Analysis
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max time kernel
357s -
max time network
358s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
11-03-2024 15:45
Static task
static1
Behavioral task
behavioral1
Sample
cisa.msi
Resource
win7-20240221-en
windows7-x64
10 signatures
600 seconds
Behavioral task
behavioral2
Sample
cisa.msi
Resource
win10-20240221-en
windows10-1703-x64
11 signatures
600 seconds
Behavioral task
behavioral3
Sample
cisa.msi
Resource
win10v2004-20240226-en
windows10-2004-x64
12 signatures
600 seconds
Behavioral task
behavioral4
Sample
cisa.msi
Resource
win11-20240221-en
windows11-21h2-x64
12 signatures
600 seconds
General
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Target
cisa.msi
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Size
1.5MB
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MD5
c4e8f3e02fd50a4051f11048f1355726
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SHA1
c82bf39c9f4797f346447aecc1070fb8c892010f
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SHA256
3a950d7e6736f17c3df90844c76d934dc66c17ec76841a4ad58de07af7955f0f
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SHA512
e44d8330c4ffdae01614ed5d11c2f112cff9b39bae793242f983d039e1404d371a2697a77fa65b740e43548ab1b203607a6d82b05ff3df741be02bd99a136592
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SSDEEP
24576:QjGxLNvYLSMvZCFlp8zBQSc0ZoCvqKwx0ECIgYmfLVYeBZr7A0r7Jh3OnJ3qXIoj:QjivYpW8zBQSc0ZnSKeZKumZr7A+D3O2
Score
6/10
Malware Config
Signatures
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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) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\G: 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) \??\S: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: 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) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\T: 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) \??\I: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\Y: msiexec.exe -
Drops file in Windows directory 11 IoCs
Processes:
msiexec.exeDrvInst.exedescription ioc Process File opened for modification C:\Windows\Installer\f7630b1.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI319C.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI31BD.tmp 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\MSI30E0.tmp msiexec.exe File created C:\Windows\Installer\f7630b2.ipi msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\f7630b2.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.dev.log DrvInst.exe File created C:\Windows\Installer\f7630b1.msi msiexec.exe -
Executes dropped EXE 1 IoCs
Processes:
MSI31BD.tmppid Process 1920 MSI31BD.tmp -
Loads dropped DLL 10 IoCs
Processes:
MsiExec.exeMsiExec.exerundll32.exepid Process 3052 MsiExec.exe 3052 MsiExec.exe 3052 MsiExec.exe 3052 MsiExec.exe 3052 MsiExec.exe 800 MsiExec.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe 2940 rundll32.exe -
Modifies data under HKEY_USERS 43 IoCs
Processes:
DrvInst.exedescription ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\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\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\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\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\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 DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\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\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\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\TrustedPeople DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
msiexec.exeMSI31BD.tmprundll32.exepid Process 2840 msiexec.exe 2840 msiexec.exe 1920 MSI31BD.tmp 2940 rundll32.exe 2940 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
msiexec.exemsiexec.exedescription pid Process Token: SeShutdownPrivilege 2896 msiexec.exe Token: SeIncreaseQuotaPrivilege 2896 msiexec.exe Token: SeRestorePrivilege 2840 msiexec.exe Token: SeTakeOwnershipPrivilege 2840 msiexec.exe Token: SeSecurityPrivilege 2840 msiexec.exe Token: SeCreateTokenPrivilege 2896 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2896 msiexec.exe Token: SeLockMemoryPrivilege 2896 msiexec.exe Token: SeIncreaseQuotaPrivilege 2896 msiexec.exe Token: SeMachineAccountPrivilege 2896 msiexec.exe Token: SeTcbPrivilege 2896 msiexec.exe Token: SeSecurityPrivilege 2896 msiexec.exe Token: SeTakeOwnershipPrivilege 2896 msiexec.exe Token: SeLoadDriverPrivilege 2896 msiexec.exe Token: SeSystemProfilePrivilege 2896 msiexec.exe Token: SeSystemtimePrivilege 2896 msiexec.exe Token: SeProfSingleProcessPrivilege 2896 msiexec.exe Token: SeIncBasePriorityPrivilege 2896 msiexec.exe Token: SeCreatePagefilePrivilege 2896 msiexec.exe Token: SeCreatePermanentPrivilege 2896 msiexec.exe Token: SeBackupPrivilege 2896 msiexec.exe Token: SeRestorePrivilege 2896 msiexec.exe Token: SeShutdownPrivilege 2896 msiexec.exe Token: SeDebugPrivilege 2896 msiexec.exe Token: SeAuditPrivilege 2896 msiexec.exe Token: SeSystemEnvironmentPrivilege 2896 msiexec.exe Token: SeChangeNotifyPrivilege 2896 msiexec.exe Token: SeRemoteShutdownPrivilege 2896 msiexec.exe Token: SeUndockPrivilege 2896 msiexec.exe Token: SeSyncAgentPrivilege 2896 msiexec.exe Token: SeEnableDelegationPrivilege 2896 msiexec.exe Token: SeManageVolumePrivilege 2896 msiexec.exe Token: SeImpersonatePrivilege 2896 msiexec.exe Token: SeCreateGlobalPrivilege 2896 msiexec.exe Token: SeCreateTokenPrivilege 2896 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2896 msiexec.exe Token: SeLockMemoryPrivilege 2896 msiexec.exe Token: SeIncreaseQuotaPrivilege 2896 msiexec.exe Token: SeMachineAccountPrivilege 2896 msiexec.exe Token: SeTcbPrivilege 2896 msiexec.exe Token: SeSecurityPrivilege 2896 msiexec.exe Token: SeTakeOwnershipPrivilege 2896 msiexec.exe Token: SeLoadDriverPrivilege 2896 msiexec.exe Token: SeSystemProfilePrivilege 2896 msiexec.exe Token: SeSystemtimePrivilege 2896 msiexec.exe Token: SeProfSingleProcessPrivilege 2896 msiexec.exe Token: SeIncBasePriorityPrivilege 2896 msiexec.exe Token: SeCreatePagefilePrivilege 2896 msiexec.exe Token: SeCreatePermanentPrivilege 2896 msiexec.exe Token: SeBackupPrivilege 2896 msiexec.exe Token: SeRestorePrivilege 2896 msiexec.exe Token: SeShutdownPrivilege 2896 msiexec.exe Token: SeDebugPrivilege 2896 msiexec.exe Token: SeAuditPrivilege 2896 msiexec.exe Token: SeSystemEnvironmentPrivilege 2896 msiexec.exe Token: SeChangeNotifyPrivilege 2896 msiexec.exe Token: SeRemoteShutdownPrivilege 2896 msiexec.exe Token: SeUndockPrivilege 2896 msiexec.exe Token: SeSyncAgentPrivilege 2896 msiexec.exe Token: SeEnableDelegationPrivilege 2896 msiexec.exe Token: SeManageVolumePrivilege 2896 msiexec.exe Token: SeImpersonatePrivilege 2896 msiexec.exe Token: SeCreateGlobalPrivilege 2896 msiexec.exe Token: SeCreateTokenPrivilege 2896 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
msiexec.exepid Process 2896 msiexec.exe 2896 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
msiexec.exedescription pid Process procid_target PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 3052 2840 msiexec.exe 29 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 800 2840 msiexec.exe 33 PID 2840 wrote to memory of 1920 2840 msiexec.exe 34 PID 2840 wrote to memory of 1920 2840 msiexec.exe 34 PID 2840 wrote to memory of 1920 2840 msiexec.exe 34 PID 2840 wrote to memory of 1920 2840 msiexec.exe 34 PID 2840 wrote to memory of 1920 2840 msiexec.exe 34 PID 2840 wrote to memory of 1920 2840 msiexec.exe 34 PID 2840 wrote to memory of 1920 2840 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\cisa.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2896
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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:2840 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 2E0E460EC12703ADD06615C05753B2DB C2⤵
- Loads dropped DLL
PID:3052
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding A49FD431D78620597FDED027BAFC87452⤵
- Loads dropped DLL
PID:800
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C:\Windows\Installer\MSI31BD.tmp"C:\Windows\Installer\MSI31BD.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:1920
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2800
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "00000000000002CC" "00000000000005B0"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2680
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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:2940
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD579a4c521dab1e160455b35be2ab0717a
SHA18489ad62630657bd08126f8ccd6344de80b3d291
SHA256672649a3d34dc74fbd39fa5f3eba682fe0d1b2d9909daba64956d1cc633359a0
SHA51263b0cd46b38a80eb5d641ee39d95593fb81c5e0239a6358fe000453de9bc4c4cfcead1fa1ac82faf647f7a7919f838f2c9ce4c1367122c8092a1133ec3e68cb8
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
694KB
MD5da8ae8e1de522b20a462239c6893613e
SHA17f65ef885815d81d220f9f42877ff0d696b0134c
SHA256aee22a35cbdac3f16c3ed742c0b1bfe9739a13469cf43b36fb2c63565111028c
SHA512d2dca9ba9272a0bdfa88f7520545e21a1f4d18dcacec36b072369cee8e28ba635a0214b47caef74b6f7fcd06e120d898da997e71c8955c72510972c66d2a855d
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04