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Analysis
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max time kernel
32s -
max time network
142s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-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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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 4400 2856 WerFault.exe 79 3584 2856 WerFault.exe 79 1636 2856 WerFault.exe 79 4988 2856 WerFault.exe 79 3428 2856 WerFault.exe 79 4640 2856 WerFault.exe 79 2712 2856 WerFault.exe 79 2264 2856 WerFault.exe 79 1500 2856 WerFault.exe 79 2212 2856 WerFault.exe 79 -
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 1300 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1300 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2856 wrote to memory of 4512 2856 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe 100 PID 2856 wrote to memory of 4512 2856 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe 100 PID 2856 wrote to memory of 4512 2856 855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe 100 PID 4512 wrote to memory of 1300 4512 cmd.exe 104 PID 4512 wrote to memory of 1300 4512 cmd.exe 104 PID 4512 wrote to memory of 1300 4512 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe"C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2856 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 4762⤵
- Program crash
PID:4400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 5002⤵
- Program crash
PID:3584
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 7802⤵
- Program crash
PID:1636
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 8002⤵
- Program crash
PID:4988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 8402⤵
- Program crash
PID:3428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 8962⤵
- Program crash
PID:4640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 9682⤵
- Program crash
PID:2712
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 10682⤵
- Program crash
PID:2264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 16322⤵
- Program crash
PID:1500
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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:4512 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1300
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2856 -s 15842⤵
- Program crash
PID:2212
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2856 -ip 28561⤵PID:2200
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2856 -ip 28561⤵PID:4740
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 2856 -ip 28561⤵PID:904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2856 -ip 28561⤵PID:3640
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 2856 -ip 28561⤵PID:4188
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2856 -ip 28561⤵PID:2964
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2856 -ip 28561⤵PID:1564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2856 -ip 28561⤵PID:3020
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2856 -ip 28561⤵PID:1424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2856 -ip 28561⤵PID:4584
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99