Description of Campaign:
Operation
Lagtime is an email campaign distributing the
Cotx RAT malware through infected RTF Documents. The campaign exploits CVE-2018-0798, which is an older patched vulnerability.
It is believed that APT Group TA428 is behind the attacks, and the targets of the attacks are East Asian government organizations.
How to use this article:
- If a Threat Hunting table has been created, use the rules contained to search for malware related to this campaign.
- Review the product detection table and confirm that your environment is at least on the specified content version.
To download the latest content versions, go to the Security Updates page.
- Scroll down and review the "Product Countermeasures" section of this article. Consider implementing them if they are not already in place.
- Review KB91836 - Countermeasures for entry vector threats.
- Review KB87843 - Dynamic Application Containment rules and best practices.
- Review KB82925 - Identify what rule corresponds to an Adaptive Threat Protection and Threat Intelligence Exchange event.
Campaign IOC:
IOC |
Value |
IP |
217.69.8.255 |
IP |
95.179.131.29 |
IP |
95.179.131.29 |
Domain |
f1news.vzglagtime.net |
Domain |
mtanews.vzglagtime.net |
Domain |
news.vzglagtime.net |
URL |
http://amazon.abc.ann-n.jp/common/kou12_2019/ |
URL |
http://ankiroslink.rvtsmail.com/trc/sv/RT |
URL |
http://bzclk.baidu.com/adrc.php? |
URL |
http://bzclk.baidu.com/eye.php? |
URL |
http://bzclk.baidu.com/nopic.jpg? |
URL |
http://cdn9.cdnturkler.gq/ |
URL |
http://cdn9.video.az/ |
URL |
http://client.flxn1.com/asc/a3?xCorrId= |
URL |
http://daniboom.free.fr/ |
URL |
http://inmeko.vn/ |
URL |
http://jmp.apk9.cn/mp/jmp/?urlId= |
URL |
http://l.dermokozmetika.com.tr/trc/sv/RT? |
URL |
http://l.hmstatilmail.com/trc/sv/RT? |
URL |
http://l.markastok.com/trc/sv/RT? |
URL |
http://l.rvtsmail.com/trc/sv/RT? |
URL |
http://l.yolcu360.com/trc/sv/RT? |
URL |
http://l2.vipgearz.com/trc/sv/RT?H=16rjfq&R=10055189 |
URL |
http://login.nordiceasy.com/download-pdf.php?id=345125 |
URL |
http://mba.mapbar.com/ad/? |
URL |
http://mps.amap.com/ws/mps/vmap? |
URL |
http://nhaphocantho.com/ |
URL |
http://practicedomain.com/rowan/fight%20program/ |
URL |
http://rosaehijas.com.ar/ |
URL |
http://skylotec-france.com/ |
URL |
http://sports-portal.opera.globalsportsmedia.com/favicon.ico |
URL |
http://trac.i3.dmm.com/ |
URL |
http://vipgearz.rvtsmail.com/trc/sv/RT? |
Campaign IOC (Continued)
IOC |
Value |
URL |
http://vipgearzlink.rvtsmail.com/trc/sv/RT? |
URL |
http://www.ruralvia.com/correoe/Imagen? |
URL |
https://affiliation.generation.fr/Telechargement.ashx? |
URL |
https://bestellen.bayern.de/application/applstarter? |
URL |
https://geoapp.life-ranger.jp/MyCarNavi_iPhone_1009/getservice.aspx? |
URL |
https://hiddenrivertownhomes.securecafe.com/ResidentCafeHandler.ashx |
URL |
https://huhousing-harvard.securecafe.com/onlineleasing/rcformsave.ashx |
URL |
https://secure.flxn1.com/asc/a3? |
URL |
https://trac.i3.dmm.com/ |
URL |
https://trac.i3.r18.com/ |
URL |
https://uippropertymanagement.securecafe.com/onlineleasing/rcformsave.ashx |
URL |
https://www.highgroveatbigbend.com/rcformsave.ashx |
MD5 |
183d04fbd11553b2d650303a9118e294 |
MD5 |
1ad16f26272b2148f2969538f40b0b5a |
MD5 |
1fd7a38b452cfcedbe26bee721a659c0 |
MD5 |
2868447eebdf897bdd6b7ce2a18f4609 |
MD5 |
390e2f852b8211ab0c5c67d76d9936ce |
MD5 |
4205946badb9ab91b6d886cd90029763 |
MD5 |
50f165277bcd9bc986bcd535cc0d698e |
MD5 |
51ccb399bcb25aa76cef062615028029 |
MD5 |
54505478f5f2f4cb759177c1d9f69ea1 |
MD5 |
574235456f8737e91d1a2201b81f6264 |
MD5 |
588d89d69cdc614004f8a9895c868498 |
MD5 |
59891d3679de1d7d295353e454d579a3 |
MD5 |
6d16bc5686f8f357cce6af0388280911 |
MD5 |
7cbd6f7662cc2f33e9647c272d0ac534 |
MD5 |
7e71bae75c25dd6297799ceef4db37ea |
MD5 |
7f899c213c044e0ede824d58cbe6709e |
MD5 |
9de35edb5da909b84d2b4f1176a835b6 |
MD5 |
a5a4046989fa0f99c2076aec3ea0ab2a |
MD5 |
b8ae7df96f2b3f0af5f207340ff94a9c |
MD5 |
ba46bdaa5accee5deca8bd34c5aad55e |
MD5 |
d9869e7621292cccee18a9fa510b6773 |
MD5 |
db8b21ca3e409dab10229b2a6f9dbfdd |
MD5 |
ea00c190c1f8b328a6ca2ede23e11fbc |
MD5 |
ea5d9bb659f5f38ade8183b2647f368f |
MD5 |
f2b890ceba5fd3c100067b42243ec26e |
MD5 |
f2d02e1fde6eadfe1429eeebe99c6c95 |
Minimum Content Version:
Content type |
Version |
V2 DAT (VirusScan Enterprise) |
9372 |
V3 DAT (Endpoint Security) |
3823 |
Detection Summary:
IOC |
Scanner |
Detection |
183d04fbd11553b2d650303a9118e294 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
1ad16f26272b2148f2969538f40b0b5a |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
1fd7a38b452cfcedbe26bee721a659c0 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
2868447eebdf897bdd6b7ce2a18f4609 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
390e2f852b8211ab0c5c67d76d9936ce |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
4205946badb9ab91b6d886cd90029763 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
Real Protect-LS |
IOC |
Scanner |
Detection |
50f165277bcd9bc986bcd535cc0d698e |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
51ccb399bcb25aa76cef062615028029 |
AVEngine V2 |
Trojan-Lagtime!data |
AVEngine V3 |
Trojan-Lagtime!data |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
54505478f5f2f4cb759177c1d9f69ea1 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
574235456f8737e91d1a2201b81f6264 |
AVEngine V2 |
Trojan-Lagtime!data |
AVEngine V3 |
Trojan-Lagtime!data |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
588d89d69cdc614004f8a9895c868498 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
59891d3679de1d7d295353e454d579a3 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
6d16bc5686f8f357cce6af0388280911 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
7cbd6f7662cc2f33e9647c272d0ac534 |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
7f899c213c044e0ede824d58cbe6709e |
AVEngine V2 |
Trojan-Lagtime |
AVEngine V3 |
Trojan-Lagtime |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
9de35edb5da909b84d2b4f1176a835b6 |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
a5a4046989fa0f99c2076aec3ea0ab2a |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
b8ae7df96f2b3f0af5f207340ff94a9c |
AVEngine V2 |
Trojan-Lagtime!data |
AVEngine V3 |
Trojan-Lagtime!data |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
ba46bdaa5accee5deca8bd34c5aad55e |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
Real Protect-LS |
IOC |
Scanner |
Detection |
d9869e7621292cccee18a9fa510b6773 |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
db8b21ca3e409dab10229b2a6f9dbfdd |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
ea00c190c1f8b328a6ca2ede23e11fbc |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
Real Protect-LS |
IOC |
Scanner |
Detection |
ea5d9bb659f5f38ade8183b2647f368f |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
IOC |
Scanner |
Detection |
f2d02e1fde6eadfe1429eeebe99c6c95 |
AVEngine V2 |
Trojan-Lagtime.a |
AVEngine V3 |
Trojan-Lagtime.a |
JTI (ATP Rules) |
- |
RP Static |
- |
RP Dynamic |
- |
Minimum set of Manual Rules to improve protection to block this campaign
IMPORTANT: When you implement new rules or signatures, always first set them to Report mode before setting them to Block.
Mitigate against triggering false positives when enabling new rules and signatures by always following best practices. For best practices for Endpoint Security Dynamic Application Containment rules, see:
KB87843 - Dynamic Application Containment rules and best practices.
Endpoint Security - Access Protection Custom Rules:
Rule: 1
Executables (Include): *
Subrules:
Subrule Type: Files
Operations: Create
Targets (Include):
?:\users\*\appdata\local\temp\tmp000.exe
Endpoint Security - Advanced Threat Protection:
Rule ID: 2 Use Enterprise file reputation to identify trusted or malicious files
Endpoint Security - Dynamic Application Containment:
Executing any child process
Modifying the Services registry location
Creating a thread in another process
Writing to another process' memory
Reading from another process' memory
Closing another process
Allocating memory in another process
Suspending a process
Endpoint Security - Exploit Prevention:
Rule ID: 344 New Startup Program Creation
VirusScan Enterprise - Access Protection Custom Rules:
Rule: 1
Rule Type: File
Process to include: *
File or folder name to block: *\users\*\appdata\local\temp\tmp000.exe
File actions to prevent: Create
Host Intrusion Prevention:
Rule ID: 344 New Startup Program Creation
Aggressive set of Manual Rules to improve protection to block this campaign
IMPORTANT: When you implement new rules or signatures, always first set them to Report mode before setting them to Block.
Mitigate against triggering false positives when enabling new rules and signatures by always following best practices. For best practices for Endpoint Security Dynamic Application Containment rules, see:
KB87843 - Dynamic Application Containment rules and best practices.
Endpoint Security - Access Protection Rules:
Registering of programs to autorun
Host Intrusion Prevention:
Rule ID: 6010 Generic Application Hooking Protection
Rule ID: 6011 Generic Application Invocation Protection
Rule ID: 2806 Attempt to create a hard link to a file
Virusscan Enterprise - Access Protection Rules:
Prevent programs registering to autorun
Virusscan Enterprise - Access Protection Rules:
Block read and write access to all shares