Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
01/05/2024, 05:08
General
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Target
2024-05-01_ab873997456b5541484fa90fd8ea8548_cryptolocker.exe
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Size
37KB
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MD5
ab873997456b5541484fa90fd8ea8548
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SHA1
3daa2337c4efa547d7771bca68e47970660a6554
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SHA256
a2053528d2e7544e9af4ade6857e24a8558c0b3a0b7ecec0131552a7d3dba3e3
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SHA512
08ab0a370008ddae6223f900924ba798ae00c121a08117d5c115db30a85ce7eaaf17710d16eaf7029d26f10b43cf632810c01b3274d71ed91ab7373c7b7efa69
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SSDEEP
768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6WaJIOc+UPPEkYl:YGzl5wjRQBBOsP1QMOtEvwDpjgarrkW
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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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\2024-05-01_ab873997456b5541484fa90fd8ea8548_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-01_ab873997456b5541484fa90fd8ea8548_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
37KB
MD533114a8bc977ccd442606046d4ae9f0a
SHA1b3164e612e47f3b76196960b9e38699267ff6b77
SHA256d2f781375b6306dc2308bb129f0baa20ff4699f4f5bc1b6d05695375b033da80
SHA5126dc19fb9e06d403affdcc5ea544bbda793f07136cf3fe58c41018772e8a2dfa6d7e944e40bf6974b50fc6ce460a31435d62e9151878e736d698aa150b7d1c2b7
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Filesize
44KB
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Filesize
24KB
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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