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Analysis
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max time kernel
147s -
max time network
193s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 02:52
Static task
static1
Behavioral task
behavioral1
Sample
f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe
Resource
win10v2004-20220812-en
General
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Target
f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe
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Size
2.6MB
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MD5
7af3a8b10abff2ae20a04b3b1adc7be8
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SHA1
9f6f50ae8aab91aeb776274e32e5aabca76279cd
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SHA256
f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6
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SHA512
aec022fd0fa7c670a41d73ffd55d8fe17152711ed66d50481e5dbede679b8167ac285121e1aae677e286a95df5bb2cd15e740aa5a1326b18ce5608dae620f2c3
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SSDEEP
49152:EGM4GOrnHwDQSkRfYNjX5+nCi1a67GV+d4L28hUZzqmZxPHvLm48fXqG:RDGnkRWN+Ci067DeL2iUZz9ZdvyjfX7
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 2 IoCs
pid pid_target Process procid_target 1736 4744 WerFault.exe 78 228 4744 WerFault.exe 78 -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4744 wrote to memory of 1736 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe 83 PID 4744 wrote to memory of 1736 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe 83 PID 4744 wrote to memory of 1736 4744 f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe"C:\Users\Admin\AppData\Local\Temp\f29641fb05044cc7fdff68fa2a80bb0af0a769d04791f25bc4d28cb64bfde2a6.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4744 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 12882⤵
- Program crash
PID:1736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 12882⤵
- Program crash
PID:228
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4744 -ip 47441⤵PID:2012
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
67KB
MD5d0f2416807f04c559e6394a0a4c7f1d1
SHA17df43ffa3716156d282b1e37d12dd1122f0a762c
SHA2560fe6a869cf220769a058f8d281f272ef72669e3587673e52b53f3f9650dcf1fc
SHA5128199c967ad813216f2ef3094a7614c9ccc95d35a817fc685cb7823f36cc97f0279bddd0ec0bb8f07ee2445476aaea35548516841ee9cde53a8be395515457799