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Analysis
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max time kernel
147s -
max time network
150s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
09/09/2024, 14:40
Static task
static1
Behavioral task
behavioral1
Sample
ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe
Resource
win10v2004-20240802-en
General
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Target
ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe
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Size
380KB
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MD5
20b97b34517fd95e0ed76b3851d0a6aa
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SHA1
9f42219d7a04fb36db0b9ea9918a049cd9181e5d
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SHA256
ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b
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SHA512
acac82ee4a0ccacd66cc2e9f1e14b70c59225a0891f3c215297ca8adde88f54918b00fc2d7ed5127f60941695acd651d94483655c4bc3b1c5bf5c9fbb2d9c8c3
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SSDEEP
6144:qB9W3n+Y9OpuBStPaDKzolF/eQteFY0njtsiPHeY+rfZHif:q23+Y9OBtUmw/eXq0njtsiP+YE
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 4724 1680 WerFault.exe 77 1384 1680 WerFault.exe 77 448 1680 WerFault.exe 77 624 1680 WerFault.exe 77 1660 1680 WerFault.exe 77 4076 1680 WerFault.exe 77 3556 1680 WerFault.exe 77 2316 1680 WerFault.exe 77 2088 1680 WerFault.exe 77 4008 1680 WerFault.exe 77 -
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 ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.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 1192 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1192 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1680 wrote to memory of 1476 1680 ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe 97 PID 1680 wrote to memory of 1476 1680 ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe 97 PID 1680 wrote to memory of 1476 1680 ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe 97 PID 1476 wrote to memory of 1192 1476 cmd.exe 100 PID 1476 wrote to memory of 1192 1476 cmd.exe 100 PID 1476 wrote to memory of 1192 1476 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe"C:\Users\Admin\AppData\Local\Temp\ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 4802⤵
- Program crash
PID:4724
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 7962⤵
- Program crash
PID:1384
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 8162⤵
- Program crash
PID:448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 7962⤵
- Program crash
PID:624
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 8882⤵
- Program crash
PID:1660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 9762⤵
- Program crash
PID:4076
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 11042⤵
- Program crash
PID:3556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 13882⤵
- Program crash
PID:2316
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 16482⤵
- Program crash
PID:2088
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1476 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "ec1611a910c602aa38efc72cce168726b3d88348ee83f9b885cbd141442b989b.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1192
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1680 -s 5162⤵
- Program crash
PID:4008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1680 -ip 16801⤵PID:1224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1680 -ip 16801⤵PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1680 -ip 16801⤵PID:1868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1680 -ip 16801⤵PID:404
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1680 -ip 16801⤵PID:3508
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1680 -ip 16801⤵PID:4208
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1680 -ip 16801⤵PID:3368
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1680 -ip 16801⤵PID:4424
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1680 -ip 16801⤵PID:1388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1680 -ip 16801⤵PID:4792
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99