Analysis
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max time kernel
119s -
max time network
119s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
16/11/2021, 19:59
Static task
static1
Behavioral task
behavioral1
Sample
16- 157903.msi
Resource
win7-en-20211014
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
16- 157903.msi
Resource
win10-en-20211104
windows10_x64
0 signatures
0 seconds
General
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Target
16- 157903.msi
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Size
264KB
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MD5
0d259b6b894a65c264395235a3722ab7
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SHA1
17495dc4068697be14ea945960f967f704a92597
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SHA256
2dd1baf72316b8c0f6935f9e80366a35c1566432c142769482c517a0a236a80a
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SHA512
a878b15022e706c31ab2e445b84413512025cd0306146adfa4ce4edabdcc0a29ad822e3d5e2049da63f5a2f3767a0a18c08db7435f82d8eb7a98cb4a6ebd6c6b
Score
8/10
Malware Config
Signatures
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Blocklisted process makes network request 1 IoCs
flow pid Process 2 844 MsiExec.exe -
Loads dropped DLL 2 IoCs
pid Process 844 MsiExec.exe 844 MsiExec.exe -
Enumerates connected drives 3 TTPs 48 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process 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) \??\A: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\G: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\O: 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) \??\I: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\Z: msiexec.exe -
Drops file in Windows directory 4 IoCs
description ioc Process File created C:\Windows\Installer\f75c66b.msi msiexec.exe File opened for modification C:\Windows\Installer\f75c66b.msi msiexec.exe File opened for modification C:\Windows\Installer\MSIC7B2.tmp msiexec.exe File opened for modification C:\Windows\Installer\MSICA04.tmp msiexec.exe -
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.
description flow ioc HTTP User-Agent header 2 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious use of AdjustPrivilegeToken 40 IoCs
description pid Process Token: SeShutdownPrivilege 1552 msiexec.exe Token: SeIncreaseQuotaPrivilege 1552 msiexec.exe Token: SeRestorePrivilege 1360 msiexec.exe Token: SeTakeOwnershipPrivilege 1360 msiexec.exe Token: SeSecurityPrivilege 1360 msiexec.exe Token: SeCreateTokenPrivilege 1552 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 1552 msiexec.exe Token: SeLockMemoryPrivilege 1552 msiexec.exe Token: SeIncreaseQuotaPrivilege 1552 msiexec.exe Token: SeMachineAccountPrivilege 1552 msiexec.exe Token: SeTcbPrivilege 1552 msiexec.exe Token: SeSecurityPrivilege 1552 msiexec.exe Token: SeTakeOwnershipPrivilege 1552 msiexec.exe Token: SeLoadDriverPrivilege 1552 msiexec.exe Token: SeSystemProfilePrivilege 1552 msiexec.exe Token: SeSystemtimePrivilege 1552 msiexec.exe Token: SeProfSingleProcessPrivilege 1552 msiexec.exe Token: SeIncBasePriorityPrivilege 1552 msiexec.exe Token: SeCreatePagefilePrivilege 1552 msiexec.exe Token: SeCreatePermanentPrivilege 1552 msiexec.exe Token: SeBackupPrivilege 1552 msiexec.exe Token: SeRestorePrivilege 1552 msiexec.exe Token: SeShutdownPrivilege 1552 msiexec.exe Token: SeDebugPrivilege 1552 msiexec.exe Token: SeAuditPrivilege 1552 msiexec.exe Token: SeSystemEnvironmentPrivilege 1552 msiexec.exe Token: SeChangeNotifyPrivilege 1552 msiexec.exe Token: SeRemoteShutdownPrivilege 1552 msiexec.exe Token: SeUndockPrivilege 1552 msiexec.exe Token: SeSyncAgentPrivilege 1552 msiexec.exe Token: SeEnableDelegationPrivilege 1552 msiexec.exe Token: SeManageVolumePrivilege 1552 msiexec.exe Token: SeImpersonatePrivilege 1552 msiexec.exe Token: SeCreateGlobalPrivilege 1552 msiexec.exe Token: SeRestorePrivilege 1360 msiexec.exe Token: SeTakeOwnershipPrivilege 1360 msiexec.exe Token: SeRestorePrivilege 1360 msiexec.exe Token: SeTakeOwnershipPrivilege 1360 msiexec.exe Token: SeRestorePrivilege 1360 msiexec.exe Token: SeTakeOwnershipPrivilege 1360 msiexec.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1552 msiexec.exe 1552 msiexec.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 1360 wrote to memory of 844 1360 msiexec.exe 29 PID 1360 wrote to memory of 844 1360 msiexec.exe 29 PID 1360 wrote to memory of 844 1360 msiexec.exe 29 PID 1360 wrote to memory of 844 1360 msiexec.exe 29 PID 1360 wrote to memory of 844 1360 msiexec.exe 29 PID 1360 wrote to memory of 844 1360 msiexec.exe 29 PID 1360 wrote to memory of 844 1360 msiexec.exe 29
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\16- 157903.msi"1⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:1552
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Enumerates connected drives
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\syswow64\MsiExec.exeC:\Windows\syswow64\MsiExec.exe -Embedding F356D920C4B785A3035F46DB6EC9B2A42⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:844
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