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Analysis
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max time kernel
119s -
max time network
114s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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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Loads dropped DLL 4 IoCs
pid Process 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe -
Drops file in Program Files directory 2 IoCs
description ioc Process File created C:\Program Files\Common Files\Microsoft Shared\omxbyw.dll rundll32.exe File opened for modification 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 regedit.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Runs .reg file with regedit 1 IoCs
pid Process 2352 regedit.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe 2052 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe Token: SeDebugPrivilege 2052 rundll32.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 2060 wrote to memory of 1788 2060 rundll32.exe 30 PID 1788 wrote to memory of 2352 1788 rundll32.exe 31 PID 1788 wrote to memory of 2352 1788 rundll32.exe 31 PID 1788 wrote to memory of 2352 1788 rundll32.exe 31 PID 1788 wrote to memory of 2352 1788 rundll32.exe 31 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32 PID 1788 wrote to memory of 2052 1788 rundll32.exe 32
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:2060 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1875fc33aba054fcff9a9249e7e1837c7beb46a59b3ddc5601db0adae02ff92N.dll,#12⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1788 -
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:2352
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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:2052
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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