Analysis
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max time kernel
85s -
max time network
85s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13/09/2024, 06:14
Static task
static1
Behavioral task
behavioral1
Sample
130920240345Document034237.js
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
130920240345Document034237.js
Resource
win10v2004-20240802-en
windows10-2004-x64
General
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Target
130920240345Document034237.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 4 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral1/memory/2280-45-0x0000000001DA0000-0x0000000001DB6000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2280-46-0x0000000001DA0000-0x0000000001DB6000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2340-55-0x00000000001C0000-0x00000000001D6000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2340-54-0x00000000001C0000-0x00000000001D6000-memory.dmp family_latrodectus_1_4 -
Latrodectus loader
Latrodectus is a loader written in C++.
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Executes dropped EXE 1 IoCs
pid Process 2264 MSI65DB.tmp -
Loads dropped DLL 11 IoCs
pid Process 2660 MsiExec.exe 2660 MsiExec.exe 2660 MsiExec.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2280 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 2 2800 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) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe -
Drops file in Windows directory 9 IoCs
description ioc Process File created C:\Windows\Installer\f776451.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI65DB.tmp msiexec.exe File opened for modification C:\Windows\Installer\f776451.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI5976.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI63A5.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI63F4.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI62D9.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI659A.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 MSI65DB.tmp -
Modifies data under HKEY_USERS 1 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad msiexec.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2800 msiexec.exe 2800 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeShutdownPrivilege 880 wscript.exe Token: SeIncreaseQuotaPrivilege 880 wscript.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeSecurityPrivilege 2800 msiexec.exe Token: SeCreateTokenPrivilege 880 wscript.exe Token: SeAssignPrimaryTokenPrivilege 880 wscript.exe Token: SeLockMemoryPrivilege 880 wscript.exe Token: SeIncreaseQuotaPrivilege 880 wscript.exe Token: SeMachineAccountPrivilege 880 wscript.exe Token: SeTcbPrivilege 880 wscript.exe Token: SeSecurityPrivilege 880 wscript.exe Token: SeTakeOwnershipPrivilege 880 wscript.exe Token: SeLoadDriverPrivilege 880 wscript.exe Token: SeSystemProfilePrivilege 880 wscript.exe Token: SeSystemtimePrivilege 880 wscript.exe Token: SeProfSingleProcessPrivilege 880 wscript.exe Token: SeIncBasePriorityPrivilege 880 wscript.exe Token: SeCreatePagefilePrivilege 880 wscript.exe Token: SeCreatePermanentPrivilege 880 wscript.exe Token: SeBackupPrivilege 880 wscript.exe Token: SeRestorePrivilege 880 wscript.exe Token: SeShutdownPrivilege 880 wscript.exe Token: SeDebugPrivilege 880 wscript.exe Token: SeAuditPrivilege 880 wscript.exe Token: SeSystemEnvironmentPrivilege 880 wscript.exe Token: SeChangeNotifyPrivilege 880 wscript.exe Token: SeRemoteShutdownPrivilege 880 wscript.exe Token: SeUndockPrivilege 880 wscript.exe Token: SeSyncAgentPrivilege 880 wscript.exe Token: SeEnableDelegationPrivilege 880 wscript.exe Token: SeManageVolumePrivilege 880 wscript.exe Token: SeImpersonatePrivilege 880 wscript.exe Token: SeCreateGlobalPrivilege 880 wscript.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe Token: SeRestorePrivilege 2800 msiexec.exe Token: SeTakeOwnershipPrivilege 2800 msiexec.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2660 2800 msiexec.exe 31 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2800 wrote to memory of 2264 2800 msiexec.exe 32 PID 2280 wrote to memory of 2340 2280 rundll32.exe 34 PID 2280 wrote to memory of 2340 2280 rundll32.exe 34 PID 2280 wrote to memory of 2340 2280 rundll32.exe 34 -
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\130920240345Document034237.js1⤵
- Suspicious use of AdjustPrivilegeToken
PID:880
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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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding E9DD8559178CCE4E9F154274E98ADFC12⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2660
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C:\Windows\Installer\MSI65DB.tmp"C:\Windows\Installer\MSI65DB.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:2264
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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:2280 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e49fa73.dll", NvPluginGetInfo2⤵
- Loads dropped DLL
PID:2340
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5c0cafe2af9ab8081e5f17962907fa3f9
SHA1ae5b27b375a7c9c306ff9162e53c4e8cbe13a29e
SHA256e3309557852aa4f17ea51b41c14db550e16decb8b456746523770f26fdbf4db9
SHA51257b400d16121c4b9b3ce8d3e4612c0bf9d046f895896679e81f14b36dfc70e3b6e7a069b21ed0df690a57db1fa5b38ceb77443a915372370d83ba7d15d08fed8
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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