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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
07/09/2024, 07:53
Static task
static1
Behavioral task
behavioral1
Sample
539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe
Resource
win10v2004-20240802-en
General
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Target
539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe
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Size
294KB
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MD5
a372b929b61f1181dfa7047559a264aa
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SHA1
5bf86f3cef79fa4a693a9acb25cef1928cee4949
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SHA256
539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac
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SHA512
59b4674d325e176481fdc98489c6078f681d3935b1bdda8c5bfd428bd16d88b8a83d27c3ed0dbeeef4ec70b4cdaad82a15da5f5e9cc5f0d23fa1b84e41dcc13b
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SSDEEP
6144:sfDaoUiX/Iorz8t/J7PiDnEIj/MLRw0Vdh1tQ:sbaozvIov8t/J4EIu5Vdz
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 1 IoCs
pid pid_target Process procid_target 2196 1956 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 539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.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 2348 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2348 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1956 wrote to memory of 3684 1956 539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe 82 PID 1956 wrote to memory of 3684 1956 539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe 82 PID 1956 wrote to memory of 3684 1956 539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe 82 PID 3684 wrote to memory of 2348 3684 cmd.exe 86 PID 3684 wrote to memory of 2348 3684 cmd.exe 86 PID 3684 wrote to memory of 2348 3684 cmd.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe"C:\Users\Admin\AppData\Local\Temp\539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1956 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "539f00f5a8167e37dae485a21d3ea77505eade0fee65b452b808aaaf1777ccac.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2348
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1956 -s 16162⤵
- Program crash
PID:2196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1956 -ip 19561⤵PID:780
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99