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02-04-2024 20:58
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240401-2f8tksha31 10Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-04-2024 22:32
Static task
static1
Behavioral task
behavioral1
Sample
lib.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
lib.msi
Resource
win10v2004-20240226-en
General
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Target
lib.msi
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Size
1.5MB
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MD5
e1692df23c8753b5744c77570aca2f2e
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SHA1
71a71557601602427c80021acb978cccb78e1536
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SHA256
0f0757d1baa3bd0341d282bb0afcdbdb522676db05814a3c3051c08829151b52
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SHA512
4ce5eba6204ff771fa65e102529580c67076aa7906d38f240c3caf49e4ba35633384015db2ac63c4b29f340152bc6720fcec4d7e42dfdab8c21c4c6659ee5504
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SSDEEP
24576:SwRxLNvYLSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7AuSqTicJ2I0x:SwxvYpW8zBQSc0ZnSKeZKumZr7AjqAI0
Malware Config
Extracted
latrodectus
https://titnovacrion.top/live/
https://skinnyjeanso.com/live/
Signatures
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Latrodectus loader
Latrodectus is a loader written in C++.
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Detect larodectus Loader variant 2 2 IoCs
resource yara_rule behavioral1/memory/2656-46-0x00000000002C0000-0x00000000002D4000-memory.dmp family_latrodectus_v2 behavioral1/memory/2656-45-0x00000000002E0000-0x00000000002F4000-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) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\X: 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) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI39B9.tmp msiexec.exe File opened for modification C:\Windows\Installer\f763812.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\Installer\f763811.msi msiexec.exe File created C:\Windows\Installer\f763812.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI393A.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f763811.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI384F.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 868 MSI39B9.tmp -
Loads dropped DLL 10 IoCs
pid Process 2556 MsiExec.exe 2556 MsiExec.exe 2556 MsiExec.exe 2556 MsiExec.exe 2556 MsiExec.exe 2144 MsiExec.exe 2656 rundll32.exe 2656 rundll32.exe 2656 rundll32.exe 2656 rundll32.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2120 msiexec.exe 2120 msiexec.exe 868 MSI39B9.tmp 2656 rundll32.exe 2656 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1968 msiexec.exe Token: SeIncreaseQuotaPrivilege 1968 msiexec.exe Token: SeRestorePrivilege 2120 msiexec.exe Token: SeTakeOwnershipPrivilege 2120 msiexec.exe Token: SeSecurityPrivilege 2120 msiexec.exe Token: SeCreateTokenPrivilege 1968 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1968 msiexec.exe Token: SeLockMemoryPrivilege 1968 msiexec.exe Token: SeIncreaseQuotaPrivilege 1968 msiexec.exe Token: SeMachineAccountPrivilege 1968 msiexec.exe Token: SeTcbPrivilege 1968 msiexec.exe Token: SeSecurityPrivilege 1968 msiexec.exe Token: SeTakeOwnershipPrivilege 1968 msiexec.exe Token: SeLoadDriverPrivilege 1968 msiexec.exe Token: SeSystemProfilePrivilege 1968 msiexec.exe Token: SeSystemtimePrivilege 1968 msiexec.exe Token: SeProfSingleProcessPrivilege 1968 msiexec.exe Token: SeIncBasePriorityPrivilege 1968 msiexec.exe Token: SeCreatePagefilePrivilege 1968 msiexec.exe Token: SeCreatePermanentPrivilege 1968 msiexec.exe Token: SeBackupPrivilege 1968 msiexec.exe Token: SeRestorePrivilege 1968 msiexec.exe Token: SeShutdownPrivilege 1968 msiexec.exe Token: SeDebugPrivilege 1968 msiexec.exe Token: SeAuditPrivilege 1968 msiexec.exe Token: SeSystemEnvironmentPrivilege 1968 msiexec.exe Token: SeChangeNotifyPrivilege 1968 msiexec.exe Token: SeRemoteShutdownPrivilege 1968 msiexec.exe Token: SeUndockPrivilege 1968 msiexec.exe Token: SeSyncAgentPrivilege 1968 msiexec.exe Token: SeEnableDelegationPrivilege 1968 msiexec.exe Token: SeManageVolumePrivilege 1968 msiexec.exe Token: SeImpersonatePrivilege 1968 msiexec.exe Token: SeCreateGlobalPrivilege 1968 msiexec.exe Token: SeCreateTokenPrivilege 1968 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1968 msiexec.exe Token: SeLockMemoryPrivilege 1968 msiexec.exe Token: SeIncreaseQuotaPrivilege 1968 msiexec.exe Token: SeMachineAccountPrivilege 1968 msiexec.exe Token: SeTcbPrivilege 1968 msiexec.exe Token: SeSecurityPrivilege 1968 msiexec.exe Token: SeTakeOwnershipPrivilege 1968 msiexec.exe Token: SeLoadDriverPrivilege 1968 msiexec.exe Token: SeSystemProfilePrivilege 1968 msiexec.exe Token: SeSystemtimePrivilege 1968 msiexec.exe Token: SeProfSingleProcessPrivilege 1968 msiexec.exe Token: SeIncBasePriorityPrivilege 1968 msiexec.exe Token: SeCreatePagefilePrivilege 1968 msiexec.exe Token: SeCreatePermanentPrivilege 1968 msiexec.exe Token: SeBackupPrivilege 1968 msiexec.exe Token: SeRestorePrivilege 1968 msiexec.exe Token: SeShutdownPrivilege 1968 msiexec.exe Token: SeDebugPrivilege 1968 msiexec.exe Token: SeAuditPrivilege 1968 msiexec.exe Token: SeSystemEnvironmentPrivilege 1968 msiexec.exe Token: SeChangeNotifyPrivilege 1968 msiexec.exe Token: SeRemoteShutdownPrivilege 1968 msiexec.exe Token: SeUndockPrivilege 1968 msiexec.exe Token: SeSyncAgentPrivilege 1968 msiexec.exe Token: SeEnableDelegationPrivilege 1968 msiexec.exe Token: SeManageVolumePrivilege 1968 msiexec.exe Token: SeImpersonatePrivilege 1968 msiexec.exe Token: SeCreateGlobalPrivilege 1968 msiexec.exe Token: SeCreateTokenPrivilege 1968 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1968 msiexec.exe 1968 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2556 2120 msiexec.exe 29 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 2144 2120 msiexec.exe 33 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 PID 2120 wrote to memory of 868 2120 msiexec.exe 34 -
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\lib.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1968
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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:2120 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding ADAADC2459A376DC812756FC515EAEC9 C2⤵
- Loads dropped DLL
PID:2556
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding B01B0E15B174A5A72481C7BAF11032152⤵
- Loads dropped DLL
PID:2144
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C:\Windows\Installer\MSI39B9.tmp"C:\Windows\Installer\MSI39B9.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\libroffice\rsa.dll, home2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:868
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2752
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003E0" "0000000000000598"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2716
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\libroffice\rsa.dll, home1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2656
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD563ec40d5a8da7a00459f3de9a606be19
SHA16b22bf61b2cc6ff0262eac1b8a5d140f0ca7112f
SHA256c8e4aedfea3e34bf994520f17a2a9b5447e71b195efb9593f019b79e787559af
SHA5121bcc58292931c3e03ea782bacfd6a0fb309a1b3f778132ebb6098034e7929e240eee0a3e768d7d4f14b893d8131a43d4d011f0a7da34247ccf71547be320ab17
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Filesize
740KB
MD53925637dae8797721f30976e688b84d8
SHA1e260fc3f8646b605cf05684afca681dc74061efa
SHA25617ddc339b14845bc9d67c5c3cd9a0e617387cc0569131ff3641035d82043effa
SHA5127ae16443b752c88a7e9231120cc337bf4c7d05b67daa572771d0daed49e4ee7efec3ec4a64faf8799f69d01b6928d82d9d284d8ccc1410595dafd531fd17e880
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e