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Analysis
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max time kernel
662s -
max time network
1135s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
submitted
17/09/2024, 17:19
Static task
static1
Behavioral task
behavioral1
Sample
Document-09-46-15.js
Resource
win10v2004-20240802-en
Behavioral task
behavioral2
Sample
Document-09-46-15.js
Resource
win11-20240802-en
General
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Target
Document-09-46-15.js
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Size
1.3MB
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MD5
e2d9ca6364ff2314bfbcc263d7fea8fd
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SHA1
c4c38c618cdb1663569606e06f64975ee1b37793
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SHA256
9f5ae302ea1ed87c64e26390eb6f2a90593b3049aaa1292d495d4f93ac9b2d98
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SHA512
7e7e28b421e1889762ce6abd40b89ec2ad971b909065aa90d7a95da5a992a70df53aa75d41e24a48b7feb3dc87ab7b6d8223adf9e583d4e96e256ae66509057d
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SSDEEP
24576:cQmj6HVNI/sE6lxMkY4Nd5NL4PcTwZP7n3lGIUpeu2GE:cQmj6HVe/D6lxMkY4Nd5NLicTQPz3lGo
Malware Config
Extracted
latrodectus
https://isomicrotich.com/test/
https://rilomenifis.com/test/
Signatures
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Detects Latrodectus 4 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/992-45-0x000001D37CDF0000-0x000001D37CE06000-memory.dmp family_latrodectus_1_4 behavioral2/memory/992-47-0x000001D37CDF0000-0x000001D37CE06000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3612-51-0x000001377F360000-0x000001377F376000-memory.dmp family_latrodectus_1_4 behavioral2/memory/3612-52-0x000001377F360000-0x000001377F376000-memory.dmp family_latrodectus_1_4 -
Latrodectus family
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Latrodectus loader
Latrodectus is a loader written in C++.
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Blocklisted process makes network request 5 IoCs
flow pid Process 1 1508 msiexec.exe 6 3612 rundll32.exe 8 3612 rundll32.exe 18 3612 rundll32.exe 19 3612 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 468 MSI485.tmp -
Loads dropped DLL 6 IoCs
pid Process 4492 MsiExec.exe 4492 MsiExec.exe 4492 MsiExec.exe 4492 MsiExec.exe 992 rundll32.exe 3612 rundll32.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe -
Drops file in Windows directory 13 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI3C7.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\SystemTemp\~DF41569B3DBDD26099.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSIF889.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI27D.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI378.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI3E7.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\SystemTemp\~DFF0DD9B09F5835289.TMP msiexec.exe File opened for modification C:\Windows\Installer\MSI417.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI485.tmp msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File created C:\Windows\SystemTemp\~DF1FD82A00882BCCED.TMP msiexec.exe -
Command and Scripting Interpreter: JavaScript 1 TTPs
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MSI485.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1508 msiexec.exe 1508 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 872 wscript.exe Token: SeIncreaseQuotaPrivilege 872 wscript.exe Token: SeSecurityPrivilege 1508 msiexec.exe Token: SeCreateTokenPrivilege 872 wscript.exe Token: SeAssignPrimaryTokenPrivilege 872 wscript.exe Token: SeLockMemoryPrivilege 872 wscript.exe Token: SeIncreaseQuotaPrivilege 872 wscript.exe Token: SeMachineAccountPrivilege 872 wscript.exe Token: SeTcbPrivilege 872 wscript.exe Token: SeSecurityPrivilege 872 wscript.exe Token: SeTakeOwnershipPrivilege 872 wscript.exe Token: SeLoadDriverPrivilege 872 wscript.exe Token: SeSystemProfilePrivilege 872 wscript.exe Token: SeSystemtimePrivilege 872 wscript.exe Token: SeProfSingleProcessPrivilege 872 wscript.exe Token: SeIncBasePriorityPrivilege 872 wscript.exe Token: SeCreatePagefilePrivilege 872 wscript.exe Token: SeCreatePermanentPrivilege 872 wscript.exe Token: SeBackupPrivilege 872 wscript.exe Token: SeRestorePrivilege 872 wscript.exe Token: SeShutdownPrivilege 872 wscript.exe Token: SeDebugPrivilege 872 wscript.exe Token: SeAuditPrivilege 872 wscript.exe Token: SeSystemEnvironmentPrivilege 872 wscript.exe Token: SeChangeNotifyPrivilege 872 wscript.exe Token: SeRemoteShutdownPrivilege 872 wscript.exe Token: SeUndockPrivilege 872 wscript.exe Token: SeSyncAgentPrivilege 872 wscript.exe Token: SeEnableDelegationPrivilege 872 wscript.exe Token: SeManageVolumePrivilege 872 wscript.exe Token: SeImpersonatePrivilege 872 wscript.exe Token: SeCreateGlobalPrivilege 872 wscript.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe Token: SeRestorePrivilege 1508 msiexec.exe Token: SeTakeOwnershipPrivilege 1508 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1508 wrote to memory of 4492 1508 msiexec.exe 82 PID 1508 wrote to memory of 4492 1508 msiexec.exe 82 PID 1508 wrote to memory of 4492 1508 msiexec.exe 82 PID 1508 wrote to memory of 468 1508 msiexec.exe 83 PID 1508 wrote to memory of 468 1508 msiexec.exe 83 PID 1508 wrote to memory of 468 1508 msiexec.exe 83 PID 992 wrote to memory of 3612 992 rundll32.exe 85 PID 992 wrote to memory of 3612 992 rundll32.exe 85 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Document-09-46-15.js1⤵
- Suspicious use of AdjustPrivilegeToken
PID:872
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding BC5C5A413ED2F10BEE24A4BB341522A42⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4492
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C:\Windows\Installer\MSI485.tmp"C:\Windows\Installer\MSI485.tmp" /DontWait C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\rozelin.dll, Host2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:468
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\rozelin.dll, Host1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:992 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_c20715f6.dll", Host2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:3612
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5fcacc938ad10a47732f152f9bea54fd9
SHA162ff4b2bf61d2338d02898dc0e9684faa23e3f4e
SHA256cebd36caadb6183c87ed362e1a3b77419e4ebd868975b09a1c00d1638eeea97c
SHA512034a535a536927e2afdec57fa988649bcd2edfbcfc46e6813db0493ad55cb3d10d95aa098f7c43d559862af89c0fd7e184515827d83c964187346e33d7acea57
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Filesize
1.5MB
MD5f9bb8819674b780198ec05761a3ed0d6
SHA14c61542d76a0107eb80a950c33cd9bd5029a9b32
SHA2563af3c1b6c72f09371c9975eb0914c5b187ba363c0cddf8164d14a0b7c1fcb5dc
SHA5127b636446567b453c37a28b904d9f716a2aaff54676270760702995efdb521a10ae5f1a9254529eadc092b678a3b99e59efaec444f7f923d8e213298ae48f4fdc
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
1.8MB
MD5b1c0657b678a8e3f320476ef4ba6dfd2
SHA1883a69c2aa664a783b416ec44506aad9d03832d5
SHA25624746dfb4ac476772d7a1e936b714b9f0df30612395e4d8e7f31a2c43983bc55
SHA51289059e8f6ae5039cdac24e64cd3b3805691121963f395faee41fb1d8799134ae8ae5ba5f90fd29aec9e6625a4041fd7c2f70185167bf3bb85d4ddad8ab8a383a