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Analysis
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max time kernel
94s -
max time network
110s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system -
submitted
28/04/2024, 01:07
Static task
static1
Behavioral task
behavioral1
Sample
4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a.msi
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a.msi
Resource
win10v2004-20240426-en
windows10-2004-x64
13 signatures
150 seconds
General
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Target
4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a.msi
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Size
1.5MB
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MD5
37605a3eb80f3366e56938031a9ac917
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SHA1
0582a0dd69d6027fb94765254ed91ad736ade305
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SHA256
4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a
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SHA512
772bb5538f5af14146d9bcf8d8c29a70860ecdf84b4af6cc99dae7589f60847ca7cb87b068bd2aa86f620e79d394c223b96c9fe95fe390e8a9c8422282f5b405
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SSDEEP
49152:JZH3YuW8zBQSc0ZnSKmZKumZr7AQB7aLTB:7Y90Zn0K/AQwLF
Score
10/10
Malware Config
Extracted
Family
latrodectus
C2
https://jarinamaers.shop/live/
https://startmast.shop/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 1 IoCs
resource yara_rule behavioral2/memory/4024-62-0x000002414EE90000-0x000002414EEA4000-memory.dmp family_latrodectus_v2 -
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\R: 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) \??\O: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\G: msiexec.exe 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) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe -
Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI6785.tmp msiexec.exe File created C:\Windows\Installer\inprogressinstallinfo.ipi msiexec.exe File created C:\Windows\Installer\SourceHash{B135729E-0574-44D1-B7A1-6E44550F506B} msiexec.exe File opened for modification C:\Windows\Installer\MSI68B0.tmp msiexec.exe File created C:\Windows\Installer\e5766d8.msi msiexec.exe File opened for modification C:\Windows\Installer\e5766d8.msi 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\MSI6716.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI6841.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 1364 MSI68B0.tmp -
Loads dropped DLL 11 IoCs
pid Process 3172 MsiExec.exe 3172 MsiExec.exe 3172 MsiExec.exe 3172 MsiExec.exe 3172 MsiExec.exe 3172 MsiExec.exe 5092 MsiExec.exe 5092 MsiExec.exe 3264 rundll32.exe 4024 rundll32.exe 4440 rundll32.exe -
Checks SCSI registry key(s) 3 TTPs 5 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters vssvc.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\PartitionTableCache = 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 vssvc.exe Set value (data) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Device Parameters\Partmgr\SnapshotDataCache = 534e41505041525401000000700000008ec7416a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 vssvc.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 5080 msiexec.exe 5080 msiexec.exe 1364 MSI68B0.tmp 1364 MSI68B0.tmp 3264 rundll32.exe 3264 rundll32.exe 3264 rundll32.exe 3264 rundll32.exe 4024 rundll32.exe 4024 rundll32.exe 4024 rundll32.exe 4024 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe 4440 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 100 msiexec.exe Token: SeIncreaseQuotaPrivilege 100 msiexec.exe Token: SeSecurityPrivilege 5080 msiexec.exe Token: SeCreateTokenPrivilege 100 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 100 msiexec.exe Token: SeLockMemoryPrivilege 100 msiexec.exe Token: SeIncreaseQuotaPrivilege 100 msiexec.exe Token: SeMachineAccountPrivilege 100 msiexec.exe Token: SeTcbPrivilege 100 msiexec.exe Token: SeSecurityPrivilege 100 msiexec.exe Token: SeTakeOwnershipPrivilege 100 msiexec.exe Token: SeLoadDriverPrivilege 100 msiexec.exe Token: SeSystemProfilePrivilege 100 msiexec.exe Token: SeSystemtimePrivilege 100 msiexec.exe Token: SeProfSingleProcessPrivilege 100 msiexec.exe Token: SeIncBasePriorityPrivilege 100 msiexec.exe Token: SeCreatePagefilePrivilege 100 msiexec.exe Token: SeCreatePermanentPrivilege 100 msiexec.exe Token: SeBackupPrivilege 100 msiexec.exe Token: SeRestorePrivilege 100 msiexec.exe Token: SeShutdownPrivilege 100 msiexec.exe Token: SeDebugPrivilege 100 msiexec.exe Token: SeAuditPrivilege 100 msiexec.exe Token: SeSystemEnvironmentPrivilege 100 msiexec.exe Token: SeChangeNotifyPrivilege 100 msiexec.exe Token: SeRemoteShutdownPrivilege 100 msiexec.exe Token: SeUndockPrivilege 100 msiexec.exe Token: SeSyncAgentPrivilege 100 msiexec.exe Token: SeEnableDelegationPrivilege 100 msiexec.exe Token: SeManageVolumePrivilege 100 msiexec.exe Token: SeImpersonatePrivilege 100 msiexec.exe Token: SeCreateGlobalPrivilege 100 msiexec.exe Token: SeCreateTokenPrivilege 100 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 100 msiexec.exe Token: SeLockMemoryPrivilege 100 msiexec.exe Token: SeIncreaseQuotaPrivilege 100 msiexec.exe Token: SeMachineAccountPrivilege 100 msiexec.exe Token: SeTcbPrivilege 100 msiexec.exe Token: SeSecurityPrivilege 100 msiexec.exe Token: SeTakeOwnershipPrivilege 100 msiexec.exe Token: SeLoadDriverPrivilege 100 msiexec.exe Token: SeSystemProfilePrivilege 100 msiexec.exe Token: SeSystemtimePrivilege 100 msiexec.exe Token: SeProfSingleProcessPrivilege 100 msiexec.exe Token: SeIncBasePriorityPrivilege 100 msiexec.exe Token: SeCreatePagefilePrivilege 100 msiexec.exe Token: SeCreatePermanentPrivilege 100 msiexec.exe Token: SeBackupPrivilege 100 msiexec.exe Token: SeRestorePrivilege 100 msiexec.exe Token: SeShutdownPrivilege 100 msiexec.exe Token: SeDebugPrivilege 100 msiexec.exe Token: SeAuditPrivilege 100 msiexec.exe Token: SeSystemEnvironmentPrivilege 100 msiexec.exe Token: SeChangeNotifyPrivilege 100 msiexec.exe Token: SeRemoteShutdownPrivilege 100 msiexec.exe Token: SeUndockPrivilege 100 msiexec.exe Token: SeSyncAgentPrivilege 100 msiexec.exe Token: SeEnableDelegationPrivilege 100 msiexec.exe Token: SeManageVolumePrivilege 100 msiexec.exe Token: SeImpersonatePrivilege 100 msiexec.exe Token: SeCreateGlobalPrivilege 100 msiexec.exe Token: SeCreateTokenPrivilege 100 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 100 msiexec.exe Token: SeLockMemoryPrivilege 100 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 100 msiexec.exe 100 msiexec.exe -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 5080 wrote to memory of 3172 5080 msiexec.exe 83 PID 5080 wrote to memory of 3172 5080 msiexec.exe 83 PID 5080 wrote to memory of 3172 5080 msiexec.exe 83 PID 5080 wrote to memory of 4756 5080 msiexec.exe 91 PID 5080 wrote to memory of 4756 5080 msiexec.exe 91 PID 5080 wrote to memory of 5092 5080 msiexec.exe 93 PID 5080 wrote to memory of 5092 5080 msiexec.exe 93 PID 5080 wrote to memory of 5092 5080 msiexec.exe 93 PID 5080 wrote to memory of 1364 5080 msiexec.exe 94 PID 5080 wrote to memory of 1364 5080 msiexec.exe 94 PID 5080 wrote to memory of 1364 5080 msiexec.exe 94 PID 3264 wrote to memory of 4024 3264 rundll32.exe 96 PID 3264 wrote to memory of 4024 3264 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.
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Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\4e7ac0bdb516e983b3cab7f79850d8102d2bf4117bb343b68d0da73780cceb1a.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:100
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5080 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 85788DB56DACE5EBEC815203B64F5664 C2⤵
- Loads dropped DLL
PID:3172
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C:\Windows\system32\srtasks.exeC:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:22⤵PID:4756
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding F808205745B469607DDF9ED13CB35A4E2⤵
- Loads dropped DLL
PID:5092
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C:\Windows\Installer\MSI68B0.tmp"C:\Windows\Installer\MSI68B0.tmp" C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1364
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Checks SCSI registry key(s)
PID:3316
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\sharepoint\360total.dll, homq1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\System32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e17ea67f.dll", homq2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4024
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C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Roaming\Custom_update\Update_e17ea67f.dll", homq1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4440
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD55d4f34c75e564d55bfbf43821b55592c
SHA1e1a463e1976780eea046238d6c20ed150713bd81
SHA2565f9de102311921985042f621648b41115dbca14897b73f0054ef4152dacafb7c
SHA512a599a728f81dab2688eab9717af40b5a21dcf1a27c1d77cafdd08229ca11aa9986ff798ef8c83b08d5b1e6c81513f05a48b866e72cae1e80d0b5b0279fd252da
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
885KB
MD5bd3a3714ee9a071ebeb59ac91d9ebb5a
SHA155110a221f20a4ceec34c58d0179fa31f8c102e9
SHA2564cf2b612939359977df51a32d2f63e2cb0c6c601e114b8e4812bd548d1db85fe
SHA5127244220f29057339c99a22c20268187ba6f6681251f4ce4f305ad22dc030f6078b4f298ef10ad392dc5d036c41c7b8c28c2bd997ea39ef7ab023cb9b5c946dc8
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
23.7MB
MD5145cd7045d35e6aea801cc3c6a6554f6
SHA1ede149fdf080f75df7021b8d85c9a622f1f922c2
SHA2563692b1102301ac4fef8ac61ef12c2f9ec4ad47fb6c3907310de3d2d2e59d63ec
SHA51279ddb08c319dfb54191b7afb6190833dd7f9e58315554958561433e0ba850fa74e8a01c645e84873fa6adf1fcaad3f1b4420f38bfd4e109f20fb85bfe656d971
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\??\Volume{b97ed4d9-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{abc4915e-dd25-42ca-bef4-f6cb97db352c}_OnDiskSnapshotProp
Filesize6KB
MD568e7933965299918d1fd36330661af10
SHA1901fd9c610c1efce9ca24ce4f039c708d4982c6d
SHA256bd908ab386e353af3388c15940d6bce112e451119827c97c609b95724a6f9b94
SHA512aaf3850b19b19aca246e79ce0f3cd2e890a3f6594cc7a29da2cfa216af83ed4399c3cde82e689a8509556dacf7de616728a232c32f505a27f1e7a5f692838b68