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Analysis
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max time kernel
91s -
max time network
95s -
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, 10:37
Static task
static1
Behavioral task
behavioral1
Sample
5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe
Resource
win10v2004-20240802-en
General
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Target
5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe
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Size
431KB
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MD5
4e2ec0d83765c97981b5bc455cf3a846
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SHA1
2df312fae2e5283e4ff921ade27c635b1ec02be5
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SHA256
5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35
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SHA512
4d15d34798a905e9a870e502c1a78fef00a2606042a8e3100b81345be6d9b95bec61db9a39ba56df6977a14749769938b6ae94f12bc2a801747a215dc57a8fec
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SSDEEP
6144:wVe6a7Y5I8+Y+uPVE7JrMX3YurjXMIa/Q4bzM46lAqLT/mO+pUo4YDeOK+l8O:x6CYAYNPVBY88IJ4brJWT/y+o4Y/b
Malware Config
Extracted
gcleaner
80.66.75.114
Signatures
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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 9 IoCs
pid pid_target Process procid_target 3948 2448 WerFault.exe 78 772 2448 WerFault.exe 78 3588 2448 WerFault.exe 78 912 2448 WerFault.exe 78 1540 2448 WerFault.exe 78 1388 2448 WerFault.exe 78 2652 2448 WerFault.exe 78 4844 2448 WerFault.exe 78 2308 2448 WerFault.exe 78 -
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 5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.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 4872 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4872 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2448 wrote to memory of 5016 2448 5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe 96 PID 2448 wrote to memory of 5016 2448 5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe 96 PID 2448 wrote to memory of 5016 2448 5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe 96 PID 5016 wrote to memory of 4872 5016 cmd.exe 99 PID 5016 wrote to memory of 4872 5016 cmd.exe 99 PID 5016 wrote to memory of 4872 5016 cmd.exe 99
Processes
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C:\Users\Admin\AppData\Local\Temp\5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe"C:\Users\Admin\AppData\Local\Temp\5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2448 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 7722⤵
- Program crash
PID:3948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 7922⤵
- Program crash
PID:772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 8242⤵
- Program crash
PID:3588
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 8842⤵
- Program crash
PID:912
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 9522⤵
- Program crash
PID:1540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 9602⤵
- Program crash
PID:1388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 10642⤵
- Program crash
PID:2652
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 15482⤵
- Program crash
PID:4844
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 16402⤵
- Program crash
PID:2308
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2448 -ip 24481⤵PID:4932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2448 -ip 24481⤵PID:3532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2448 -ip 24481⤵PID:2412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2448 -ip 24481⤵PID:2460
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2448 -ip 24481⤵PID:3184
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2448 -ip 24481⤵PID:4632
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2448 -ip 24481⤵PID:2024
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2448 -ip 24481⤵PID:1436
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2448 -ip 24481⤵PID:4436
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99