Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
13/02/2024, 03:35
Static task
static1
Behavioral task
behavioral1
Sample
94b8ab735d503884585fdb5a735b3ea3485b6b19c1899939a5b2c0a80616400a.msi
Resource
win7-20231129-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
94b8ab735d503884585fdb5a735b3ea3485b6b19c1899939a5b2c0a80616400a.msi
Resource
win10v2004-20231215-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
94b8ab735d503884585fdb5a735b3ea3485b6b19c1899939a5b2c0a80616400a.msi
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Size
1.5MB
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MD5
9c8696dbb48add540a75737327c537d2
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SHA1
78b4eb7d363e017eb06e03408d7952bbb843f9a9
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SHA256
94b8ab735d503884585fdb5a735b3ea3485b6b19c1899939a5b2c0a80616400a
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SHA512
6ee26ecedd0386eca113e61086f6623b36ca093d24e41d90cf45412072d94d91dddb39c86ce726c3514da3d0221d3cf03455b00cc5d0987ca63d45c12225cf4a
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SSDEEP
49152:yErvYpW8zBQSc0ZnSKeZKumZr7Amyq3TGtezO:RYQ0ZncK/AEs
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) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\B: 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) \??\G: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe -
Drops file in Windows directory 11 IoCs
description ioc Process File opened for modification C:\Windows\Installer\MSI1AF1.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSI1B60.tmp msiexec.exe File opened for modification C:\Windows\Installer\f7619d8.ipi msiexec.exe File opened for modification C:\Windows\INF\setupapi.ev3 DrvInst.exe File created C:\Windows\Installer\f7619d7.msi msiexec.exe File opened for modification C:\Windows\Installer\f7619d7.msi msiexec.exe File opened for modification C:\Windows\Installer\MSI1A16.tmp msiexec.exe File created C:\Windows\Installer\f7619d8.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\ msiexec.exe -
Executes dropped EXE 1 IoCs
pid Process 2468 MSI1B60.tmp -
Loads dropped DLL 10 IoCs
pid Process 2164 MsiExec.exe 2164 MsiExec.exe 2164 MsiExec.exe 2164 MsiExec.exe 2164 MsiExec.exe 1316 MsiExec.exe 2964 rundll32.exe 2964 rundll32.exe 2964 rundll32.exe 2964 rundll32.exe -
Modifies data under HKEY_USERS 43 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CRLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\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\My DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs 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 Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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\Microsoft\SystemCertificates\CA\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\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\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\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople DrvInst.exe 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\Policies\Microsoft\SystemCertificates\CA\CTLs DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates DrvInst.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs DrvInst.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1088 msiexec.exe 1088 msiexec.exe 2964 rundll32.exe 2964 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeShutdownPrivilege 1732 msiexec.exe Token: SeIncreaseQuotaPrivilege 1732 msiexec.exe Token: SeRestorePrivilege 1088 msiexec.exe Token: SeTakeOwnershipPrivilege 1088 msiexec.exe Token: SeSecurityPrivilege 1088 msiexec.exe Token: SeCreateTokenPrivilege 1732 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1732 msiexec.exe Token: SeLockMemoryPrivilege 1732 msiexec.exe Token: SeIncreaseQuotaPrivilege 1732 msiexec.exe Token: SeMachineAccountPrivilege 1732 msiexec.exe Token: SeTcbPrivilege 1732 msiexec.exe Token: SeSecurityPrivilege 1732 msiexec.exe Token: SeTakeOwnershipPrivilege 1732 msiexec.exe Token: SeLoadDriverPrivilege 1732 msiexec.exe Token: SeSystemProfilePrivilege 1732 msiexec.exe Token: SeSystemtimePrivilege 1732 msiexec.exe Token: SeProfSingleProcessPrivilege 1732 msiexec.exe Token: SeIncBasePriorityPrivilege 1732 msiexec.exe Token: SeCreatePagefilePrivilege 1732 msiexec.exe Token: SeCreatePermanentPrivilege 1732 msiexec.exe Token: SeBackupPrivilege 1732 msiexec.exe Token: SeRestorePrivilege 1732 msiexec.exe Token: SeShutdownPrivilege 1732 msiexec.exe Token: SeDebugPrivilege 1732 msiexec.exe Token: SeAuditPrivilege 1732 msiexec.exe Token: SeSystemEnvironmentPrivilege 1732 msiexec.exe Token: SeChangeNotifyPrivilege 1732 msiexec.exe Token: SeRemoteShutdownPrivilege 1732 msiexec.exe Token: SeUndockPrivilege 1732 msiexec.exe Token: SeSyncAgentPrivilege 1732 msiexec.exe Token: SeEnableDelegationPrivilege 1732 msiexec.exe Token: SeManageVolumePrivilege 1732 msiexec.exe Token: SeImpersonatePrivilege 1732 msiexec.exe Token: SeCreateGlobalPrivilege 1732 msiexec.exe Token: SeCreateTokenPrivilege 1732 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1732 msiexec.exe Token: SeLockMemoryPrivilege 1732 msiexec.exe Token: SeIncreaseQuotaPrivilege 1732 msiexec.exe Token: SeMachineAccountPrivilege 1732 msiexec.exe Token: SeTcbPrivilege 1732 msiexec.exe Token: SeSecurityPrivilege 1732 msiexec.exe Token: SeTakeOwnershipPrivilege 1732 msiexec.exe Token: SeLoadDriverPrivilege 1732 msiexec.exe Token: SeSystemProfilePrivilege 1732 msiexec.exe Token: SeSystemtimePrivilege 1732 msiexec.exe Token: SeProfSingleProcessPrivilege 1732 msiexec.exe Token: SeIncBasePriorityPrivilege 1732 msiexec.exe Token: SeCreatePagefilePrivilege 1732 msiexec.exe Token: SeCreatePermanentPrivilege 1732 msiexec.exe Token: SeBackupPrivilege 1732 msiexec.exe Token: SeRestorePrivilege 1732 msiexec.exe Token: SeShutdownPrivilege 1732 msiexec.exe Token: SeDebugPrivilege 1732 msiexec.exe Token: SeAuditPrivilege 1732 msiexec.exe Token: SeSystemEnvironmentPrivilege 1732 msiexec.exe Token: SeChangeNotifyPrivilege 1732 msiexec.exe Token: SeRemoteShutdownPrivilege 1732 msiexec.exe Token: SeUndockPrivilege 1732 msiexec.exe Token: SeSyncAgentPrivilege 1732 msiexec.exe Token: SeEnableDelegationPrivilege 1732 msiexec.exe Token: SeManageVolumePrivilege 1732 msiexec.exe Token: SeImpersonatePrivilege 1732 msiexec.exe Token: SeCreateGlobalPrivilege 1732 msiexec.exe Token: SeCreateTokenPrivilege 1732 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1732 msiexec.exe 1732 msiexec.exe -
Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 2164 1088 msiexec.exe 29 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 1316 1088 msiexec.exe 33 PID 1088 wrote to memory of 2468 1088 msiexec.exe 34 PID 1088 wrote to memory of 2468 1088 msiexec.exe 34 PID 1088 wrote to memory of 2468 1088 msiexec.exe 34 PID 1088 wrote to memory of 2468 1088 msiexec.exe 34 PID 1088 wrote to memory of 2468 1088 msiexec.exe 34 PID 1088 wrote to memory of 2468 1088 msiexec.exe 34 PID 1088 wrote to memory of 2468 1088 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\94b8ab735d503884585fdb5a735b3ea3485b6b19c1899939a5b2c0a80616400a.msi1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1732
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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:1088 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 7D5CA3B247C159C02403ED5EA031A74D C2⤵
- Loads dropped DLL
PID:2164
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C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding 240816C72715D9FCA7BC539038D70ED92⤵
- Loads dropped DLL
PID:1316
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C:\Windows\Installer\MSI1B60.tmp"C:\Windows\Installer\MSI1B60.tmp" /DontWait C:/Windows/System32/rundll32.exe C:\Users\Admin\AppData\Local\Putty/setordinal.dll,bhuf2⤵
- Executes dropped EXE
PID:2468
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵PID:2880
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C:\Windows\system32\DrvInst.exeDrvInst.exe "1" "200" "STORAGE\VolumeSnapshot\HarddiskVolumeSnapshot19" "" "" "61530dda3" "0000000000000000" "000000000000052C" "000000000000039C"1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:2976
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Putty/setordinal.dll,bhuf1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2964
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1KB
MD5187840b2b919b70a14c09fc789201c81
SHA198a88908978daced727ce532424132c434433511
SHA25631ba20148da1cb49d95d4e52a75e9b7ba195fddada9d526031e9401662d866c2
SHA512da4e0dc556b5dca7d59f08e6001c0ff10c6316a7fd4d6c74e1715b63193e1f459af9db225ed438d61f9c467d92a1f832cf224f4bb77ee1812cf7868ed8b2fe48
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Filesize
809KB
MD54b8ecaac3e8a17382932e3daa29dc688
SHA13ed854b6fda284fdad105cb158949edd9276cd67
SHA25661925bfd71b4d2be670b0bd373b33645d6af062e5d41cb2b6f6c984acbd69de3
SHA512de0459c85786c97ff1b5b0051139fb30fb56cfba45b56384adf8d813faadda0fde80fe9c5fb99aba356d8f0e43f61a8b1bdc232cf12d5f3ba4c99403d9c7a8e1
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Filesize
436KB
MD5475d20c0ea477a35660e3f67ecf0a1df
SHA167340739f51e1134ae8f0ffc5ae9dd710e8e3a08
SHA256426e6cf199a8268e8a7763ec3a4dd7add982b28c51d89ebea90ca792cbae14dd
SHA51299525aaab2ab608134b5d66b5313e7fc3c2e2877395c5c171897d7a6c66efb26b606de1a4cb01118c2738ea4b6542e4eb4983e631231b3f340bf85e509a9589e
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Filesize
389KB
MD5b9545ed17695a32face8c3408a6a3553
SHA1f6c31c9cd832ae2aebcd88e7b2fa6803ae93fc83
SHA2561e0e63b446eecf6c9781c7d1cae1f46a3bb31654a70612f71f31538fb4f4729a
SHA512f6d6dc40dcba5ff091452d7cc257427dcb7ce2a21816b4fec2ee249e63246b64667f5c4095220623533243103876433ef8c12c9b612c0e95fdfffe41d1504e04