Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
19/02/2024, 01:00
General
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Target
2024-02-19_e9df9152cf379502c88fda6c4334749c_cryptolocker.exe
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Size
61KB
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MD5
e9df9152cf379502c88fda6c4334749c
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SHA1
897debca0ceb6480c006b61265e18f3e740788fa
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SHA256
074b3d7a58c6a60f8c17533073235862ccf233314b17908b39a7fad427d166c0
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SHA512
fa05f6fbc6ee0eaf0dd00b26d1630fbbed885e770ba1913e3bcf4ab6eb9b8f1c9d85f2f97cdaff8010d629c80338f00f6884ea3c4cc461d894b50e42cd848587
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb61vSbgtskPX:BbdDmjr+OtEvwDpjM8K
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-19_e9df9152cf379502c88fda6c4334749c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_e9df9152cf379502c88fda6c4334749c_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
61KB
MD56fbe6c8425c9661312c94c55f51c1c4b
SHA1e4bfcf4aac560dbcbb61d0c9107cc1fd5c909bf2
SHA2568e386ecaf99e148b030d7e8835561dff274d7515dcd5fc02d58811de91588f9f
SHA512f4735b392688c4d2b90e7317b1d4b30c23b36087e6c2ea9b51e9217769ed8637ecc045135454137956fab2e3875cfd7e7ee8ba64444884cb61300b425dcb0c8c
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB