Analysis
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max time kernel
106s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01-04-2023 06:21
Static task
static1
Behavioral task
behavioral1
Sample
411e9fea926f54e6c213adeedc05d03e.exe
Resource
win7-20230220-en
General
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Target
411e9fea926f54e6c213adeedc05d03e.exe
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Size
311KB
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MD5
411e9fea926f54e6c213adeedc05d03e
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SHA1
c284cc7f373e9e512b8e8a0b5e127e5959b09eec
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SHA256
25a2a5069c502b7aafebbdf26a2d80225774f39f537f2d1b03e3099300d6b3f9
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SHA512
91fa1f6128b5aafb84f5dd8dbf13f84a2e35fc04212a6f1a358fa505cf9f1fb0f34973e002e91ac9dc41c19c7bdab0cdf9eddb08883271dde57b2baecca278e9
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SSDEEP
3072:3vbbKTou4/uz4jtXl9aYWRF6s8cEv5AWXIwtzIzEP1jq/9RovU46QDTY/+lHViv:kN4G0jt88DuWYwd1jqzovp8/6EzzHpK
Malware Config
Extracted
gcleaner
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
411e9fea926f54e6c213adeedc05d03e.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-1529757233-3489015626-3409890339-1000\Control Panel\International\Geo\Nation 411e9fea926f54e6c213adeedc05d03e.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 9 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 4540 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 1808 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 740 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 1992 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 4680 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 2588 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 4164 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 3836 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe 4776 1436 WerFault.exe 411e9fea926f54e6c213adeedc05d03e.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 2108 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 2108 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
411e9fea926f54e6c213adeedc05d03e.execmd.exedescription pid process target process PID 1436 wrote to memory of 3900 1436 411e9fea926f54e6c213adeedc05d03e.exe cmd.exe PID 1436 wrote to memory of 3900 1436 411e9fea926f54e6c213adeedc05d03e.exe cmd.exe PID 1436 wrote to memory of 3900 1436 411e9fea926f54e6c213adeedc05d03e.exe cmd.exe PID 3900 wrote to memory of 2108 3900 cmd.exe taskkill.exe PID 3900 wrote to memory of 2108 3900 cmd.exe taskkill.exe PID 3900 wrote to memory of 2108 3900 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\411e9fea926f54e6c213adeedc05d03e.exe"C:\Users\Admin\AppData\Local\Temp\411e9fea926f54e6c213adeedc05d03e.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 4522⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 7722⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 7802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 7802⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 8362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 9282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 9322⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 13802⤵
- Program crash
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "411e9fea926f54e6c213adeedc05d03e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\411e9fea926f54e6c213adeedc05d03e.exe" & exit2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /im "411e9fea926f54e6c213adeedc05d03e.exe" /f3⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 4642⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 14361⤵
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 14361⤵