Analysis
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max time kernel
94s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/11/2024, 20:57
Static task
static1
Behavioral task
behavioral1
Sample
6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe
Resource
win10v2004-20241007-en
General
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Target
6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe
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Size
53KB
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MD5
e116f26057aa6eee6f1aa5b7fc09b2e0
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SHA1
aab7ef204866eb4e19ab7176905f44c4cdbfcf3e
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SHA256
6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903
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SHA512
76d11323041e06ef1c430c1dcdda20fd7518087c057d02cea6bf12f5b4f5d62dd8ffbab365a55d862e9ff5ca99c534ffd1c91f8163f5722b65ec6f2a497257b8
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SSDEEP
1536:bN8g8r8QoeXKn7Kp3StjEMjmLM3ztDJWZsXy4JzxPM0:oXKnJJjmLM3zRJWZsXy4J9
Malware Config
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation 6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe -
Executes dropped EXE 1 IoCs
pid Process 2104 seikux.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 2 IoCs
pid pid_target Process procid_target 5072 4204 WerFault.exe 82 3204 2104 WerFault.exe 87 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language seikux.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4204 6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe 2104 seikux.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4204 wrote to memory of 2104 4204 6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe 87 PID 4204 wrote to memory of 2104 4204 6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe 87 PID 4204 wrote to memory of 2104 4204 6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe"C:\Users\Admin\AppData\Local\Temp\6cf9e260e605ba7d6da7abaa529d170c1398c14f16ef39898f0ee2b110832903N.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Users\Admin\seikux.exe"C:\Users\Admin\seikux.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2104 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2104 -s 6763⤵
- Program crash
PID:3204
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 9242⤵
- Program crash
PID:5072
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4204 -ip 42041⤵PID:888
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2104 -ip 21041⤵PID:2532
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
53KB
MD58214e2e085ecf68e6480dc36b75cc62f
SHA1ae12030961a2bda1d8c69bc16b16ad86ac3ff5d1
SHA256a7f647a4f5bd0d733bb33e51c616bb90faef3aa85768ad14e4e19b0f98230e03
SHA512a1d7d017e6bd9c77b89a95c19be9655c0ec9e594d226b61b43283960378769e2aee8aca783bc175e348916beac54f0a0f0ebc9cb9adf49b2499ef01fbef486df