Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
04/06/2024, 06:00
General
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Target
2024-06-04_f036bedbd422135f7537d0eb4cdab661_cryptolocker.exe
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Size
67KB
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MD5
f036bedbd422135f7537d0eb4cdab661
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SHA1
ad7d730c793a9c179e5ea90cced2d1128a877762
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SHA256
779b4e07ec4136a0907af023f55c48e3f05a6e0a0adaaa89d41f3797d31824b2
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SHA512
d11e9af639c3f939e304bf8cd1c46d872e3ed0745c7ceaac4cca54cdf3b1d9766d5158a37b4ee5229b12cb4ff8ff9ae863add0b6be76305220643f78614bac07
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYibAoQRd:1nK6a+qdOOtEvwDpjA
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 5 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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UPX packed file 5 IoCs
Detects executables packed with UPX/modified UPX open source packer.
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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\2024-06-04_f036bedbd422135f7537d0eb4cdab661_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-04_f036bedbd422135f7537d0eb4cdab661_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
68KB
MD5e3a15bfd0498fbdcce3d397dd3fb998a
SHA14edebc9480e689ffa94f4e63979c3128f1ab1c85
SHA2561ad02a9714f80d716ff12e06465ed6dbbc5200cce51f33b9467413bbb87147ed
SHA5127a7044d96293fa06ca2d596f90cc7c593222911f06b81ef5cd382e1c1fc81d9ed6754ae20ab3acba5c04305e9245a3bdf16d676c55b69bfaf05353af996ae340
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB