Analysis
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max time kernel
95s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
11-09-2024 17:20
Static task
static1
Behavioral task
behavioral1
Sample
6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe
Resource
win10v2004-20240802-en
General
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Target
6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe
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Size
422KB
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MD5
8d577a901d3bc4d5d84cfd938cfefe3e
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SHA1
b96e97a081ef328b6b22d76569ff06ee8f2472d1
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SHA256
6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999
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SHA512
3c3e3ba1890561155746a8ef65bab606be14bf02b3c2b5f59ffd890f56037a356b0deafdf7c748cbe6b79370b0dbd2b9fe38515c62b6fe14aa2855bb2eb2a49e
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SSDEEP
6144:mP+lSXQSvJaNuY41WxdQWvJpbp6csssruC4x6SI4U2401iHP6B:/lYJZY4QxqSf6KES9UaIHi
Malware Config
Extracted
gcleaner
80.66.75.114
45.91.200.135
Signatures
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 10 IoCs
Processes:
WerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exeWerFault.exepid pid_target process target process 3840 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 4288 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 3324 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 3900 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 224 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 2324 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 4804 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 4904 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 1868 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe 2844 4792 WerFault.exe 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.execmd.exetaskkill.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid process 4584 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid process Token: SeDebugPrivilege 4584 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.execmd.exedescription pid process target process PID 4792 wrote to memory of 4332 4792 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe cmd.exe PID 4792 wrote to memory of 4332 4792 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe cmd.exe PID 4792 wrote to memory of 4332 4792 6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe cmd.exe PID 4332 wrote to memory of 4584 4332 cmd.exe taskkill.exe PID 4332 wrote to memory of 4584 4332 cmd.exe taskkill.exe PID 4332 wrote to memory of 4584 4332 cmd.exe taskkill.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe"C:\Users\Admin\AppData\Local\Temp\6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 4522⤵
- Program crash
PID:3840 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 4762⤵
- Program crash
PID:4288 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 7482⤵
- Program crash
PID:3324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 7682⤵
- Program crash
PID:3900 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 7682⤵
- Program crash
PID:224 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 7482⤵
- Program crash
PID:2324 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 9122⤵
- Program crash
PID:4804 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 9882⤵
- Program crash
PID:4904 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 15682⤵
- Program crash
PID:1868 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4332 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "6a1af23d03fbc1a0fc9a1548b254ea36276e3e5ac3de2f4fdd4f3ddead421999.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4584 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 15522⤵
- Program crash
PID:2844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4792 -ip 47921⤵PID:3056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4792 -ip 47921⤵PID:2824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4792 -ip 47921⤵PID:1500
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4792 -ip 47921⤵PID:1580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4792 -ip 47921⤵PID:3196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4792 -ip 47921⤵PID:1676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4792 -ip 47921⤵PID:536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4792 -ip 47921⤵PID:704
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4792 -ip 47921⤵PID:5052
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4792 -ip 47921⤵PID:5112
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99