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Analysis
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max time kernel
414s -
max time network
419s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
12/05/2023, 14:29
Static task
static1
Behavioral task
behavioral1
Sample
AltInstaller.msi
Resource
win7-20230220-en
windows7-x64
Behavioral task
behavioral2
Sample
AltInstaller.msi
Resource
win10-20230220-en
windows10-1703-x64
Behavioral task
behavioral3
Sample
AltInstaller.msi
Resource
win10v2004-20230220-en
windows10-2004-x64
Behavioral task
behavioral4
Sample
setup.exe
Resource
win7-20230220-en
windows7-x64
Behavioral task
behavioral5
Sample
setup.exe
Resource
win10-20230220-en
windows10-1703-x64
Behavioral task
behavioral6
Sample
setup.exe
Resource
win10v2004-20230220-en
windows10-2004-x64
General
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Target
AltInstaller.msi
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Size
6.4MB
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MD5
69283c93e4313778fb572173c2eda692
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SHA1
02ad06ff30a170a58fdb4012a974ea593830beae
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SHA256
76098686faa6dfad700cc667fd26ff975fd02602bf7ff6a4a0d57098d029519d
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SHA512
ed98dd4b32959802f3ebc0e1f79801f70823b47b6847fcc7f6d8a01ba88ad2e2b2b5061eb4aabe567962d7b8c156f42bedf0918b1f41c9ee37a2772827e7849b
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SSDEEP
196608:rL1TzVCmQThxI8FQBaNzAhrbDmU4HwUFNN1nOtXqD5fg:rL1TzVAIortAlbaURUdOk9f
Malware Config
Signatures
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Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\A: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\N: 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) \??\X: msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2016 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeShutdownPrivilege 2016 msiexec.exe Token: SeIncreaseQuotaPrivilege 2016 msiexec.exe Token: SeRestorePrivilege 1996 msiexec.exe Token: SeTakeOwnershipPrivilege 1996 msiexec.exe Token: SeSecurityPrivilege 1996 msiexec.exe Token: SeCreateTokenPrivilege 2016 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2016 msiexec.exe Token: SeLockMemoryPrivilege 2016 msiexec.exe Token: SeIncreaseQuotaPrivilege 2016 msiexec.exe Token: SeMachineAccountPrivilege 2016 msiexec.exe Token: SeTcbPrivilege 2016 msiexec.exe Token: SeSecurityPrivilege 2016 msiexec.exe Token: SeTakeOwnershipPrivilege 2016 msiexec.exe Token: SeLoadDriverPrivilege 2016 msiexec.exe Token: SeSystemProfilePrivilege 2016 msiexec.exe Token: SeSystemtimePrivilege 2016 msiexec.exe Token: SeProfSingleProcessPrivilege 2016 msiexec.exe Token: SeIncBasePriorityPrivilege 2016 msiexec.exe Token: SeCreatePagefilePrivilege 2016 msiexec.exe Token: SeCreatePermanentPrivilege 2016 msiexec.exe Token: SeBackupPrivilege 2016 msiexec.exe Token: SeRestorePrivilege 2016 msiexec.exe Token: SeShutdownPrivilege 2016 msiexec.exe Token: SeDebugPrivilege 2016 msiexec.exe Token: SeAuditPrivilege 2016 msiexec.exe Token: SeSystemEnvironmentPrivilege 2016 msiexec.exe Token: SeChangeNotifyPrivilege 2016 msiexec.exe Token: SeRemoteShutdownPrivilege 2016 msiexec.exe Token: SeUndockPrivilege 2016 msiexec.exe Token: SeSyncAgentPrivilege 2016 msiexec.exe Token: SeEnableDelegationPrivilege 2016 msiexec.exe Token: SeManageVolumePrivilege 2016 msiexec.exe Token: SeImpersonatePrivilege 2016 msiexec.exe Token: SeCreateGlobalPrivilege 2016 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 2016 msiexec.exe
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\AltInstaller.msi1⤵
- Enumerates connected drives
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2016
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1996