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Analysis
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max time kernel
233s -
max time network
205s -
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, 03:45
Static task
static1
Behavioral task
behavioral1
Sample
13092024_0345_Document-03-42-37.js
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
13092024_0345_Document-03-42-37.js
Resource
win10v2004-20240802-en
General
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Target
13092024_0345_Document-03-42-37.js
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Size
714KB
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MD5
14e41235ec85f0c8f799918c9c8ecb78
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SHA1
3b990c3b582a100bd01918c102d26ad6d90099d7
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SHA256
2ff4229d9798583e7414289a26b602328043a2a7c9e7b97eab5c13cfeb59c6e7
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SHA512
318d1b10d81b1f13eee6b7b5218d843c0ea8bbc7b7e1dfb307f1f4a36d1cc6e4087d40227bd7455ab8a2d9832e91e926a9ae1823242500fe81af62270a7e281d
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SSDEEP
12288:vRXy35hJjZ7gyVIxB+wnTTfjqag4Pmbh89s2U8Hmr:pG5hbnVY9H7gzm9w8Gr
Malware Config
Signatures
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Detects Latrodectus 5 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral2/memory/392-45-0x0000020982F10000-0x0000020982F26000-memory.dmp family_latrodectus_1_4 behavioral2/memory/392-47-0x0000020982F10000-0x0000020982F26000-memory.dmp family_latrodectus_1_4 behavioral2/memory/4344-51-0x00000196E4CC0000-0x00000196E4CD6000-memory.dmp family_latrodectus_1_4 behavioral2/memory/4344-52-0x00000196E4CC0000-0x00000196E4CD6000-memory.dmp family_latrodectus_1_4 behavioral2/memory/4344-53-0x00000196E4CC0000-0x00000196E4CD6000-memory.dmp family_latrodectus_1_4 -
Latrodectus loader
Latrodectus is a loader written in C++.
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Blocklisted process makes network request 3 IoCs
flow pid Process 3 1624 msiexec.exe 43 4344 rundll32.exe 45 4344 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 3932 MSI9B7B.tmp -
Loads dropped DLL 7 IoCs
pid Process 3464 MsiExec.exe 3464 MsiExec.exe 3464 MsiExec.exe 3464 MsiExec.exe 392 rundll32.exe 4344 rundll32.exe 4640 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) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\I: 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) \??\U: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: 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) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI9B7B.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI902A.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9849.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI99F1.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\Microsoft.NET\Framework64\v4.0.30319\ngen.log msiexec.exe File opened for modification C:\Windows\Installer\MSI9983.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9A11.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI9A60.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 MSI9B7B.tmp -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1624 msiexec.exe 1624 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 50 IoCs
description pid Process Token: SeShutdownPrivilege 2380 wscript.exe Token: SeIncreaseQuotaPrivilege 2380 wscript.exe Token: SeSecurityPrivilege 1624 msiexec.exe Token: SeCreateTokenPrivilege 2380 wscript.exe Token: SeAssignPrimaryTokenPrivilege 2380 wscript.exe Token: SeLockMemoryPrivilege 2380 wscript.exe Token: SeIncreaseQuotaPrivilege 2380 wscript.exe Token: SeMachineAccountPrivilege 2380 wscript.exe Token: SeTcbPrivilege 2380 wscript.exe Token: SeSecurityPrivilege 2380 wscript.exe Token: SeTakeOwnershipPrivilege 2380 wscript.exe Token: SeLoadDriverPrivilege 2380 wscript.exe Token: SeSystemProfilePrivilege 2380 wscript.exe Token: SeSystemtimePrivilege 2380 wscript.exe Token: SeProfSingleProcessPrivilege 2380 wscript.exe Token: SeIncBasePriorityPrivilege 2380 wscript.exe Token: SeCreatePagefilePrivilege 2380 wscript.exe Token: SeCreatePermanentPrivilege 2380 wscript.exe Token: SeBackupPrivilege 2380 wscript.exe Token: SeRestorePrivilege 2380 wscript.exe Token: SeShutdownPrivilege 2380 wscript.exe Token: SeDebugPrivilege 2380 wscript.exe Token: SeAuditPrivilege 2380 wscript.exe Token: SeSystemEnvironmentPrivilege 2380 wscript.exe Token: SeChangeNotifyPrivilege 2380 wscript.exe Token: SeRemoteShutdownPrivilege 2380 wscript.exe Token: SeUndockPrivilege 2380 wscript.exe Token: SeSyncAgentPrivilege 2380 wscript.exe Token: SeEnableDelegationPrivilege 2380 wscript.exe Token: SeManageVolumePrivilege 2380 wscript.exe Token: SeImpersonatePrivilege 2380 wscript.exe Token: SeCreateGlobalPrivilege 2380 wscript.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe Token: SeRestorePrivilege 1624 msiexec.exe Token: SeTakeOwnershipPrivilege 1624 msiexec.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1624 wrote to memory of 3464 1624 msiexec.exe 89 PID 1624 wrote to memory of 3464 1624 msiexec.exe 89 PID 1624 wrote to memory of 3464 1624 msiexec.exe 89 PID 1624 wrote to memory of 3932 1624 msiexec.exe 92 PID 1624 wrote to memory of 3932 1624 msiexec.exe 92 PID 1624 wrote to memory of 3932 1624 msiexec.exe 92 PID 392 wrote to memory of 4344 392 rundll32.exe 96 PID 392 wrote to memory of 4344 392 rundll32.exe 96 -
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\13092024_0345_Document-03-42-37.js1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2380
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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:1624 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 81A1273E059B100725DDACE4BCC165B42⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3464
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C:\Windows\Installer\MSI9B7B.tmp"C:\Windows\Installer\MSI9B7B.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:3932
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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:392 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bba8ec5.dll", NvPluginGetInfo2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:4344
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_2bba8ec5.dll", NvPluginGetInfo1⤵
- Loads dropped DLL
PID:4640
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD54afc907a4e88692f333a1f0cf0d32476
SHA19873bfd4a2fe336ddba14204cd822bd670bcf2cf
SHA2563c26404f43058193b6a7bc1b206f453743e11849aa77f86bb4309ed451363ec0
SHA5123126054c8182358d0fa57777cee11aeea61f5f568f26abe910e166b664db5cf7b327491328a47595d52f76f21b4942f8c79dc96eee49cfa01a20ba9bb9b6d54f
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Filesize
1.8MB
MD56dc0d350d735fd1acc8219cfa5d02b9b
SHA17ba0708a4404715fb21a23acfbd88a25b7245ef1
SHA2562333dd858fc40899a1bff3fb39fbc0b4e65a864bfd4eb73c26b48aaddcca7061
SHA51299c9b6310363ce3a7d9ff680c4a0ae976553fc4789b12f9b60d9f629608d90cf4d64b4c8a037264f8aaa48fba69ae397236ef4c32c2eb6779fb5d9e0b3b0d52f
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Filesize
1.9MB
MD5c017277279dada1b9653bc6838019952
SHA14d66580dade368ea823c2afc602ad3686c20d4d1
SHA256f60c7e2cd7078584e1fb2eacd6270c314f1e23f76a4cd78c5d13eec215f0e41c
SHA512cd9fea4bfa73987fb95e4e15ee6fa5c489842b79f8a497ea7dd65ec355db9df6d4af786612e6d9f43e7293723a91841465368728fb1b5361716a9297008adfa2
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04