Analysis
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max time kernel
151s -
max time network
42s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
20/10/2022, 16:37
Static task
static1
Behavioral task
behavioral1
Sample
f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
6 signatures
150 seconds
General
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Target
f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll
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Size
26KB
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MD5
96d80fd9958b1b9df459966e3707f010
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SHA1
5e51c50566b972d3c79b0498c9378cd322da197f
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SHA256
f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962
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SHA512
e45b493dd01197b8e05c47f35f71fc67126984ac7508bcb90dea29fd7a47a891d0beed4f8b8854d8281c7637eac79c3b00fadf7ab29b2a08e51eb8a1889ad767
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SSDEEP
768:8dhhTEcRo6XVGbQJ3GaNcfITf1DBDNVLuGVL:AfiCVMQJ2aNRf5BvVL
Score
5/10
Malware Config
Signatures
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Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\oficx.dll rundll32.exe File opened for modification C:\Windows\oficx.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9}\InProcServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{fbeb8a05-beee-4442-804e-409d6c4515e9} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6} rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{7B3AC3FA-B695-41b6-BAA0-860EB5EB6FD6}\{F69EB73C-700A-42c9-8F9D-E8C4ABC27EF3} = "f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll,1293806123,-321515699,-1814625877" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe 984 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1672 wrote to memory of 1644 1672 rundll32.exe 27 PID 1644 wrote to memory of 984 1644 rundll32.exe 28 PID 1644 wrote to memory of 984 1644 rundll32.exe 28 PID 1644 wrote to memory of 984 1644 rundll32.exe 28 PID 1644 wrote to memory of 984 1644 rundll32.exe 28 PID 1644 wrote to memory of 984 1644 rundll32.exe 28 PID 1644 wrote to memory of 984 1644 rundll32.exe 28 PID 1644 wrote to memory of 984 1644 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1672 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll,#12⤵
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1644 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\oficx.dll",_RunAs@163⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:984
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
26KB
MD596d80fd9958b1b9df459966e3707f010
SHA15e51c50566b972d3c79b0498c9378cd322da197f
SHA256f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962
SHA512e45b493dd01197b8e05c47f35f71fc67126984ac7508bcb90dea29fd7a47a891d0beed4f8b8854d8281c7637eac79c3b00fadf7ab29b2a08e51eb8a1889ad767