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Analysis
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max time kernel
95s -
max time network
102s -
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, 12:57
Static task
static1
Behavioral task
behavioral1
Sample
855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe
Resource
win10v2004-20240802-en
General
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Target
855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe
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Size
432KB
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MD5
13b99c08710adb2280ce0cb40a06344a
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SHA1
623836ea5867ce1b6198929c57a77b08ed0b1ce9
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SHA256
855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1
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SHA512
d82fb528bdf1aa57440299a78c34ecc80984f050da4131cf14a40e2d66b679df7ee60265163c9925e00d057edc4fa9356bd1a817a708110e446e1a6dde2aa07f
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SSDEEP
6144:j1TaPOEzf46bCPVvFvstUQsUjmFTjNEJpbfCtX8jLOK+lsO:BaGEzQ6bCPtKtlZhDbKtMub
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.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 10 IoCs
pid pid_target Process procid_target 4256 2308 WerFault.exe 82 5004 2308 WerFault.exe 82 868 2308 WerFault.exe 82 4304 2308 WerFault.exe 82 1612 2308 WerFault.exe 82 2840 2308 WerFault.exe 82 2680 2308 WerFault.exe 82 3768 2308 WerFault.exe 82 3148 2308 WerFault.exe 82 5024 2308 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 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.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 1528 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1528 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2308 wrote to memory of 4900 2308 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe 114 PID 2308 wrote to memory of 4900 2308 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe 114 PID 2308 wrote to memory of 4900 2308 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe 114 PID 4900 wrote to memory of 1528 4900 cmd.exe 118 PID 4900 wrote to memory of 1528 4900 cmd.exe 118 PID 4900 wrote to memory of 1528 4900 cmd.exe 118
Processes
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C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe"C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 4442⤵
- Program crash
PID:4256
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 5122⤵
- Program crash
PID:5004
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 7482⤵
- Program crash
PID:868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 7562⤵
- Program crash
PID:4304
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 7722⤵
- Program crash
PID:1612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 8442⤵
- Program crash
PID:2840
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 9122⤵
- Program crash
PID:2680
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 9882⤵
- Program crash
PID:3768
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 16122⤵
- Program crash
PID:3148
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4900 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1528
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 13002⤵
- Program crash
PID:5024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2308 -ip 23081⤵PID:1120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2308 -ip 23081⤵PID:3464
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2308 -ip 23081⤵PID:3996
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2308 -ip 23081⤵PID:2444
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2308 -ip 23081⤵PID:2588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2308 -ip 23081⤵PID:2056
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2308 -ip 23081⤵PID:4008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2308 -ip 23081⤵PID:4612
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2308 -ip 23081⤵PID:2756
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2308 -ip 23081⤵PID:4216
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99