Analysis
- max time kernel
93s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
13/09/2024, 01:24
Static task
static1
Behavioral task
behavioral1
Sample
6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f.js
Resource
win7-20240903-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f.js
Resource
win10v2004-20240802-en
windows10-2004-x64
13 signatures
150 seconds
General
- Target 6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f.js
- Size 711KB
- Sample240913-bsp9wsxbkd
- SHA256 6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f
- MD5 49ed597d3e71dee0ced6c17c9ecc5ee9
- SHA1 235f285825ac621f16f8fc98664a1c226f1a4d68
- SHA512 94971817ecafe3bd69ba19c68162320c6d4ed403ce5e4a5841862114b76f599e87fd8552282a466d1af69fa1fedb4767c6e2f77563181924046f4fddfa3aa4c5
- SSDEEP 12288:5YOoheqQXmtqSElhoXJ/r2tiT+059vIkd08brxp+0:5to8vhBE5/r/T+051Q+xpr
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Latrodectus 5 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/4928-45-0x000001D1DA180000-0x000001D1DA196000-memory.dmp family_latrodectus_1_4 behavioral2/memory/4928-47-0x000001D1DA180000-0x000001D1DA196000-memory.dmp family_latrodectus_1_4 behavioral2/memory/1164-51-0x0000021A5EC40000-0x0000021A5EC56000-memory.dmp family_latrodectus_1_4 behavioral2/memory/1164-52-0x0000021A5EC40000-0x0000021A5EC56000-memory.dmp family_latrodectus_1_4 behavioral2/memory/1164-53-0x0000021A5EC40000-0x0000021A5EC56000-memory.dmp family_latrodectus_1_4 - Latrodectus loader
Latrodectus is a loader written in C++.
- Executes dropped EXE 1 IoCs
pid Process 1008 MSI95DD.tmp - Loads dropped DLL 6 IoCs
pid Process 2736 MsiExec.exe 2736 MsiExec.exe 2736 MsiExec.exe 2736 MsiExec.exe 4928 rundll32.exe 1164 rundll32.exe - Blocklisted process makes network request 1 IoCs
flow pid Process 2 2488 msiexec.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) \??\H: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI9550.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI95DD.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI8BC5.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\MSI9358.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9472.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI94B1.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI94F1.tmp msiexec.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- 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 MSI95DD.tmp Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MsiExec.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2488 msiexec.exe 2488 msiexec.exe - Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 3400 wscript.exe Token: SeIncreaseQuotaPrivilege 3400 wscript.exe Token: SeSecurityPrivilege 2488 msiexec.exe Token: SeCreateTokenPrivilege 3400 wscript.exe Token: SeAssignPrimaryTokenPrivilege 3400 wscript.exe Token: SeLockMemoryPrivilege 3400 wscript.exe Token: SeIncreaseQuotaPrivilege 3400 wscript.exe Token: SeMachineAccountPrivilege 3400 wscript.exe Token: SeTcbPrivilege 3400 wscript.exe Token: SeSecurityPrivilege 3400 wscript.exe Token: SeTakeOwnershipPrivilege 3400 wscript.exe Token: SeLoadDriverPrivilege 3400 wscript.exe Token: SeSystemProfilePrivilege 3400 wscript.exe Token: SeSystemtimePrivilege 3400 wscript.exe Token: SeProfSingleProcessPrivilege 3400 wscript.exe Token: SeIncBasePriorityPrivilege 3400 wscript.exe Token: SeCreatePagefilePrivilege 3400 wscript.exe Token: SeCreatePermanentPrivilege 3400 wscript.exe Token: SeBackupPrivilege 3400 wscript.exe Token: SeRestorePrivilege 3400 wscript.exe Token: SeShutdownPrivilege 3400 wscript.exe Token: SeDebugPrivilege 3400 wscript.exe Token: SeAuditPrivilege 3400 wscript.exe Token: SeSystemEnvironmentPrivilege 3400 wscript.exe Token: SeChangeNotifyPrivilege 3400 wscript.exe Token: SeRemoteShutdownPrivilege 3400 wscript.exe Token: SeUndockPrivilege 3400 wscript.exe Token: SeSyncAgentPrivilege 3400 wscript.exe Token: SeEnableDelegationPrivilege 3400 wscript.exe Token: SeManageVolumePrivilege 3400 wscript.exe Token: SeImpersonatePrivilege 3400 wscript.exe Token: SeCreateGlobalPrivilege 3400 wscript.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe Token: SeRestorePrivilege 2488 msiexec.exe Token: SeTakeOwnershipPrivilege 2488 msiexec.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2736 2488 msiexec.exe 89 PID 2488 wrote to memory of 2736 2488 msiexec.exe 89 PID 2488 wrote to memory of 2736 2488 msiexec.exe 89 PID 2488 wrote to memory of 1008 2488 msiexec.exe 92 PID 2488 wrote to memory of 1008 2488 msiexec.exe 92 PID 2488 wrote to memory of 1008 2488 msiexec.exe 92 PID 4928 wrote to memory of 1164 4928 rundll32.exe 94 PID 4928 wrote to memory of 1164 4928 rundll32.exe 94 - 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\6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f.js1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3400
-
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:2488 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 30C92B5F8D898ACEF59336D7238A66D82⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2736
-
-
C:\Windows\Installer\MSI95DD.tmp"C:\Windows\Installer\MSI95DD.tmp" /DontWait C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Roaming\true.dll, NvPluginGetInfo2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1008
-
-
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\true.dll, NvPluginGetInfo1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_893835d6.dll", NvPluginGetInfo2⤵
- Loads dropped DLL
PID:1164
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Config.Msi\e57951e.rbs
- Size 1KB
- SHA256 518c10b9045adab4d04f5e41e3e41999d983f01d3be27ceb2d3a0031d7e071c4
- MD5 cb47d810409b8b4e94bba9b8f9dbfc67
- SHA1 a4893cb373c6640c6fab45ad938873bfe12f0fa4
- SHA512 bff3aaf66a625a54b6a2f8fd7b1fe1cfd663b9a7b4d0813081e7d271537b0b4c53e78494753ead1aec97745b0c558f92ffd2ba229cdf73366bb406d75aecf372
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\true.dll
- Size 1.8MB
- SHA256 2333dd858fc40899a1bff3fb39fbc0b4e65a864bfd4eb73c26b48aaddcca7061
- MD5 6dc0d350d735fd1acc8219cfa5d02b9b
- SHA1 7ba0708a4404715fb21a23acfbd88a25b7245ef1
- SHA512 99c9b6310363ce3a7d9ff680c4a0ae976553fc4789b12f9b60d9f629608d90cf4d64b4c8a037264f8aaa48fba69ae397236ef4c32c2eb6779fb5d9e0b3b0d52f
- SSDEEP 24576:jn6mclQ1O/p0g/9fTeVB1SATDqj2/lDRa+QR6P3r3dl60NWEEk6d:jnhclke0wfoHSASyNNFI6P3rNlHNp
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI8BC5.tmp
- Size 1.9MB
- SHA256 f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c
- MD5 c017277279dada1b9653bc6838019952
- SHA1 4d66580dade368ea823c2afc602ad3686c20d4d1
- SHA512 cd9fea4bfa73987fb95e4e15ee6fa5c489842b79f8a497ea7dd65ec355db9df6d4af786612e6d9f43e7293723a91841465368728fb1b5361716a9297008adfa2
- SSDEEP 49152:QGN3YhW8zBQSc0ZnSKBZKumZr7ANpTdzZfVSlaMBOno:3YY0Zn3K/ANPzbSlaBno
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI9358.tmp
- Size 436KB
- SHA256 426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
- MD5 475d20c0ea477a35660e3f67ecf0a1df
- SHA1 67340739f51e1134ae8f0ffc5ae9dd710e8e3a08
- SHA512 99525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
- SSDEEP 6144:5x0A4eCDsgvSd7ftYx5fnLHT7ybjfgaUFfQiAOuv2IaZeB+:5x0ECIgYOx5fnL/tYi8OBZr
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\Installer\MSI95DD.tmp
- Size 389KB
- SHA256 1e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
- MD5 b9545ed17695a32face8c3408a6a3553
- SHA1 f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
- SHA512 f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
- SSDEEP 6144:gMvZx0Flyv/UB8zBQSnuJnO6n4ZSaHwLvFnNLqrFWeyp1uBxfAOT3VDqO1:gMvZx0FlS68zBQSncb4ZPQTpAjZxqO1
- MD5 SHA1 SHA512 SSDEEP