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Analysis
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max time kernel
91s -
max time network
99s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
10/09/2024, 15:41
Static task
static1
Behavioral task
behavioral1
Sample
993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe
Resource
win10v2004-20240802-en
General
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Target
993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe
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Size
284KB
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MD5
da36342aa76df48b676a5a3787c53c15
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SHA1
3595579569d10f9c1896ec8b0bb695087c137599
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SHA256
993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf
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SHA512
a0a47c16a37dde64a33e1eb9945401aca61dbac7cb5e2c29edcfbc685e4b1bdf696b7e06460b037ad74e6b11d66fecd5f6dadb222b2cf6b1f3e7dc66452061e2
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SSDEEP
6144:5Lx6g2oXwn78/bfkWO/OpvtknVZoVlfGmuQTdJfJZ:Vx32oM78gWOslknroP+mhdJRZ
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 8 IoCs
pid pid_target Process procid_target 3480 1976 WerFault.exe 79 1852 1976 WerFault.exe 79 1952 1976 WerFault.exe 79 432 1976 WerFault.exe 79 4376 1976 WerFault.exe 79 412 1976 WerFault.exe 79 4036 1976 WerFault.exe 79 4948 1976 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 993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.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 660 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 660 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1976 wrote to memory of 1200 1976 993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe 96 PID 1976 wrote to memory of 1200 1976 993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe 96 PID 1976 wrote to memory of 1200 1976 993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe 96 PID 1200 wrote to memory of 660 1200 cmd.exe 100 PID 1200 wrote to memory of 660 1200 cmd.exe 100 PID 1200 wrote to memory of 660 1200 cmd.exe 100
Processes
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C:\Users\Admin\AppData\Local\Temp\993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe"C:\Users\Admin\AppData\Local\Temp\993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 7722⤵
- Program crash
PID:3480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 8122⤵
- Program crash
PID:1852
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 7722⤵
- Program crash
PID:1952
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 8442⤵
- Program crash
PID:432
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 9522⤵
- Program crash
PID:4376
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 10802⤵
- Program crash
PID:412
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 14282⤵
- Program crash
PID:4036
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1200 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "993f3fb15e0541e69324fb91c57c7a56faef6aed850a351aa06ea158a8d16bcf.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:660
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 14962⤵
- Program crash
PID:4948
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 1976 -ip 19761⤵PID:4576
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1976 -ip 19761⤵PID:1040
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1976 -ip 19761⤵PID:1556
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1976 -ip 19761⤵PID:3552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 400 -p 1976 -ip 19761⤵PID:2136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1976 -ip 19761⤵PID:4568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1976 -ip 19761⤵PID:4540
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1976 -ip 19761⤵PID:3572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99