Analysis
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max time kernel
154s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
20/10/2022, 16:37
Static task
static1
Behavioral task
behavioral1
Sample
f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll
Resource
win7-20220812-en
windows7-x64
Behavioral task
behavioral2
Sample
f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962.dll
Resource
win10v2004-20220812-en
windows10-2004-x64
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
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 1240 rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs
pid Process 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\oficx.dll rundll32.exe File created C:\Windows\oficx.dll rundll32.exe -
Modifies registry class 5 IoCs
description ioc Process 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 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe 1240 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4180 wrote to memory of 4580 4180 rundll32.exe 83 PID 4180 wrote to memory of 4580 4180 rundll32.exe 83 PID 4180 wrote to memory of 4580 4180 rundll32.exe 83 PID 4580 wrote to memory of 1240 4580 rundll32.exe 84 PID 4580 wrote to memory of 1240 4580 rundll32.exe 84 PID 4580 wrote to memory of 1240 4580 rundll32.exe 84
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:4180 -
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:4580 -
C:\Windows\SysWOW64\rundll32.exerundll32 "C:\Windows\oficx.dll",_RunAs@163⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:1240
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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
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Filesize
26KB
MD596d80fd9958b1b9df459966e3707f010
SHA15e51c50566b972d3c79b0498c9378cd322da197f
SHA256f1832cd80478ccc91587f523da635df7692081284a823e07ae53308935f6f962
SHA512e45b493dd01197b8e05c47f35f71fc67126984ac7508bcb90dea29fd7a47a891d0beed4f8b8854d8281c7637eac79c3b00fadf7ab29b2a08e51eb8a1889ad767