Analysis
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max time kernel
148s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
25-04-2024 20:43
Static task
static1
Behavioral task
behavioral1
Sample
Document_a19_79b555791-28h97348k5477-3219g9.js
Resource
win7-20231129-en
windows7-x64
Behavioral task
behavioral2
Sample
Document_a19_79b555791-28h97348k5477-3219g9.js
Resource
win10v2004-20240412-en
windows10-2004-x64
General
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Target
Document_a19_79b555791-28h97348k5477-3219g9.js
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Size
468KB
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MD5
3f4ddf670c98e5b0656415286e42f730
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SHA1
cf27b8f44467cd4ab250b74caa039340ecd97a94
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SHA256
156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac
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SHA512
e180d45f626dd7e5b91d6f46077771a9884d53e1ccddf996030c4ee57fb2c25b27a5b11ad1d616a749e878493b7c705b8a49c5616da851dfe2966b3230fafa5a
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SSDEEP
12288:rZUXLSlCpRGkwMnCzan+TMYLtA/huhhs7nkKMG4p:dUXLSIpRbwMn0VTMYLtA/huhK7TrC
Malware Config
Extracted
latrodectus
https://jarinamaers.shop/live/
https://wrankaget.site/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 4 IoCs
resource yara_rule behavioral2/memory/3564-44-0x00000218003C0000-0x00000218003D4000-memory.dmp family_latrodectus_v2 behavioral2/memory/3564-49-0x00000218003C0000-0x00000218003D4000-memory.dmp family_latrodectus_v2 behavioral2/memory/4868-61-0x0000026223530000-0x0000026223544000-memory.dmp family_latrodectus_v2 behavioral2/memory/4868-62-0x0000026223530000-0x0000026223544000-memory.dmp family_latrodectus_v2 -
Blocklisted process makes network request 4 IoCs
flow pid Process 4 4372 wscript.exe 11 4372 wscript.exe 23 4372 wscript.exe 25 624 msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 508 MSI4F4F.tmp -
Loads dropped DLL 6 IoCs
pid Process 1372 MsiExec.exe 1372 MsiExec.exe 1372 MsiExec.exe 1372 MsiExec.exe 3564 rundll32.exe 4868 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) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI4C7B.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI4DC4.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI4EF0.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI4F4F.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI4120.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI4E42.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI4E82.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 624 msiexec.exe 624 msiexec.exe 508 MSI4F4F.tmp 508 MSI4F4F.tmp 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 3564 rundll32.exe 4868 rundll32.exe 4868 rundll32.exe 4868 rundll32.exe 4868 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 4372 wscript.exe Token: SeIncreaseQuotaPrivilege 4372 wscript.exe Token: SeSecurityPrivilege 624 msiexec.exe Token: SeCreateTokenPrivilege 4372 wscript.exe Token: SeAssignPrimaryTokenPrivilege 4372 wscript.exe Token: SeLockMemoryPrivilege 4372 wscript.exe Token: SeIncreaseQuotaPrivilege 4372 wscript.exe Token: SeMachineAccountPrivilege 4372 wscript.exe Token: SeTcbPrivilege 4372 wscript.exe Token: SeSecurityPrivilege 4372 wscript.exe Token: SeTakeOwnershipPrivilege 4372 wscript.exe Token: SeLoadDriverPrivilege 4372 wscript.exe Token: SeSystemProfilePrivilege 4372 wscript.exe Token: SeSystemtimePrivilege 4372 wscript.exe Token: SeProfSingleProcessPrivilege 4372 wscript.exe Token: SeIncBasePriorityPrivilege 4372 wscript.exe Token: SeCreatePagefilePrivilege 4372 wscript.exe Token: SeCreatePermanentPrivilege 4372 wscript.exe Token: SeBackupPrivilege 4372 wscript.exe Token: SeRestorePrivilege 4372 wscript.exe Token: SeShutdownPrivilege 4372 wscript.exe Token: SeDebugPrivilege 4372 wscript.exe Token: SeAuditPrivilege 4372 wscript.exe Token: SeSystemEnvironmentPrivilege 4372 wscript.exe Token: SeChangeNotifyPrivilege 4372 wscript.exe Token: SeRemoteShutdownPrivilege 4372 wscript.exe Token: SeUndockPrivilege 4372 wscript.exe Token: SeSyncAgentPrivilege 4372 wscript.exe Token: SeEnableDelegationPrivilege 4372 wscript.exe Token: SeManageVolumePrivilege 4372 wscript.exe Token: SeImpersonatePrivilege 4372 wscript.exe Token: SeCreateGlobalPrivilege 4372 wscript.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe Token: SeRestorePrivilege 624 msiexec.exe Token: SeTakeOwnershipPrivilege 624 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 624 wrote to memory of 1372 624 msiexec.exe 95 PID 624 wrote to memory of 1372 624 msiexec.exe 95 PID 624 wrote to memory of 1372 624 msiexec.exe 95 PID 624 wrote to memory of 508 624 msiexec.exe 96 PID 624 wrote to memory of 508 624 msiexec.exe 96 PID 624 wrote to memory of 508 624 msiexec.exe 96 PID 3564 wrote to memory of 4868 3564 rundll32.exe 100 PID 3564 wrote to memory of 4868 3564 rundll32.exe 100 -
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_a19_79b555791-28h97348k5477-3219g9.js1⤵
- Blocklisted process makes network request
- Suspicious use of AdjustPrivilegeToken
PID:4372
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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:624 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 6ABC5887435306F71F6CBD3224D1040E2⤵
- Loads dropped DLL
PID:1372
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C:\Windows\Installer\MSI4F4F.tmp"C:\Windows\Installer\MSI4F4F.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:508
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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:3564 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e0b1f82e.dll", homq2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4868
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD54cf513cc8f79114ae944256098b4ab72
SHA1ac9ae5c08f5b799224c12fd7b1ddaa305c8d2b0d
SHA2562c1235cb0ea7d9d987a89a1838f65dd1dceebc2e531fd731af1b1becea7f666d
SHA51295588a7ceedfb2e56b8bffa7742ddbfc9b8a788b5344e545919868583dbbe13de9c16dd2768c538985feb893db44420bb6d9e74a85017421d53f5fa5a2bc9b31
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Filesize
885KB
MD574143402c40ac2e61e9f040a2d7e2d00
SHA14053dc85bb86c47c63f96681d6a62c21cd6342a3
SHA2561625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11
SHA5124aa55b859f15be8b14c4a0ff6f3971f49b47c1c8c8427f179eb4ab0c76e321441adfd173469facb12aae1e81e25f1328fd621214b42e66f690ba4e9ee1e54cf9
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Filesize
1.5MB
MD5666151c11b7899a0c764abe711d3f9b3
SHA135462114e096f4d307607d713136bfe38479870d
SHA2568041a15e27c785f2adcce9e8c643f5cc619b52e50cd36ff043d13c4089ce1cad
SHA512835fee905d540f1e3b4d32a0645041c9add6ea488675a8ca99dbe571cfaaef5781bed8c1277dd7942be7d672945d68a1016c2ab5cb645d539e07893d69672adc
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04