Analysis
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max time kernel
120s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
13-09-2024 10:56
Static task
static1
Behavioral task
behavioral1
Sample
Document-10-56-12.js
Resource
win7-20240704-en
windows7-x64
Behavioral task
behavioral2
Sample
Document-10-56-12.js
Resource
win10v2004-20240802-en
windows10-2004-x64
General
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Target
Document-10-56-12.js
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Size
713KB
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MD5
b0c01f0333f8f3c02f6a6967a7c24d2c
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SHA1
70dceebd8f5845d56b939ddb40828314a55ee9b2
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SHA256
bffbd268ceb70ee78bcfcc2910a025fdfe522e4a0b86d3c4e27dcf93483232af
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SHA512
bb29f11660a59871f950e84597856d12245ecac372aa7a06a814c962732d96f16ab05ca834b6b1584e3dad26ac83691d9ea9a7504fc844c8c45c1e6006a678d3
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SSDEEP
12288:2HAr5brT4tcc1LvjKgsYpxnlFylL80a0QQ4fl:/5brT01LbKgsYp1rylwLlF
Malware Config
Signatures
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Detects Latrodectus 3 IoCs
Detects Latrodectus v1.4.
resource yara_rule behavioral1/memory/2600-45-0x00000000003E0000-0x00000000003F6000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2436-54-0x0000000001D40000-0x0000000001D56000-memory.dmp family_latrodectus_1_4 behavioral1/memory/2436-55-0x0000000001D40000-0x0000000001D56000-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 2892 MSIDBB5.tmp -
Loads dropped DLL 11 IoCs
pid Process 2748 MsiExec.exe 2748 MsiExec.exe 2748 MsiExec.exe 2600 rundll32.exe 2600 rundll32.exe 2600 rundll32.exe 2600 rundll32.exe 2436 rundll32.exe 2436 rundll32.exe 2436 rundll32.exe 2436 rundll32.exe -
Blocklisted process makes network request 1 IoCs
flow pid Process 4 2292 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) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe -
Drops file in Windows directory 9 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSIDB75.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIDBB5.tmp msiexec.exe File opened for modification C:\Windows\Installer\f76d960.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSID76C.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSID867.tmp msiexec.exe File created C:\Windows\Installer\f76d960.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSID124.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSID8E4.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 MSIDBB5.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 2292 msiexec.exe 2292 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 52 IoCs
description pid Process Token: SeShutdownPrivilege 2304 wscript.exe Token: SeIncreaseQuotaPrivilege 2304 wscript.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeSecurityPrivilege 2292 msiexec.exe Token: SeCreateTokenPrivilege 2304 wscript.exe Token: SeAssignPrimaryTokenPrivilege 2304 wscript.exe Token: SeLockMemoryPrivilege 2304 wscript.exe Token: SeIncreaseQuotaPrivilege 2304 wscript.exe Token: SeMachineAccountPrivilege 2304 wscript.exe Token: SeTcbPrivilege 2304 wscript.exe Token: SeSecurityPrivilege 2304 wscript.exe Token: SeTakeOwnershipPrivilege 2304 wscript.exe Token: SeLoadDriverPrivilege 2304 wscript.exe Token: SeSystemProfilePrivilege 2304 wscript.exe Token: SeSystemtimePrivilege 2304 wscript.exe Token: SeProfSingleProcessPrivilege 2304 wscript.exe Token: SeIncBasePriorityPrivilege 2304 wscript.exe Token: SeCreatePagefilePrivilege 2304 wscript.exe Token: SeCreatePermanentPrivilege 2304 wscript.exe Token: SeBackupPrivilege 2304 wscript.exe Token: SeRestorePrivilege 2304 wscript.exe Token: SeShutdownPrivilege 2304 wscript.exe Token: SeDebugPrivilege 2304 wscript.exe Token: SeAuditPrivilege 2304 wscript.exe Token: SeSystemEnvironmentPrivilege 2304 wscript.exe Token: SeChangeNotifyPrivilege 2304 wscript.exe Token: SeRemoteShutdownPrivilege 2304 wscript.exe Token: SeUndockPrivilege 2304 wscript.exe Token: SeSyncAgentPrivilege 2304 wscript.exe Token: SeEnableDelegationPrivilege 2304 wscript.exe Token: SeManageVolumePrivilege 2304 wscript.exe Token: SeImpersonatePrivilege 2304 wscript.exe Token: SeCreateGlobalPrivilege 2304 wscript.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe Token: SeRestorePrivilege 2292 msiexec.exe Token: SeTakeOwnershipPrivilege 2292 msiexec.exe -
Suspicious use of WriteProcessMemory 17 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2748 2292 msiexec.exe 32 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2292 wrote to memory of 2892 2292 msiexec.exe 33 PID 2600 wrote to memory of 2436 2600 rundll32.exe 35 PID 2600 wrote to memory of 2436 2600 rundll32.exe 35 PID 2600 wrote to memory of 2436 2600 rundll32.exe 35 -
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-10-56-12.js1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2304
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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:2292 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 7DFC1BC1C0E915862E99AD5171B1DCCF2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2748
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C:\Windows\Installer\MSIDBB5.tmp"C:\Windows\Installer\MSIDBB5.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:2892
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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:2600 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_883a5e6f.dll", NvPluginGetInfo2⤵
- Loads dropped DLL
PID:2436
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5173a83f1c68d4126d590a69eed746d4d
SHA1e737551b5c1047a557ad07eed77c1777c9a979bc
SHA256c80ffd6a014a9cb43b1a28ed814648234f513481daf9f4f1e8799a4076040712
SHA512d16f893027c02d23773b97d859d17005a06a23b0bf5e7e945c11d587845d43a183fac4e4979c880dea710533b29f79352e09aec29d3abf331579486db2668283
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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