Analysis
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max time kernel
141s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
23-01-2024 07:48
General
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Target
2024-01-23_e1188b77d1e81852000b2032a3b5c9b6_cryptolocker.exe
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Size
36KB
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MD5
e1188b77d1e81852000b2032a3b5c9b6
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SHA1
4612bb5640be27f1eb3255102252d3cb402b1a21
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SHA256
d81eabd4a25f490b418eef90cfdbae60a288f97980035a6f120e5cd67c1e9b59
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SHA512
b83518450b3c9fa4a6fe82b248d9f7cd347cfe954976e2e59eda1ca13f559a0835f69355aa94ee63727692f91fe9d2becc8397073e87a02839d85315e17c4cac
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkCult:YGzl5wjRQBBOsP1QMOtEvwDpjgarrk9
Malware Config
Signatures
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Detection of CryptoLocker Variants 3 IoCs
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Detection of Cryptolocker Samples 3 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\2024-01-23_e1188b77d1e81852000b2032a3b5c9b6_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-23_e1188b77d1e81852000b2032a3b5c9b6_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
36KB
MD543bbc7d1667ba4921a082ddb0185f836
SHA11555ee8f583305beb5cd0ad9a96f34f624762f25
SHA256129efd27a425a6cae5aeb18d20b13fc0edb20188c3fb4a81956147c742016571
SHA5129169ab90cab35c782e9f37d96f91cf211780de85ade11be526d3d2028175c588c2b1211280e184ece46eb6b0138bf33e0a80eedab50021460906dac819c8c4ba
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Filesize
24KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB