Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 23:04
Static task
static1
Behavioral task
behavioral1
Sample
2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe
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Size
48KB
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MD5
938214e96add9c8443b9ec9e0359aa39
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SHA1
30c2fb029be6fc319182607be57d70acb87d2309
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SHA256
da24292bfe0b2c69ba20d8b4332db030673d3743370a9b161541062a8a0aa7af
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SHA512
d4c7b5f7ed76f5d7e0bf55375591129d9aadd32e4b8b55bd216bed343e6898fad6f2593392ba39e8329e79a1a83a450a22c9812e1f0c13d9e5d3ae0a6b169fa2
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SSDEEP
768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dX+q:V6QFElP6n+gMQMOtEvwDpjyaHaXr+q
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation 2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 5088 asih.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language asih.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4528 wrote to memory of 5088 4528 2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe 85 PID 4528 wrote to memory of 5088 4528 2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe 85 PID 4528 wrote to memory of 5088 4528 2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-09-08_938214e96add9c8443b9ec9e0359aa39_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:5088
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD5de224b465cac7bae329fcc15da89d7dd
SHA19cd5dff997210e3223188633482859c6027be3db
SHA25648c99b337f5354b99f39a59315ac373c40353f0850003b98d94acb11e8377600
SHA5126a4f23424bc0bb7243bfa4da84509bf28b4d6c13b51b3bde201b11fdf8205fd7093186ac3accae5186d2039bbd12f8b63b11e5709297411af549a9b8a25a6bdc