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Analysis
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max time kernel
119s -
max time network
115s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
10/10/2024, 11:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92N.dll
Resource
win7-20240903-en
windows7-x64
8 signatures
120 seconds
Behavioral task
behavioral2
Sample
b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92N.dll
Resource
win10v2004-20241007-en
windows10-2004-x64
9 signatures
120 seconds
General
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Target
b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92N.dll
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Size
48KB
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MD5
c53e0c2250563d06cca42ff400500d20
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SHA1
75cfedcfc7e744e8fa226dcf9f608b4ac18ac65f
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SHA256
b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92
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SHA512
77b8b83d7a8faa4ce71a5202b142162233fbaefd35a3f8cf92de6419f86455b2ef1f4f20d12d350b286dee80fbbba2ed12fb8f505d9a300df49528d7d34f20ed
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SSDEEP
768:mRpisvuzgdwMG9hl7c1McuEcnf99AOVhfop38:WplSbm1arAOnfSM
Score
7/10
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation rundll32.exe -
Loads dropped DLL 1 IoCs
pid Process 2868 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared\omxbyw.dll rundll32.exe File created C:\Program Files\Common Files\Microsoft Shared\omxbyw.dll rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regedit.exe -
Runs .reg file with regedit 1 IoCs
pid Process 1832 regedit.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe 2868 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe Token: SeDebugPrivilege 2868 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3412 wrote to memory of 2084 3412 rundll32.exe 85 PID 3412 wrote to memory of 2084 3412 rundll32.exe 85 PID 3412 wrote to memory of 2084 3412 rundll32.exe 85 PID 2084 wrote to memory of 1832 2084 rundll32.exe 87 PID 2084 wrote to memory of 1832 2084 rundll32.exe 87 PID 2084 wrote to memory of 1832 2084 rundll32.exe 87 PID 2084 wrote to memory of 2868 2084 rundll32.exe 88 PID 2084 wrote to memory of 2868 2084 rundll32.exe 88 PID 2084 wrote to memory of 2868 2084 rundll32.exe 88
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92N.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3412 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92N.dll,#12⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084 -
C:\Windows\SysWOW64\regedit.exeregedit.exe -s "C:\Users\Admin\AppData\Local\Temp\omxbywreg.reg"3⤵
- System Location Discovery: System Language Discovery
- Runs .reg file with regedit
PID:1832
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" "C:\Program Files\Common Files\Microsoft Shared\omxbyw.dll",polmxhat3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2868
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5c53e0c2250563d06cca42ff400500d20
SHA175cfedcfc7e744e8fa226dcf9f608b4ac18ac65f
SHA256b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92
SHA51277b8b83d7a8faa4ce71a5202b142162233fbaefd35a3f8cf92de6419f86455b2ef1f4f20d12d350b286dee80fbbba2ed12fb8f505d9a300df49528d7d34f20ed