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Analysis
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max time kernel
95s -
max time network
97s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
09/09/2024, 20:46
Static task
static1
Behavioral task
behavioral1
Sample
76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe
Resource
win10v2004-20240802-en
General
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Target
76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe
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Size
388KB
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MD5
7c8a91f6fdcc13734b0b6e2291ff4d98
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SHA1
e900c9645c8a0883820306f37fd56ae983625ac1
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SHA256
76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4
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SHA512
85a341a5f9be6bbbce9a07b10ae9181c94129948e8238afbd2110a5e6527531320d9dc07cee36aed67010e618ecb500ab178190c99909791ed7bbe2c76bc0bef
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SSDEEP
6144:p9I32m12dx4lkg6gUSbyBms4KuELE4OHja1jjY/f:pamm2d0rUoims4Jz4OE
Malware Config
Extracted
gcleaner
80.66.75.114
Signatures
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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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation 76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 7 IoCs
pid pid_target Process procid_target 1428 4984 WerFault.exe 82 3380 4984 WerFault.exe 82 4368 4984 WerFault.exe 82 4108 4984 WerFault.exe 82 2644 4984 WerFault.exe 82 1124 4984 WerFault.exe 82 2876 4984 WerFault.exe 82 -
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.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
pid Process 3572 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3572 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4984 wrote to memory of 3060 4984 76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe 109 PID 4984 wrote to memory of 3060 4984 76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe 109 PID 4984 wrote to memory of 3060 4984 76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe 109 PID 3060 wrote to memory of 3572 3060 cmd.exe 111 PID 3060 wrote to memory of 3572 3060 cmd.exe 111 PID 3060 wrote to memory of 3572 3060 cmd.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe"C:\Users\Admin\AppData\Local\Temp\76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4984 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 7402⤵
- Program crash
PID:1428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 7802⤵
- Program crash
PID:3380
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 7802⤵
- Program crash
PID:4368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 8482⤵
- Program crash
PID:4108
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 9442⤵
- Program crash
PID:2644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 9442⤵
- Program crash
PID:1124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4984 -s 14322⤵
- Program crash
PID:2876
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "76c6729c20c95f1102082bb7af14713e8797f750db7f5bcde4ab507011ef05f4.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3572
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4984 -ip 49841⤵PID:3824
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4984 -ip 49841⤵PID:4476
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4984 -ip 49841⤵PID:3132
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4984 -ip 49841⤵PID:944
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4984 -ip 49841⤵PID:2932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4984 -ip 49841⤵PID:2348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4984 -ip 49841⤵PID:2808
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99