Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-10-2024 03:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe
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Size
48KB
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MD5
0135675b9e7031b14bc1876b01749897
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SHA1
c4f0a2d0dc5574e0a020eb07979c9f9f0699203b
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SHA256
dd5f5f9a935d8a301badce56b304ee7a6991aedd70ff0c0f81e19fdd2bc1a506
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SHA512
9b854342acdadcb0dfbd93cfe84783a9bb778a4ac6a062c2895b5e646dde65f8378931e3f68ddf48e903ab19af9778c54a24d9e3763b3be56b33e18c70c713c8
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SSDEEP
768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPyQ:P6QFElP6k+MRQMOtEvwDpjBQpVX3Q
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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation 2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe -
Executes dropped EXE 1 IoCs
pid Process 1148 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 2024-10-09_0135675b9e7031b14bc1876b01749897_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 3032 wrote to memory of 1148 3032 2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe 86 PID 3032 wrote to memory of 1148 3032 2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe 86 PID 3032 wrote to memory of 1148 3032 2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-09_0135675b9e7031b14bc1876b01749897_cryptolocker.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032 -
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:1148
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
48KB
MD50f5ba8e442bcb327bd0502150ea28356
SHA11967356898939322082ba0ee3a8ca84a3c8f58ab
SHA2563247f353c44743fec67e9d1dd5e35c09042697ca0ea341e2b594ce63e4a96c1a
SHA512a17e2bb1ea8bbfc514a73a1d2543dfa2f0cff8d3ecbba44cb5b40ddc1b793e63c3628cebea7a9b204a5f14d140ce12958f2051db634f1e044536ee00adad7e64