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Analysis
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max time kernel
142s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 04:31
Static task
static1
Behavioral task
behavioral1
Sample
a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll
Resource
win10v2004-20220812-en
General
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Target
a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll
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Size
64KB
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MD5
ac54cd6eeca22af61a18f3e1b3eb1039
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SHA1
6207be540bdcbd588395fab4779fafb2ea238737
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SHA256
a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665
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SHA512
61a3dfc81c645e6e3dfaa291fdb59c1649de739c0ac0e973adfe172f91013add139a921c8e12413f62e4cf6d98746c082e8133ba747fd44cd053e1c738546694
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SSDEEP
768:75ZBpuOTZZLjK3o5mVVraDh18Rh+WAz10iAceNretN/QwmGXLljL89QgX:D/xZfDe+Wm0p0t1QlGX5QL
Malware Config
Signatures
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Modifies AppInit DLL entries 2 TTPs
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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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation cmd.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Modifies registry class 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\regfile\shell\open\command\ = "regedit.exe /s \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000_Classes\Local Settings cmd.exe -
Runs .reg file with regedit 1 IoCs
pid Process 4560 regedit.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 376 rundll32.exe 376 rundll32.exe 376 rundll32.exe 376 rundll32.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 644 wrote to memory of 376 644 rundll32.exe 80 PID 644 wrote to memory of 376 644 rundll32.exe 80 PID 644 wrote to memory of 376 644 rundll32.exe 80 PID 376 wrote to memory of 1356 376 rundll32.exe 81 PID 376 wrote to memory of 1356 376 rundll32.exe 81 PID 376 wrote to memory of 1356 376 rundll32.exe 81 PID 1356 wrote to memory of 4560 1356 cmd.exe 83 PID 1356 wrote to memory of 4560 1356 cmd.exe 83 PID 1356 wrote to memory of 4560 1356 cmd.exe 83
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:644 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\a006e853a225f612c0b4040ad8009566717867aa51d5bbc1132770bc299fc665.dll,#12⤵
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:376 -
C:\Windows\SysWOW64\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\a.reg3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1356 -
C:\Windows\SysWOW64\regedit.exe"regedit.exe" /s "C:\Users\Admin\AppData\Local\Temp\a.reg"4⤵
- Runs .reg file with regedit
PID:4560
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
152B
MD5b100f5324ef74ded0b998e64d07a2e19
SHA140b0d7f51bf2dd8451f1b723d21355c471a5fa46
SHA2563db613d24a75ae220891698c055e1c580a42e58564f568a0510db87581cc2042
SHA512c12391bb37c334074f7d7e1257b6364fd5cbce848e0a8fe15b8326f54fd9568fe3baec58618c4334027a774a06a08ec249cb71db925c1f85feee6a3d3a816c04