Analysis
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max time kernel
150s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-10-2024 01:28
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe
Resource
win10v2004-20240802-en
General
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Target
2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe
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Size
45KB
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MD5
8816feafad18585403a6b3ec05e6afd5
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SHA1
8bf2028b9068ea83c7f86b025c4009ff6d70b7aa
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SHA256
6990caf5a27cca8012e35eec33f42513cc348519f0e1c48efea8a01ff4dc4b2b
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SHA512
82a44c2ffa99a36ca764858fa95e7945b9686eb42918c3ddcf1bf91fe55b1b4c15800fca4850b8e1b74de363a4ad7c7957dbac6f241c3fbc0a2d460598074c52
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SSDEEP
384:bm74uGLLQRcsdeQ72ngEr4K7YmE8jb0nrlwfjDUk3b+NS:bm74zYcgT/EkM0ryfjd3WS
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2524 hasfj.exe -
Loads dropped DLL 1 IoCs
pid Process 2344 2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.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 hasfj.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2344 wrote to memory of 2524 2344 2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe 30 PID 2344 wrote to memory of 2524 2344 2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe 30 PID 2344 wrote to memory of 2524 2344 2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe 30 PID 2344 wrote to memory of 2524 2344 2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-10-02_8816feafad18585403a6b3ec05e6afd5_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Users\Admin\AppData\Local\Temp\hasfj.exe"C:\Users\Admin\AppData\Local\Temp\hasfj.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:2524
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
46KB
MD58384e1dd8ea225fe9819c2d834c9ac3e
SHA1e5ada143e89ed3582219e58ada1eaef4b568225c
SHA256caf586f7da93fa0e81277f2412e75ac8f077f478b82369d8a0ba85c666a26f6a
SHA5120934ce57df541530e0c7fadb9edba5a46ccf9639f1fdb39295cc2fd69dc0ba464a7f972ffaf06336414b3887b0ff7d67241fb9afa1d5f4f202438a6d4e25dade