Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
26/03/2024, 12:51
General
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Target
2024-03-26_cbd0938fc0eb0ff4e74013c6f27fe844_cryptolocker.exe
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Size
32KB
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MD5
cbd0938fc0eb0ff4e74013c6f27fe844
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SHA1
b3ce610b6f4f478bb2b86bca27b03bbf0d09662d
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SHA256
3e792edbfd602b7bee0555b54f52f4861d9c26ecd9041321436de3b346425c7a
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SHA512
38823d74c7ff81db424295c786f5e079889e482a5e1473cf9731b3592e2dafda2f3159477106dce0314ba40df919b0c382d50037565c66e5f5d0ef8917361d44
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+4tHbj2Q+:q0zizzOSxMOtEvwDpj/arqN+
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 IoCs
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UPX dump on OEP (original entry point) 5 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\2024-03-26_cbd0938fc0eb0ff4e74013c6f27fe844_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-26_cbd0938fc0eb0ff4e74013c6f27fe844_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
33KB
MD5781f3989cd6d6e0ffe081e5348e7d549
SHA1a049258d2e68ef97f784ea1c597b92ac1dd2e0ec
SHA25673f26f1392fd4ddcb903cc14d5b103305f0f6272aa18ca6971efdac3c63a8e9e
SHA512d742bd750531af9b70a35d40668b343706fa081a5371fafec81fb160918b7f1e6d5456c61d9475d1573ffc65589ec5753901782f3fcd66ff2f8de8c9bfd77454
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB