Analysis
-
max time kernel
122s -
max time network
125s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
08-03-2024 13:26
Static task
static1
Behavioral task
behavioral1
Sample
08032024_2125_cisa.msi
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
08032024_2125_cisa.msi
Resource
win10v2004-20240226-en
General
-
Target
08032024_2125_cisa.msi
-
Size
1.5MB
-
MD5
c4e8f3e02fd50a4051f11048f1355726
-
SHA1
c82bf39c9f4797f346447aecc1070fb8c892010f
-
SHA256
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f
-
SHA512
e44d8330c4ffdae01614ed5d11c2f112cff9b39bae793242f983d039e1404d371a2697a77fa65b740e43548ab1b203607a6d82b05ff3df741be02bd99a136592
-
SSDEEP
24576:QjGxLNvYLSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7A0r7Jh3OnJ3qXIoj:QjivYpW8zBQSc0ZnSKeZKumZr7A+D3O2
Malware Config
Signatures
-
Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
msiexec.exemsiexec.exedescription ioc process File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\U: 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) \??\X: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: 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) \??\N: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\M: msiexec.exe -
Drops file in Windows directory 11 IoCs
Processes:
DrvInst.exemsiexec.exedescription ioc process File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\INF\setupapi.ev1 DrvInst.exe File created C:\Windows\Installer\f76adad.msi msiexec.exe File opened for modification C:\Windows\Installer\f76adad.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIAE49.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\f76adae.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f76adae.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSIB175.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSIB1B6.tmp msiexec.exe -
Executes dropped EXE 1 IoCs
Processes:
MSIB1B6.tmppid process 2472 MSIB1B6.tmp -
Loads dropped DLL 10 IoCs
Processes:
MsiExec.exeMsiExec.exerundll32.exepid process 2904 MsiExec.exe 2904 MsiExec.exe 2904 MsiExec.exe 2904 MsiExec.exe 2904 MsiExec.exe 1964 MsiExec.exe 2776 rundll32.exe 2776 rundll32.exe 2776 rundll32.exe 2776 rundll32.exe -
Modifies data under HKEY_USERS 43 IoCs
Processes:
DrvInst.exedescription ioc process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\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\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs 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\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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs 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\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\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\Policies\Microsoft\SystemCertificates\trust\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\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
msiexec.exeMSIB1B6.tmprundll32.exepid process 2244 msiexec.exe 2244 msiexec.exe 2472 MSIB1B6.tmp 2776 rundll32.exe 2776 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
msiexec.exemsiexec.exedescription pid process Token: SeShutdownPrivilege 2012 msiexec.exe Token: SeIncreaseQuotaPrivilege 2012 msiexec.exe Token: SeRestorePrivilege 2244 msiexec.exe Token: SeTakeOwnershipPrivilege 2244 msiexec.exe Token: SeSecurityPrivilege 2244 msiexec.exe Token: SeCreateTokenPrivilege 2012 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2012 msiexec.exe Token: SeLockMemoryPrivilege 2012 msiexec.exe Token: SeIncreaseQuotaPrivilege 2012 msiexec.exe Token: SeMachineAccountPrivilege 2012 msiexec.exe Token: SeTcbPrivilege 2012 msiexec.exe Token: SeSecurityPrivilege 2012 msiexec.exe Token: SeTakeOwnershipPrivilege 2012 msiexec.exe Token: SeLoadDriverPrivilege 2012 msiexec.exe Token: SeSystemProfilePrivilege 2012 msiexec.exe Token: SeSystemtimePrivilege 2012 msiexec.exe Token: SeProfSingleProcessPrivilege 2012 msiexec.exe Token: SeIncBasePriorityPrivilege 2012 msiexec.exe Token: SeCreatePagefilePrivilege 2012 msiexec.exe Token: SeCreatePermanentPrivilege 2012 msiexec.exe Token: SeBackupPrivilege 2012 msiexec.exe Token: SeRestorePrivilege 2012 msiexec.exe Token: SeShutdownPrivilege 2012 msiexec.exe Token: SeDebugPrivilege 2012 msiexec.exe Token: SeAuditPrivilege 2012 msiexec.exe Token: SeSystemEnvironmentPrivilege 2012 msiexec.exe Token: SeChangeNotifyPrivilege 2012 msiexec.exe Token: SeRemoteShutdownPrivilege 2012 msiexec.exe Token: SeUndockPrivilege 2012 msiexec.exe Token: SeSyncAgentPrivilege 2012 msiexec.exe Token: SeEnableDelegationPrivilege 2012 msiexec.exe Token: SeManageVolumePrivilege 2012 msiexec.exe Token: SeImpersonatePrivilege 2012 msiexec.exe Token: SeCreateGlobalPrivilege 2012 msiexec.exe Token: SeCreateTokenPrivilege 2012 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2012 msiexec.exe Token: SeLockMemoryPrivilege 2012 msiexec.exe Token: SeIncreaseQuotaPrivilege 2012 msiexec.exe Token: SeMachineAccountPrivilege 2012 msiexec.exe Token: SeTcbPrivilege 2012 msiexec.exe Token: SeSecurityPrivilege 2012 msiexec.exe Token: SeTakeOwnershipPrivilege 2012 msiexec.exe Token: SeLoadDriverPrivilege 2012 msiexec.exe Token: SeSystemProfilePrivilege 2012 msiexec.exe Token: SeSystemtimePrivilege 2012 msiexec.exe Token: SeProfSingleProcessPrivilege 2012 msiexec.exe Token: SeIncBasePriorityPrivilege 2012 msiexec.exe Token: SeCreatePagefilePrivilege 2012 msiexec.exe Token: SeCreatePermanentPrivilege 2012 msiexec.exe Token: SeBackupPrivilege 2012 msiexec.exe Token: SeRestorePrivilege 2012 msiexec.exe Token: SeShutdownPrivilege 2012 msiexec.exe Token: SeDebugPrivilege 2012 msiexec.exe Token: SeAuditPrivilege 2012 msiexec.exe Token: SeSystemEnvironmentPrivilege 2012 msiexec.exe Token: SeChangeNotifyPrivilege 2012 msiexec.exe Token: SeRemoteShutdownPrivilege 2012 msiexec.exe Token: SeUndockPrivilege 2012 msiexec.exe Token: SeSyncAgentPrivilege 2012 msiexec.exe Token: SeEnableDelegationPrivilege 2012 msiexec.exe Token: SeManageVolumePrivilege 2012 msiexec.exe Token: SeImpersonatePrivilege 2012 msiexec.exe Token: SeCreateGlobalPrivilege 2012 msiexec.exe Token: SeCreateTokenPrivilege 2012 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid process 2012 msiexec.exe 2012 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
msiexec.exedescription pid process target process PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2904 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 1964 2244 msiexec.exe MsiExec.exe PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp PID 2244 wrote to memory of 2472 2244 msiexec.exe MSIB1B6.tmp -
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
-
C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\08032024_2125_cisa.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2012
-
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:2244 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 241BD08186DD81F803D912515E4E4603 C2⤵
- Loads dropped DLL
PID:2904
-
-
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding ADC02E3A2729DB28DB333CF3C163A77D2⤵
- Loads dropped DLL
PID:1964
-
-
C:\Windows\Installer\MSIB1B6.tmp"C:\Windows\Installer\MSIB1B6.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2472
-
-
C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2648
-
C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000003C8" "0000000000000068"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:1988
-
C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2776
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1KB
MD5805d2af32d4c8611ffc879d0122668c5
SHA1ff523a77dbe31a544e04a38b29993a77717b97b8
SHA2561ad95947d15babe4ff119a9899a5ddc514b975d4a9e7393e4551d8762ba654ba
SHA51218990af0d1ebcdfab5c310ebc6f2deb4efa790466e590619cb2ee43dd8a11bfa2e8dd58a4c73c8a81abdca250c11dd0bae0a9b869e94933c7593306f6c7f3b4a
-
Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
-
Filesize
354KB
MD5120505f6f008e0181c8aac6d04d6145d
SHA1cace7032ca0b3945dc3f0e7bf6e135529415c8e6
SHA25615b28442546c0abe4c3bc5ddcc5e809148d73028f6235abc02ce7ab90522348a
SHA5128d0b142982682f552393d647c5327578983cdc6cb0e900e204859ac4eebcc2c25545bc0461edc1a74c0ad0abe2b1b648a55456a071213492c99309b2871e590a
-
Filesize
694KB
MD5da8ae8e1de522b20a462239c6893613e
SHA17f65ef885815d81d220f9f42877ff0d696b0134c
SHA256aee22a35cbdac3f16c3ed742c0b1bfe9739a13469cf43b36fb2c63565111028c
SHA512d2dca9ba9272a0bdfa88f7520545e21a1f4d18dcacec36b072369cee8e28ba635a0214b47caef74b6f7fcd06e120d898da997e71c8955c72510972c66d2a855d
-
Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04