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Analysis
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max time kernel
147s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240802-en -
resource tags
arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system -
submitted
12/09/2024, 06:41
Static task
static1
Behavioral task
behavioral1
Sample
f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe
Resource
win10v2004-20240910-en
General
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Target
f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe
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Size
310KB
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MD5
6c75f4f6f5e088a7fa62a7b840c1e319
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SHA1
630f35575568b0b5fe8c1122872f4cce8548d001
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SHA256
f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3
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SHA512
b7dbb97ef65e5bdf069e7af468681fd08f98f19cd65c40630818e95c5d1782c3eb1c2aa7fd5450dba268bd9480742353644e5cc97e933702d6ac1d827cce073d
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SSDEEP
6144:mIopxV3C1cvA7vTw6a5kYi6zlqYCRProo5:mICVy1c2vsROYi4MYCRPro
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 396 1180 WerFault.exe 78 4820 1180 WerFault.exe 78 4644 1180 WerFault.exe 78 4856 1180 WerFault.exe 78 428 1180 WerFault.exe 78 3328 1180 WerFault.exe 78 3120 1180 WerFault.exe 78 1708 1180 WerFault.exe 78 2960 1180 WerFault.exe 78 1012 1180 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 cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language taskkill.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe -
Kills process with taskkill 1 IoCs
pid Process 3088 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3088 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1180 wrote to memory of 2780 1180 f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe 98 PID 1180 wrote to memory of 2780 1180 f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe 98 PID 1180 wrote to memory of 2780 1180 f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe 98 PID 2780 wrote to memory of 3088 2780 cmd.exe 102 PID 2780 wrote to memory of 3088 2780 cmd.exe 102 PID 2780 wrote to memory of 3088 2780 cmd.exe 102
Processes
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C:\Users\Admin\AppData\Local\Temp\f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe"C:\Users\Admin\AppData\Local\Temp\f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1180 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 4762⤵
- Program crash
PID:396
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 7962⤵
- Program crash
PID:4820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 8162⤵
- Program crash
PID:4644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 7962⤵
- Program crash
PID:4856
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 8362⤵
- Program crash
PID:428
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 9762⤵
- Program crash
PID:3328
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 9842⤵
- Program crash
PID:3120
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 13922⤵
- Program crash
PID:1708
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 16682⤵
- Program crash
PID:2960
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2780 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "f882cbd5034165bd0b67394a0d3fa0126f06a4fa2b5c0aaaf41fda6cf645f2c3.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3088
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 4882⤵
- Program crash
PID:1012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 1180 -ip 11801⤵PID:920
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 1180 -ip 11801⤵PID:4868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1180 -ip 11801⤵PID:1684
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 1180 -ip 11801⤵PID:2364
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1180 -ip 11801⤵PID:1136
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1180 -ip 11801⤵PID:4772
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1180 -ip 11801⤵PID:4084
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1180 -ip 11801⤵PID:4672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1180 -ip 11801⤵PID:1716
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1180 -ip 11801⤵PID:768
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99