Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13-03-2024 13:24
Static task
static1
Behavioral task
behavioral1
Sample
cisa.msi
Resource
win7-20231129-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
cisa.msi
Resource
win10v2004-20240226-en
windows10-2004-x64
15 signatures
150 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.
description ioc Process File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: 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\INF\setupapi.ev3 DrvInst.exe File opened for modification C:\Windows\Installer\MSI26A3.tmp msiexec.exe File created C:\Windows\Installer\f762666.ipi msiexec.exe File opened for modification C:\Windows\Installer\MSI2771.tmp msiexec.exe File opened for modification C:\Windows\Installer\ msiexec.exe File opened for modification C:\Windows\Installer\MSI2740.tmp msiexec.exe File opened for modification C:\Windows\Installer\f762666.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 created C:\Windows\Installer\f762665.msi msiexec.exe File opened for modification C:\Windows\Installer\f762665.msi msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 2152 MSI2771.tmp -
Loads dropped DLL 10 IoCs
pid Process 3020 MsiExec.exe 3020 MsiExec.exe 3020 MsiExec.exe 3020 MsiExec.exe 3020 MsiExec.exe 2024 MsiExec.exe 1288 rundll32.exe 1288 rundll32.exe 1288 rundll32.exe 1288 rundll32.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs 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\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs 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\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs 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\Policies\Microsoft\SystemCertificates\CA\CTLs 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\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\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\CTLs 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\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs 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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot 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 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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2352 msiexec.exe 2352 msiexec.exe 2152 MSI2771.tmp 1288 rundll32.exe 1288 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 2172 msiexec.exe Token: SeIncreaseQuotaPrivilege 2172 msiexec.exe Token: SeRestorePrivilege 2352 msiexec.exe Token: SeTakeOwnershipPrivilege 2352 msiexec.exe Token: SeSecurityPrivilege 2352 msiexec.exe Token: SeCreateTokenPrivilege 2172 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2172 msiexec.exe Token: SeLockMemoryPrivilege 2172 msiexec.exe Token: SeIncreaseQuotaPrivilege 2172 msiexec.exe Token: SeMachineAccountPrivilege 2172 msiexec.exe Token: SeTcbPrivilege 2172 msiexec.exe Token: SeSecurityPrivilege 2172 msiexec.exe Token: SeTakeOwnershipPrivilege 2172 msiexec.exe Token: SeLoadDriverPrivilege 2172 msiexec.exe Token: SeSystemProfilePrivilege 2172 msiexec.exe Token: SeSystemtimePrivilege 2172 msiexec.exe Token: SeProfSingleProcessPrivilege 2172 msiexec.exe Token: SeIncBasePriorityPrivilege 2172 msiexec.exe Token: SeCreatePagefilePrivilege 2172 msiexec.exe Token: SeCreatePermanentPrivilege 2172 msiexec.exe Token: SeBackupPrivilege 2172 msiexec.exe Token: SeRestorePrivilege 2172 msiexec.exe Token: SeShutdownPrivilege 2172 msiexec.exe Token: SeDebugPrivilege 2172 msiexec.exe Token: SeAuditPrivilege 2172 msiexec.exe Token: SeSystemEnvironmentPrivilege 2172 msiexec.exe Token: SeChangeNotifyPrivilege 2172 msiexec.exe Token: SeRemoteShutdownPrivilege 2172 msiexec.exe Token: SeUndockPrivilege 2172 msiexec.exe Token: SeSyncAgentPrivilege 2172 msiexec.exe Token: SeEnableDelegationPrivilege 2172 msiexec.exe Token: SeManageVolumePrivilege 2172 msiexec.exe Token: SeImpersonatePrivilege 2172 msiexec.exe Token: SeCreateGlobalPrivilege 2172 msiexec.exe Token: SeCreateTokenPrivilege 2172 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2172 msiexec.exe Token: SeLockMemoryPrivilege 2172 msiexec.exe Token: SeIncreaseQuotaPrivilege 2172 msiexec.exe Token: SeMachineAccountPrivilege 2172 msiexec.exe Token: SeTcbPrivilege 2172 msiexec.exe Token: SeSecurityPrivilege 2172 msiexec.exe Token: SeTakeOwnershipPrivilege 2172 msiexec.exe Token: SeLoadDriverPrivilege 2172 msiexec.exe Token: SeSystemProfilePrivilege 2172 msiexec.exe Token: SeSystemtimePrivilege 2172 msiexec.exe Token: SeProfSingleProcessPrivilege 2172 msiexec.exe Token: SeIncBasePriorityPrivilege 2172 msiexec.exe Token: SeCreatePagefilePrivilege 2172 msiexec.exe Token: SeCreatePermanentPrivilege 2172 msiexec.exe Token: SeBackupPrivilege 2172 msiexec.exe Token: SeRestorePrivilege 2172 msiexec.exe Token: SeShutdownPrivilege 2172 msiexec.exe Token: SeDebugPrivilege 2172 msiexec.exe Token: SeAuditPrivilege 2172 msiexec.exe Token: SeSystemEnvironmentPrivilege 2172 msiexec.exe Token: SeChangeNotifyPrivilege 2172 msiexec.exe Token: SeRemoteShutdownPrivilege 2172 msiexec.exe Token: SeUndockPrivilege 2172 msiexec.exe Token: SeSyncAgentPrivilege 2172 msiexec.exe Token: SeEnableDelegationPrivilege 2172 msiexec.exe Token: SeManageVolumePrivilege 2172 msiexec.exe Token: SeImpersonatePrivilege 2172 msiexec.exe Token: SeCreateGlobalPrivilege 2172 msiexec.exe Token: SeCreateTokenPrivilege 2172 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2172 msiexec.exe 2172 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 3020 2352 msiexec.exe 29 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2024 2352 msiexec.exe 33 PID 2352 wrote to memory of 2152 2352 msiexec.exe 34 PID 2352 wrote to memory of 2152 2352 msiexec.exe 34 PID 2352 wrote to memory of 2152 2352 msiexec.exe 34 PID 2352 wrote to memory of 2152 2352 msiexec.exe 34 PID 2352 wrote to memory of 2152 2352 msiexec.exe 34 PID 2352 wrote to memory of 2152 2352 msiexec.exe 34 PID 2352 wrote to memory of 2152 2352 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:2172
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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:2352 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding C1528CFC4DB2A32903155781A403DCCE C2⤵
- Loads dropped DLL
PID:3020
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 860ECA91A7990F1715894449D4F324B62⤵
- Loads dropped DLL
PID:2024
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C:\Windows\Installer\MSI2771.tmp"C:\Windows\Installer\MSI2771.tmp" C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\stat\falcon.dll, vgml2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2152
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2568
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000056C" "0000000000000554"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2908
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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:1288
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5a172b55acc375e2da34a10a3e78894b7
SHA18ae7c25856b3898c6ae8c89ef5dd6427d931e1d1
SHA2564ffee34318a153ac631f3d6a0981c4e129a9728c68e41f0971fe395acbefeaf0
SHA5125678703c72545e97e8a200d0374406f78e7bcf2f59b135389989915f59f3e559c4760501c655030efa8ba43bf5588d80119f2de13d51c0f14715fb0d5eaba769
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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
256KB
MD5fb4298e3f69ba95c30c7fe8fdc72c294
SHA10e64d8f037b087b56d1cf9c4c9d7e808b8c2826a
SHA256647279d2115df98732da2fd5818cd6c817ba551e57f260ff52bf343389e56b67
SHA512ed5840fb16542037c79129d711928ca72a204e6c9df32218e3adcaf3f9b8231a0425b55719d41c13d979d4eb59c2af195b75ae4f7e1bcd1162eb03395febb1f9
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04
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Filesize
233KB
MD509e744acaa6a9c73789d107da864685e
SHA1cb33ef6915d7ccbd81725f525517592a293fb3c4
SHA2564c37a5e72101e80c51acdfddb23e4057768f4f72971deb5fb98399fbc0b51f7c
SHA5125dda32f3d941fb6a517473663dad381fc98e9303e3cda65cb5fa9cf773f087997a2a672c09af48053839d1e2cfba69f298506cfa0e7ce0bca2bd2e1755e9a365