Analysis
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max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
22/02/2024, 01:19
Static task
static1
Behavioral task
behavioral1
Sample
ImStudio-win64.msi
Resource
win7-20240221-en
windows7-x64
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
ImStudio-win64.msi
Resource
win10v2004-20240221-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
ImStudio-win64.msi
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Size
736KB
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MD5
20a2a11b15ac776df644448d667ddfff
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SHA1
1a35e4b0a8ff008f68a0056abb5b16554a4cbfd3
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SHA256
43a66fb504f57edb8f63bc11f3b07bb93b826033cf4377bc7658d9491c8c24c0
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SHA512
70f3b2751c8b19b6c0b975dcd43c8133e24d8b79a6803a84e3a30ef085a93faff8e86895096f184098892847a36a2fc91afc2fff7e9a4602b2c61ec0bfbc10b5
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SSDEEP
12288:nRb9DskMW1pFLQDdyoRDy4cgj/jfCLEo7wsrEtex5Vk:h9D6W1pFLQDdyQxcgvawQ5
Score
6/10
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\H: msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1968 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeShutdownPrivilege 1968 msiexec.exe Token: SeIncreaseQuotaPrivilege 1968 msiexec.exe Token: SeRestorePrivilege 2592 msiexec.exe Token: SeTakeOwnershipPrivilege 2592 msiexec.exe Token: SeSecurityPrivilege 2592 msiexec.exe Token: SeCreateTokenPrivilege 1968 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1968 msiexec.exe Token: SeLockMemoryPrivilege 1968 msiexec.exe Token: SeIncreaseQuotaPrivilege 1968 msiexec.exe Token: SeMachineAccountPrivilege 1968 msiexec.exe Token: SeTcbPrivilege 1968 msiexec.exe Token: SeSecurityPrivilege 1968 msiexec.exe Token: SeTakeOwnershipPrivilege 1968 msiexec.exe Token: SeLoadDriverPrivilege 1968 msiexec.exe Token: SeSystemProfilePrivilege 1968 msiexec.exe Token: SeSystemtimePrivilege 1968 msiexec.exe Token: SeProfSingleProcessPrivilege 1968 msiexec.exe Token: SeIncBasePriorityPrivilege 1968 msiexec.exe Token: SeCreatePagefilePrivilege 1968 msiexec.exe Token: SeCreatePermanentPrivilege 1968 msiexec.exe Token: SeBackupPrivilege 1968 msiexec.exe Token: SeRestorePrivilege 1968 msiexec.exe Token: SeShutdownPrivilege 1968 msiexec.exe Token: SeDebugPrivilege 1968 msiexec.exe Token: SeAuditPrivilege 1968 msiexec.exe Token: SeSystemEnvironmentPrivilege 1968 msiexec.exe Token: SeChangeNotifyPrivilege 1968 msiexec.exe Token: SeRemoteShutdownPrivilege 1968 msiexec.exe Token: SeUndockPrivilege 1968 msiexec.exe Token: SeSyncAgentPrivilege 1968 msiexec.exe Token: SeEnableDelegationPrivilege 1968 msiexec.exe Token: SeManageVolumePrivilege 1968 msiexec.exe Token: SeImpersonatePrivilege 1968 msiexec.exe Token: SeCreateGlobalPrivilege 1968 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1968 msiexec.exe
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\ImStudio-win64.msi1⤵
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1968
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2592