Analysis
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max time kernel
195s -
max time network
255s -
platform
windows10-1703_x64 -
resource
win10-20240404-en -
resource tags
arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system -
submitted
26-09-2024 23:18
Static task
static1
Behavioral task
behavioral1
Sample
f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe
Resource
win7-20240903-en
General
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Target
f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe
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Size
303KB
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MD5
8fe039aa5103fcbc29712cce73c35267
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SHA1
c12df2f751445a2aa03ee15b6c0275765ce70285
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SHA256
f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d
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SHA512
d06728b6f4f7dfe6a9663fb3c0c6200f6699e6ed67d89d2adebe1560791fb82500cb333ffc94294dafc73d55af8bf706967870f8291edf352989277a30f22408
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SSDEEP
6144:vLJkYRKuTCz7dBN2dZtaK6oxHdnUFYc5AR:vdkOd+3J27taK3x9bR
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 2552 4448 WerFault.exe 72 4000 4448 WerFault.exe 72 2344 4448 WerFault.exe 72 664 4448 WerFault.exe 72 3220 4448 WerFault.exe 72 796 4448 WerFault.exe 72 4676 4448 WerFault.exe 72 4492 4448 WerFault.exe 72 -
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 f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.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 4412 taskkill.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4412 taskkill.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4448 wrote to memory of 3156 4448 f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe 82 PID 4448 wrote to memory of 3156 4448 f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe 82 PID 4448 wrote to memory of 3156 4448 f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe 82 PID 3156 wrote to memory of 4412 3156 cmd.exe 84 PID 3156 wrote to memory of 4412 3156 cmd.exe 84 PID 3156 wrote to memory of 4412 3156 cmd.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe"C:\Users\Admin\AppData\Local\Temp\f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 7602⤵
- Program crash
PID:2552
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 7722⤵
- Program crash
PID:4000
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 8402⤵
- Program crash
PID:2344
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 9082⤵
- Program crash
PID:664
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 8802⤵
- Program crash
PID:3220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 11122⤵
- Program crash
PID:796
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 11522⤵
- Program crash
PID:4676
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4448 -s 11962⤵
- Program crash
PID:4492
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im "f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3156 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im "f008899dac52a14491523f997279392bfe562bcd17aa478313e1b627e43d682d.exe" /f3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4412
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99