Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12-09-2024 20:06
Static task
static1
Behavioral task
behavioral1
Sample
Document-19-25-24.js
Resource
win7-20240903-en
windows7-x64
Behavioral task
behavioral2
Sample
Document-19-25-24.js
Resource
win10v2004-20240802-en
windows10-2004-x64
General
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Target
Document-19-25-24.js
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Size
711KB
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MD5
49ed597d3e71dee0ced6c17c9ecc5ee9
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SHA1
235f285825ac621f16f8fc98664a1c226f1a4d68
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SHA256
6ed4c0b2e67a048fea0163a19588d4cf3ae469b62cbf8536cb6c2a213cbfd56f
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SHA512
94971817ecafe3bd69ba19c68162320c6d4ed403ce5e4a5841862114b76f599e87fd8552282a466d1af69fa1fedb4767c6e2f77563181924046f4fddfa3aa4c5
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SSDEEP
12288:5YOoheqQXmtqSElhoXJ/r2tiT+059vIkd08brxp+0:5to8vhBE5/r/T+051Q+xpr
Malware Config
Signatures
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Detects Latrodectus 4 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral1/memory/2668-45-0x0000000000140000-0x0000000000156000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2668-46-0x0000000000140000-0x0000000000156000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2296-55-0x00000000003C0000-0x00000000003D6000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2296-54-0x00000000003C0000-0x00000000003D6000-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 2780 MSIB429.tmp -
Loads dropped DLL 11 IoCs
pid Process 2828 MsiExec.exe 2828 MsiExec.exe 2828 MsiExec.exe 2668 rundll32.exe 2668 rundll32.exe 2668 rundll32.exe 2668 rundll32.exe 2296 rundll32.exe 2296 rundll32.exe 2296 rundll32.exe 2296 rundll32.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 4 2116 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) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: 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) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe -
Drops file in Windows directory 9 IoCs
description ioc Process File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSIB407.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIAAA1.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIB250.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIB2DD.tmp msiexec.exe File created C:\Windows\Installer\f76b33b.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIB2FD.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIB429.tmp msiexec.exe File opened for modification C:\Windows\Installer\f76b33b.ipi 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 MSIB429.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 2116 msiexec.exe 2116 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeShutdownPrivilege 2396 wscript.exe Token: SeIncreaseQuotaPrivilege 2396 wscript.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeSecurityPrivilege 2116 msiexec.exe Token: SeCreateTokenPrivilege 2396 wscript.exe Token: SeAssignPrimaryTokenPrivilege 2396 wscript.exe Token: SeLockMemoryPrivilege 2396 wscript.exe Token: SeIncreaseQuotaPrivilege 2396 wscript.exe Token: SeMachineAccountPrivilege 2396 wscript.exe Token: SeTcbPrivilege 2396 wscript.exe Token: SeSecurityPrivilege 2396 wscript.exe Token: SeTakeOwnershipPrivilege 2396 wscript.exe Token: SeLoadDriverPrivilege 2396 wscript.exe Token: SeSystemProfilePrivilege 2396 wscript.exe Token: SeSystemtimePrivilege 2396 wscript.exe Token: SeProfSingleProcessPrivilege 2396 wscript.exe Token: SeIncBasePriorityPrivilege 2396 wscript.exe Token: SeCreatePagefilePrivilege 2396 wscript.exe Token: SeCreatePermanentPrivilege 2396 wscript.exe Token: SeBackupPrivilege 2396 wscript.exe Token: SeRestorePrivilege 2396 wscript.exe Token: SeShutdownPrivilege 2396 wscript.exe Token: SeDebugPrivilege 2396 wscript.exe Token: SeAuditPrivilege 2396 wscript.exe Token: SeSystemEnvironmentPrivilege 2396 wscript.exe Token: SeChangeNotifyPrivilege 2396 wscript.exe Token: SeRemoteShutdownPrivilege 2396 wscript.exe Token: SeUndockPrivilege 2396 wscript.exe Token: SeSyncAgentPrivilege 2396 wscript.exe Token: SeEnableDelegationPrivilege 2396 wscript.exe Token: SeManageVolumePrivilege 2396 wscript.exe Token: SeImpersonatePrivilege 2396 wscript.exe Token: SeCreateGlobalPrivilege 2396 wscript.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe Token: SeRestorePrivilege 2116 msiexec.exe Token: SeTakeOwnershipPrivilege 2116 msiexec.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2828 2116 msiexec.exe 31 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2116 wrote to memory of 2780 2116 msiexec.exe 32 PID 2668 wrote to memory of 2296 2668 rundll32.exe 34 PID 2668 wrote to memory of 2296 2668 rundll32.exe 34 PID 2668 wrote to memory of 2296 2668 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\Document-19-25-24.js1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2396
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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:2116 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding DCC07196515942321812E947A11C030E2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2828
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C:\Windows\Installer\MSIB429.tmp"C:\Windows\Installer\MSIB429.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:2780
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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:2668 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_6f83d050.dll", NvPluginGetInfo2⤵
- Loads dropped DLL
PID:2296
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5d2272d229a8033dc234b82beef539fb5
SHA14cf534ac52de2903e32b8925c82de04c2a0e6ca5
SHA256d7cbff7e33ec89aee50f314f0157d3addfe55500c1ae836e31e0831f0722779c
SHA512e671af66eacfa5282eb289a61d3966bb2f82ae9ae13f7611293f1b365b1494c63dd97e3a650787adc5b648b98b05e436a44017833ea9de017176778bb3604578
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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