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
27-02-2024 16:37
General
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Target
2024-02-27_e850edd33b3649b65111dec5d92ba44a_cryptolocker.exe
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Size
31KB
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MD5
e850edd33b3649b65111dec5d92ba44a
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SHA1
7aad0ce1995286f1f52e37f9dcd43075b2579f56
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SHA256
26207de13d0ec740232d099299b1df89c9f011db82f46f7166950e7818c012e0
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SHA512
f30262a0449f8ab66937d2774c851d213fad807f8fe35f42f5c9f5efb71545ea749d7c821a3a4645a0abbb490e7ff28a739e0e306beb0fd132f5f3c138cfeb95
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+4tH3ME:q0zizzOSxMOtEvwDpj/arqH
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\2024-02-27_e850edd33b3649b65111dec5d92ba44a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-27_e850edd33b3649b65111dec5d92ba44a_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
32KB
MD50825416c185b14145968833807ee5196
SHA149fc15900cbc7aae29b4e62f9ced377b6c8ba400
SHA256a5ce6da83019afa9a9c205921f4820c6a0885712fba06ead8171bbce2b286fb8
SHA5121b3d624ee3fcbfdeeaef107f63d744e37e07081cc4a0f9c73d0e71f558b82ba9cbec0c762ac44fe9232b76fb2468e6d538b2d7d5d0c8b37ae7f3fbb70490f6f0
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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
24KB
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Filesize
24KB
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Filesize
64KB