Analysis
- 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
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
Document_a19_79b555791-28h97348k5477-3219g9.js
Resource
win10v2004-20240412-en
windows10-2004-x64
11 signatures
150 seconds
General
- Target Document_a19_79b555791-28h97348k5477-3219g9.js
- Size 468KB
- Sample240425-zh16eaee2v
- SHA256 156c0afc01a5e346b95ebdb60cea9b7046ad7a61199cd63d6ad0f4ae32a576ac
- MD5 3f4ddf670c98e5b0656415286e42f730
- SHA1 cf27b8f44467cd4ab250b74caa039340ecd97a94
- SHA512 e180d45f626dd7e5b91d6f46077771a9884d53e1ccddf996030c4ee57fb2c25b27a5b11ad1d616a749e878493b7c705b8a49c5616da851dfe2966b3230fafa5a
- SSDEEP 12288:rZUXLSlCpRGkwMnCzan+TMYLtA/huhhs7nkKMG4p:dUXLSIpRbwMn0VTMYLtA/huhK7TrC
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
latrodectus
C2
-
https://jarinamaers.shop/live/
-
https://wrankaget.site/live/
Signatures
- Latrodectus loader
Latrodectus is a loader written in C++.
- 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
-
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
-
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
-
-
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
-
-
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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Config.Msi\e574e9f.rbs
- Size 1KB
- SHA256 2c1235cb0ea7d9d987a89a1838f65dd1dceebc2e531fd731af1b1becea7f666d
- MD5 4cf513cc8f79114ae944256098b4ab72
- SHA1 ac9ae5c08f5b799224c12fd7b1ddaa305c8d2b0d
- SHA512 95588a7ceedfb2e56b8bffa7742ddbfc9b8a788b5344e545919868583dbbe13de9c16dd2768c538985feb893db44420bb6d9e74a85017421d53f5fa5a2bc9b31
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\sharepoint\360total.dll
- Size 885KB
- SHA256 1625ac230aa5ca950573f3ba0b1a7bd4c7fbd3e3686f9ecd4a40f1504bf33a11
- MD5 74143402c40ac2e61e9f040a2d7e2d00
- SHA1 4053dc85bb86c47c63f96681d6a62c21cd6342a3
- SHA512 4aa55b859f15be8b14c4a0ff6f3971f49b47c1c8c8427f179eb4ab0c76e321441adfd173469facb12aae1e81e25f1328fd621214b42e66f690ba4e9ee1e54cf9
- SSDEEP 12288:gfPSAAUHV4fZUv/TrguVTax7hNRu18VA8JFoxMk/wYeDKDMyAmp:qPSAAUHV4fZUvfgmaxpu1F8J6xMYHMBS
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI4120.tmp
- Size 1.5MB
- SHA256 8041a15e27c785f2adcce9e8c643f5cc619b52e50cd36ff043d13c4089ce1cad
- MD5 666151c11b7899a0c764abe711d3f9b3
- SHA1 35462114e096f4d307607d713136bfe38479870d
- SHA512 835fee905d540f1e3b4d32a0645041c9add6ea488675a8ca99dbe571cfaaef5781bed8c1277dd7942be7d672945d68a1016c2ab5cb645d539e07893d69672adc
- SSDEEP 49152:QZH3YuW8zBQSc0ZnSKmZKumZr7A2BQTBG:+Y90Zn0K/A2OF
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI4C7B.tmp
- Size 436KB
- SHA256 426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
- MD5 475d20c0ea477a35660e3f67ecf0a1df
- SHA1 67340739f51e1134ae8f0ffc5ae9dd710e8e3a08
- SHA512 99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
- SSDEEP 6144:5x0A4eCDsgvSd7ftYx5fnLHT7ybjfgaUFfQiAOuv2IaZeB+:5x0ECIgYOx5fnL/tYi8OBZr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI4F4F.tmp
- Size 389KB
- SHA256 1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
- MD5 b9545ed17695a32face8c3408a6a3553
- SHA1 f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
- SHA512 f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
- SSDEEP 6144:gMvZx0Flyv/UB8zBQSnuJnO6n4ZSaHwLvFnNLqrFWeyp1uBxfAOT3VDqO1:gMvZx0FlS68zBQSncb4ZPQTpAjZxqO1
- MD5 SHA1 SHA512 SSDEEP