Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
21-02-2024 17:36
General
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Target
2024-02-21_5c981f2b6fe5bd84455575bda2ad0c83_cryptolocker.exe
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Size
45KB
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MD5
5c981f2b6fe5bd84455575bda2ad0c83
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SHA1
76615ae1cf20ef50dea9f30f5290db71a54927eb
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SHA256
029e9d50ab67eab7f4de9ed56ae1eb208e96c6330df451c5f80bc45cbe1b07da
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SHA512
e7d79db1fc08f4f6b37ba43b9f729db6aade219cc92b00052b9c18d7cbf1d7508115d95bd72ff86685a5112599c3a7c38a62e684f3f8b197479c68c69e284ea3
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SSDEEP
768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtld8I:xj+VGMOtEvwDpjk/p
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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Detects executables built or packed with MPress PE compressor 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\2024-02-21_5c981f2b6fe5bd84455575bda2ad0c83_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_5c981f2b6fe5bd84455575bda2ad0c83_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
45KB
MD598432f6109fef6466fe83445bdb2b46b
SHA1707b81a323622fad3ac3f6ffa6141a37d4b7c12e
SHA256cab41326d300d08705abf8477c676513d8f1befd452fc83fae9f7383658f6621
SHA512c25a73f67af7acdd9100583788b27c65a12ce463a88c3b7e731a3b3e97f446c681e7112dfa2a33174a31e7ee9346657bdeac463ef0f24668cfcd366efd23982c
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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