Resubmissions
13/04/2023, 18:33
230413-w6723sdd37 813/04/2023, 18:16
230413-wwy2esdc55 813/04/2023, 18:14
230413-wvax7see6v 8Analysis
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max time kernel
130s -
max time network
97s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
13/04/2023, 18:16
Static task
static1
Behavioral task
behavioral1
Sample
Thsi One.zip
Resource
win7-20230220-en
windows7-x64
Behavioral task
behavioral2
Sample
Thsi One.zip
Resource
win10v2004-20230220-en
windows10-2004-x64
Behavioral task
behavioral3
Sample
MSWUTL_V25700E.msi
Resource
win7-20230220-en
windows7-x64
Behavioral task
behavioral4
Sample
MSWUTL_V25700E.msi
Resource
win10v2004-20230220-en
windows10-2004-x64
General
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Target
MSWUTL_V25700E.msi
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Size
6.9MB
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MD5
ef8fc6a5e66fc374c8fe0f232a55dc1d
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SHA1
f8c65370d84fda8852b3bac8ccd37262c42ad984
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SHA256
e377551388878b2ba2d5540cd2e8c0f718cbd5e66855d83b32555f1123c0acd2
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SHA512
ebc33b3a4b1aecb596afab993fc39066a7d4b25af3eb1e1702cf03e00fbabbba29f3e283f32797bf69701033a4811a68a5fe293c8cbc75e3b996a5f983319a2d
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SSDEEP
196608:DALAb45mVd+EOa3SlqG5whkNVAT+aJK5Adzhqgm8WDGt:DALAk5mOERClqG5whuI+MdpvWDG
Malware Config
Signatures
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Blocklisted process makes network request 4 IoCs
flow pid Process 2 852 msiexec.exe 4 852 msiexec.exe 6 852 msiexec.exe 8 852 msiexec.exe -
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) \??\G: msiexec.exe File opened (read-only) \??\I: msiexec.exe File opened (read-only) \??\L: msiexec.exe File opened (read-only) \??\T: msiexec.exe File opened (read-only) \??\W: msiexec.exe File opened (read-only) \??\X: msiexec.exe File opened (read-only) \??\Z: msiexec.exe File opened (read-only) \??\B: msiexec.exe File opened (read-only) \??\K: msiexec.exe File opened (read-only) \??\S: msiexec.exe File opened (read-only) \??\H: msiexec.exe File opened (read-only) \??\M: msiexec.exe File opened (read-only) \??\O: msiexec.exe File opened (read-only) \??\P: msiexec.exe File opened (read-only) \??\R: msiexec.exe File opened (read-only) \??\U: msiexec.exe File opened (read-only) \??\V: msiexec.exe File opened (read-only) \??\J: msiexec.exe File opened (read-only) \??\E: msiexec.exe File opened (read-only) \??\F: msiexec.exe File opened (read-only) \??\N: msiexec.exe File opened (read-only) \??\Q: msiexec.exe File opened (read-only) \??\Y: msiexec.exe File opened (read-only) \??\A: msiexec.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\ven2232.olb msiexec.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 852 msiexec.exe -
Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeShutdownPrivilege 852 msiexec.exe Token: SeIncreaseQuotaPrivilege 852 msiexec.exe Token: SeRestorePrivilege 1504 msiexec.exe Token: SeTakeOwnershipPrivilege 1504 msiexec.exe Token: SeSecurityPrivilege 1504 msiexec.exe Token: SeCreateTokenPrivilege 852 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 852 msiexec.exe Token: SeLockMemoryPrivilege 852 msiexec.exe Token: SeIncreaseQuotaPrivilege 852 msiexec.exe Token: SeMachineAccountPrivilege 852 msiexec.exe Token: SeTcbPrivilege 852 msiexec.exe Token: SeSecurityPrivilege 852 msiexec.exe Token: SeTakeOwnershipPrivilege 852 msiexec.exe Token: SeLoadDriverPrivilege 852 msiexec.exe Token: SeSystemProfilePrivilege 852 msiexec.exe Token: SeSystemtimePrivilege 852 msiexec.exe Token: SeProfSingleProcessPrivilege 852 msiexec.exe Token: SeIncBasePriorityPrivilege 852 msiexec.exe Token: SeCreatePagefilePrivilege 852 msiexec.exe Token: SeCreatePermanentPrivilege 852 msiexec.exe Token: SeBackupPrivilege 852 msiexec.exe Token: SeRestorePrivilege 852 msiexec.exe Token: SeShutdownPrivilege 852 msiexec.exe Token: SeDebugPrivilege 852 msiexec.exe Token: SeAuditPrivilege 852 msiexec.exe Token: SeSystemEnvironmentPrivilege 852 msiexec.exe Token: SeChangeNotifyPrivilege 852 msiexec.exe Token: SeRemoteShutdownPrivilege 852 msiexec.exe Token: SeUndockPrivilege 852 msiexec.exe Token: SeSyncAgentPrivilege 852 msiexec.exe Token: SeEnableDelegationPrivilege 852 msiexec.exe Token: SeManageVolumePrivilege 852 msiexec.exe Token: SeImpersonatePrivilege 852 msiexec.exe Token: SeCreateGlobalPrivilege 852 msiexec.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 852 msiexec.exe
Processes
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C:\Windows\system32\msiexec.exemsiexec.exe /I C:\Users\Admin\AppData\Local\Temp\MSWUTL_V25700E.msi1⤵
- Blocklisted process makes network request
- Enumerates connected drives
- Drops file in System32 directory
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:852
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
PID:1504
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
61KB
MD5e71c8443ae0bc2e282c73faead0a6dd3
SHA10c110c1b01e68edfacaeae64781a37b1995fa94b
SHA25695b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72
SHA512b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6