Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
26-04-2024 21:13
Static task
static1
Behavioral task
behavioral1
Sample
Document_a51_19i793302-14b09981a5569-3684u8.js
Resource
win7-20240221-en
windows7-x64
Behavioral task
behavioral2
Sample
Document_a51_19i793302-14b09981a5569-3684u8.js
Resource
win10v2004-20240426-en
windows10-2004-x64
General
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Target
Document_a51_19i793302-14b09981a5569-3684u8.js
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Size
466KB
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MD5
b5c04c9ce0a3da2e16e97632e13b5e28
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SHA1
00303f1b540e92a79488fd9b603c5e987cee3734
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SHA256
71a429fdbaa04f8eee80c05b123ba00635569801ca041fdc7c6ac41de8aa72d3
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SHA512
1bad3ec4b845e9592ee7d9c2f29aaf29f7a5d7c0cc84ba33333ea234a07591cc9064ef8245ff46dd1227f268cbb90891d9c53986f8eb1b4eb8d105de2d7e5939
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SSDEEP
6144:ertlgAdYLGKbxpEZE87yi6GtyAjI1p7ZJpO4S+gh0fNUNGndjIz5dYYku+JTiFye:ElCaExOSFky6+gO1/ne5dY/W6ItoepF
Malware Config
Extracted
latrodectus
https://jarinamaers.shop/live/
https://startmast.shop/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 1 IoCs
resource yara_rule behavioral2/memory/4152-55-0x0000017F48D20000-0x0000017F48D34000-memory.dmp family_latrodectus_v2 -
Blocklisted process makes network request 3 IoCs
flow pid Process 2 3252 wscript.exe 4 3252 wscript.exe 11 4216 msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 3956 MSI4358.tmp -
Loads dropped DLL 6 IoCs
pid Process 1152 MsiExec.exe 1152 MsiExec.exe 1152 MsiExec.exe 1152 MsiExec.exe 4112 rundll32.exe 4152 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) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI3B73.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI428A.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI429B.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI4358.tmp msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSI419E.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI4279.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI4309.tmp msiexec.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 4216 msiexec.exe 4216 msiexec.exe 3956 MSI4358.tmp 3956 MSI4358.tmp 4112 rundll32.exe 4112 rundll32.exe 4112 rundll32.exe 4112 rundll32.exe 4152 rundll32.exe 4152 rundll32.exe 4152 rundll32.exe 4152 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 3252 wscript.exe Token: SeIncreaseQuotaPrivilege 3252 wscript.exe Token: SeSecurityPrivilege 4216 msiexec.exe Token: SeCreateTokenPrivilege 3252 wscript.exe Token: SeAssignPrimaryTokenPrivilege 3252 wscript.exe Token: SeLockMemoryPrivilege 3252 wscript.exe Token: SeIncreaseQuotaPrivilege 3252 wscript.exe Token: SeMachineAccountPrivilege 3252 wscript.exe Token: SeTcbPrivilege 3252 wscript.exe Token: SeSecurityPrivilege 3252 wscript.exe Token: SeTakeOwnershipPrivilege 3252 wscript.exe Token: SeLoadDriverPrivilege 3252 wscript.exe Token: SeSystemProfilePrivilege 3252 wscript.exe Token: SeSystemtimePrivilege 3252 wscript.exe Token: SeProfSingleProcessPrivilege 3252 wscript.exe Token: SeIncBasePriorityPrivilege 3252 wscript.exe Token: SeCreatePagefilePrivilege 3252 wscript.exe Token: SeCreatePermanentPrivilege 3252 wscript.exe Token: SeBackupPrivilege 3252 wscript.exe Token: SeRestorePrivilege 3252 wscript.exe Token: SeShutdownPrivilege 3252 wscript.exe Token: SeDebugPrivilege 3252 wscript.exe Token: SeAuditPrivilege 3252 wscript.exe Token: SeSystemEnvironmentPrivilege 3252 wscript.exe Token: SeChangeNotifyPrivilege 3252 wscript.exe Token: SeRemoteShutdownPrivilege 3252 wscript.exe Token: SeUndockPrivilege 3252 wscript.exe Token: SeSyncAgentPrivilege 3252 wscript.exe Token: SeEnableDelegationPrivilege 3252 wscript.exe Token: SeManageVolumePrivilege 3252 wscript.exe Token: SeImpersonatePrivilege 3252 wscript.exe Token: SeCreateGlobalPrivilege 3252 wscript.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe Token: SeRestorePrivilege 4216 msiexec.exe Token: SeTakeOwnershipPrivilege 4216 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4216 wrote to memory of 1152 4216 msiexec.exe 85 PID 4216 wrote to memory of 1152 4216 msiexec.exe 85 PID 4216 wrote to memory of 1152 4216 msiexec.exe 85 PID 4216 wrote to memory of 3956 4216 msiexec.exe 86 PID 4216 wrote to memory of 3956 4216 msiexec.exe 86 PID 4216 wrote to memory of 3956 4216 msiexec.exe 86 PID 4112 wrote to memory of 4152 4112 rundll32.exe 88 PID 4112 wrote to memory of 4152 4112 rundll32.exe 88 -
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_a51_19i793302-14b09981a5569-3684u8.js1⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:3252
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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:4216 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 8BA857C7518BB5EF7E00807E218D8E5C2⤵
- Loads dropped DLL
PID:1152
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C:\Windows\Installer\MSI4358.tmp"C:\Windows\Installer\MSI4358.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:3956
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4112 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e17ea67f.dll", homq2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4152
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD52bf0284b1c67fb4876ce6257596cd569
SHA1d331e17a11e729c8538d6eeeb36ff6dccda45926
SHA256556c616129523b6f31e5e4d80ed0cc57ae183b58f6db788095f191294931790a
SHA512ad24842fba42f9fa4f67aedc07d29fc91e70da703dbcf03c7ffcb71915905f3f3957cf39e968b4e850c12ff562984b9157b5e19369c30a5f0f9d8d3e395021de
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Filesize
885KB
MD5bd3a3714ee9a071ebeb59ac91d9ebb5a
SHA155110a221f20a4ceec34c58d0179fa31f8c102e9
SHA2564cf2b612939359977df51a32d2f63e2cb0c6c601e114b8e4812bd548d1db85fe
SHA5127244220f29057339c99a22c20268187ba6f6681251f4ce4f305ad22dc030f6078b4f298ef10ad392dc5d036c41c7b8c28c2bd997ea39ef7ab023cb9b5c946dc8
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Filesize
1.5MB
MD537605a3eb80f3366e56938031a9ac917
SHA10582a0dd69d6027fb94765254ed91ad736ade305
SHA2564e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
SHA512772bb5538f5af14146d9bcf8d8c29a70860ecdf84b4af6cc99dae7589f60847ca7cb87b068bd2aa86f620e79d394c223b96c9fe95fe390e8a9c8422282f5b405
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04