Resubmissions
02-04-2024 20:58
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240401-2ksyxshf68 1001-04-2024 22:32
240401-2f8tksha31 10Analysis
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max time kernel
122s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
02-04-2024 20:58
Static task
static1
Behavioral task
behavioral1
Sample
lib.msi
Resource
win7-20240221-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
lib.msi
Resource
win10v2004-20240319-en
windows10-2004-x64
13 signatures
150 seconds
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
Score
10/10
Malware Config
Extracted
Family
latrodectus
C2
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/1864-44-0x0000000000160000-0x0000000000174000-memory.dmp family_latrodectus_v2 behavioral1/memory/1864-45-0x0000000000140000-0x0000000000154000-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) \??\A: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: 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) \??\H: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\U: 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) \??\Q: msiexec.exe File opened (read-only) \??\V: 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) \??\T: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI2EE0.tmp msiexec.exe File opened for modification C:\Windows\Installer\f762db6.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File opened for modification C:\Windows\Installer\f762db5.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI2DE4.tmp msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File created C:\Windows\Installer\f762db5.msi msiexec.exe File created C:\Windows\Installer\f762db6.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI2ECF.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 1908 MSI2EE0.tmp -
Loads dropped DLL 10 IoCs
pid Process 2628 MsiExec.exe 2628 MsiExec.exe 2628 MsiExec.exe 2628 MsiExec.exe 2628 MsiExec.exe 1336 MsiExec.exe 1864 rundll32.exe 1864 rundll32.exe 1864 rundll32.exe 1864 rundll32.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\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\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2396 msiexec.exe 2396 msiexec.exe 1908 MSI2EE0.tmp 1864 rundll32.exe 1864 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1228 msiexec.exe Token: SeIncreaseQuotaPrivilege 1228 msiexec.exe Token: SeRestorePrivilege 2396 msiexec.exe Token: SeTakeOwnershipPrivilege 2396 msiexec.exe Token: SeSecurityPrivilege 2396 msiexec.exe Token: SeCreateTokenPrivilege 1228 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1228 msiexec.exe Token: SeLockMemoryPrivilege 1228 msiexec.exe Token: SeIncreaseQuotaPrivilege 1228 msiexec.exe Token: SeMachineAccountPrivilege 1228 msiexec.exe Token: SeTcbPrivilege 1228 msiexec.exe Token: SeSecurityPrivilege 1228 msiexec.exe Token: SeTakeOwnershipPrivilege 1228 msiexec.exe Token: SeLoadDriverPrivilege 1228 msiexec.exe Token: SeSystemProfilePrivilege 1228 msiexec.exe Token: SeSystemtimePrivilege 1228 msiexec.exe Token: SeProfSingleProcessPrivilege 1228 msiexec.exe Token: SeIncBasePriorityPrivilege 1228 msiexec.exe Token: SeCreatePagefilePrivilege 1228 msiexec.exe Token: SeCreatePermanentPrivilege 1228 msiexec.exe Token: SeBackupPrivilege 1228 msiexec.exe Token: SeRestorePrivilege 1228 msiexec.exe Token: SeShutdownPrivilege 1228 msiexec.exe Token: SeDebugPrivilege 1228 msiexec.exe Token: SeAuditPrivilege 1228 msiexec.exe Token: SeSystemEnvironmentPrivilege 1228 msiexec.exe Token: SeChangeNotifyPrivilege 1228 msiexec.exe Token: SeRemoteShutdownPrivilege 1228 msiexec.exe Token: SeUndockPrivilege 1228 msiexec.exe Token: SeSyncAgentPrivilege 1228 msiexec.exe Token: SeEnableDelegationPrivilege 1228 msiexec.exe Token: SeManageVolumePrivilege 1228 msiexec.exe Token: SeImpersonatePrivilege 1228 msiexec.exe Token: SeCreateGlobalPrivilege 1228 msiexec.exe Token: SeCreateTokenPrivilege 1228 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1228 msiexec.exe Token: SeLockMemoryPrivilege 1228 msiexec.exe Token: SeIncreaseQuotaPrivilege 1228 msiexec.exe Token: SeMachineAccountPrivilege 1228 msiexec.exe Token: SeTcbPrivilege 1228 msiexec.exe Token: SeSecurityPrivilege 1228 msiexec.exe Token: SeTakeOwnershipPrivilege 1228 msiexec.exe Token: SeLoadDriverPrivilege 1228 msiexec.exe Token: SeSystemProfilePrivilege 1228 msiexec.exe Token: SeSystemtimePrivilege 1228 msiexec.exe Token: SeProfSingleProcessPrivilege 1228 msiexec.exe Token: SeIncBasePriorityPrivilege 1228 msiexec.exe Token: SeCreatePagefilePrivilege 1228 msiexec.exe Token: SeCreatePermanentPrivilege 1228 msiexec.exe Token: SeBackupPrivilege 1228 msiexec.exe Token: SeRestorePrivilege 1228 msiexec.exe Token: SeShutdownPrivilege 1228 msiexec.exe Token: SeDebugPrivilege 1228 msiexec.exe Token: SeAuditPrivilege 1228 msiexec.exe Token: SeSystemEnvironmentPrivilege 1228 msiexec.exe Token: SeChangeNotifyPrivilege 1228 msiexec.exe Token: SeRemoteShutdownPrivilege 1228 msiexec.exe Token: SeUndockPrivilege 1228 msiexec.exe Token: SeSyncAgentPrivilege 1228 msiexec.exe Token: SeEnableDelegationPrivilege 1228 msiexec.exe Token: SeManageVolumePrivilege 1228 msiexec.exe Token: SeImpersonatePrivilege 1228 msiexec.exe Token: SeCreateGlobalPrivilege 1228 msiexec.exe Token: SeCreateTokenPrivilege 1228 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1228 msiexec.exe 1228 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 2628 2396 msiexec.exe 29 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1336 2396 msiexec.exe 33 PID 2396 wrote to memory of 1908 2396 msiexec.exe 34 PID 2396 wrote to memory of 1908 2396 msiexec.exe 34 PID 2396 wrote to memory of 1908 2396 msiexec.exe 34 PID 2396 wrote to memory of 1908 2396 msiexec.exe 34 PID 2396 wrote to memory of 1908 2396 msiexec.exe 34 PID 2396 wrote to memory of 1908 2396 msiexec.exe 34 PID 2396 wrote to memory of 1908 2396 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:1228
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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:2396 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding A3A0D41C862753F132834DB786492E31 C2⤵
- Loads dropped DLL
PID:2628
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 99D0C0D95C89E973A417A86C04CFB6202⤵
- Loads dropped DLL
PID:1336
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C:\Windows\Installer\MSI2EE0.tmp"C:\Windows\Installer\MSI2EE0.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\libroffice\rsa.dll, home2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1908
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2972
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000005B0" "00000000000005A4"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2900
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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:1864
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5c0234c3b93e8193872e5e73c28d14af4
SHA1824ac21304bfb4df26bb3059321daca0902145d0
SHA2569433a2878a40e37cc769864e5ab94fb4aa3a8f77bedf04b16061b64e7beb393f
SHA5124d8ab357adb3b06e454caa6bdd7571014f19b1f198592569efe667d0c9b3800286b90078f4221a23b21df223b0e9ce1906628bc10cd684d275f2b7099d4983fd
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
740KB
MD53925637dae8797721f30976e688b84d8
SHA1e260fc3f8646b605cf05684afca681dc74061efa
SHA25617ddc339b14845bc9d67c5c3cd9a0e617387cc0569131ff3641035d82043effa
SHA5127ae16443b752c88a7e9231120cc337bf4c7d05b67daa572771d0daed49e4ee7efec3ec4a64faf8799f69d01b6928d82d9d284d8ccc1410595dafd531fd17e880
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04