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Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
07/09/2024, 18:13
Static task
static1
Behavioral task
behavioral1
Sample
a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe
Resource
win10v2004-20240802-en
General
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Target
a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe
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Size
294KB
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MD5
e31f3a2e963a7e7129a9d6ae35c6384d
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SHA1
4ff2507be78ebc8ad15374f4cad94258cc7de470
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SHA256
a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34
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SHA512
c646ad6f94f34850e3fb29d4936abd33e79680b556936dd11f36743f6c5f264ba1a84b90ab5adf645803991c7131c8de021c82f1b98974100203e42764ead623
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SSDEEP
6144:2CBbfnESxoe7rWI8SRVOLss9E5dhDs0U8S/wjfF/Q:2gn9xoe7LzRQJ9As0vR/
Malware Config
Extracted
gcleaner
80.66.75.114
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe -
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 3248 2068 WerFault.exe 82 -
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 a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.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 2480 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2480 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2068 wrote to memory of 4880 2068 a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe 94 PID 2068 wrote to memory of 4880 2068 a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe 94 PID 2068 wrote to memory of 4880 2068 a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe 94 PID 4880 wrote to memory of 2480 4880 cmd.exe 98 PID 4880 wrote to memory of 2480 4880 cmd.exe 98 PID 4880 wrote to memory of 2480 4880 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe"C:\Users\Admin\AppData\Local\Temp\a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4880 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "a89101fbb3524961362af049e54e8d2b93ed0a6120b72b9c7824ade4db8a8c34.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:2480
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2068 -s 14922⤵
- Program crash
PID:3248
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2068 -ip 20681⤵PID:3444
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99