Analysis
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max time kernel
142s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
19/07/2023, 09:25
Static task
static1
Behavioral task
behavioral1
Sample
check_mk_agent.msi
Resource
win7-20230712-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
check_mk_agent.msi
Resource
win10v2004-20230703-en
windows10-2004-x64
4 signatures
150 seconds
General
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Target
check_mk_agent.msi
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Size
11.5MB
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MD5
4a73c31037ca2b42589a22edd5bf80f7
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SHA1
f3ec31a36e40e4ec190855036827f6f3f877dc34
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SHA256
8fc2dd6a8136c49eae5adb050b0d85dc3b476eea53dc3716ec5771b4469f5dfe
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SHA512
508ca798062d8cd33969d6a69412a36b4a1774004b9f2450cb6465d22389f8332ab96b328a25467eea5ece6ada269aa3a2184a01d2cad60c0fa208e27fb22b8c
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SSDEEP
196608:ZAjzWdL9t6zdDU/9UAYeCiVkZgaixdMN9:ZAjzcLyJD29UAYekgaixdMN
Score
8/10
Malware Config
Signatures
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Blocklisted process makes network request 3 IoCs
flow pid Process 4 1336 msiexec.exe 6 1336 msiexec.exe 8 1336 msiexec.exe -
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) \??\O: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\T: 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) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\U: msiexec.exe -
Suspicious use of AdjustPrivilegeToken 32 IoCs
description pid Process Token: SeShutdownPrivilege 1336 msiexec.exe Token: SeIncreaseQuotaPrivilege 1336 msiexec.exe Token: SeSecurityPrivilege 1048 msiexec.exe Token: SeCreateTokenPrivilege 1336 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1336 msiexec.exe Token: SeLockMemoryPrivilege 1336 msiexec.exe Token: SeIncreaseQuotaPrivilege 1336 msiexec.exe Token: SeMachineAccountPrivilege 1336 msiexec.exe Token: SeTcbPrivilege 1336 msiexec.exe Token: SeSecurityPrivilege 1336 msiexec.exe Token: SeTakeOwnershipPrivilege 1336 msiexec.exe Token: SeLoadDriverPrivilege 1336 msiexec.exe Token: SeSystemProfilePrivilege 1336 msiexec.exe Token: SeSystemtimePrivilege 1336 msiexec.exe Token: SeProfSingleProcessPrivilege 1336 msiexec.exe Token: SeIncBasePriorityPrivilege 1336 msiexec.exe Token: SeCreatePagefilePrivilege 1336 msiexec.exe Token: SeCreatePermanentPrivilege 1336 msiexec.exe Token: SeBackupPrivilege 1336 msiexec.exe Token: SeRestorePrivilege 1336 msiexec.exe Token: SeShutdownPrivilege 1336 msiexec.exe Token: SeDebugPrivilege 1336 msiexec.exe Token: SeAuditPrivilege 1336 msiexec.exe Token: SeSystemEnvironmentPrivilege 1336 msiexec.exe Token: SeChangeNotifyPrivilege 1336 msiexec.exe Token: SeRemoteShutdownPrivilege 1336 msiexec.exe Token: SeUndockPrivilege 1336 msiexec.exe Token: SeSyncAgentPrivilege 1336 msiexec.exe Token: SeEnableDelegationPrivilege 1336 msiexec.exe Token: SeManageVolumePrivilege 1336 msiexec.exe Token: SeImpersonatePrivilege 1336 msiexec.exe Token: SeCreateGlobalPrivilege 1336 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1336 msiexec.exe
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\check_mk_agent.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1336
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1048