Analysis
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max time kernel
149s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
13-03-2024 05:39
General
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Target
2024-03-13_5393b5cc2430de3bb23deb90d27f03a2_cryptolocker.exe
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Size
55KB
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MD5
5393b5cc2430de3bb23deb90d27f03a2
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SHA1
13974a6ab99500cc3a73ef810ef4b2139484d819
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SHA256
29e8632e955d385a167ee9298cd78b5efb0813ce5d1eff76ccfaf5ffa42a61d2
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SHA512
c3e135bc9d43b8d7a65d5b92a08c2dcbdf29fb88d0809dbedce5df5e46acfc35b0827cc51d1e6adfa09d78bb4c449db988c4513462f4ab221ca6c9a49fd1d919
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb617xw:BbdDmjr+OtEvwDpjMs
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\2024-03-13_5393b5cc2430de3bb23deb90d27f03a2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-13_5393b5cc2430de3bb23deb90d27f03a2_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
55KB
MD5378f91ae1be950f8104609375eefd7c0
SHA1c38708e08730efe921262b461a17b7091d5eb4a9
SHA256d5fc6228ab3ef16957a11a6d073d17911ba14998a10614ff2f27222f6af4aa4a
SHA512ad49aac866b9d4f72d56bbf35f3a8f697f3865f81b66fe7b7609909e1577fa196ae9eb25d735ff6cd24475b5b086b54a9eaaab7f2d173e31eeac042906df197d
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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