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
30/04/2024, 00:47
General
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Target
2024-04-30_562ffa3e3bd337aecabcaf020efbb4cf_cryptolocker.exe
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Size
86KB
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MD5
562ffa3e3bd337aecabcaf020efbb4cf
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SHA1
d17b31d25f1490847a21a1792147943f6d5e7b67
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SHA256
83b7f7662cbc924734e98f0e1d3546b552eb0b102cf82a52f2981412ea788ed1
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SHA512
c1d17fbbcca630caa6e2261734e7e3759f633b467ba29c97c3559cafd2811d56b8eb12b0185f13ec0111ac11b03a275db2d2f8b94fa1aaf8d0024a16899f13ac
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5Rf:T6a+rdOOtEvwDpjNG
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\2024-04-30_562ffa3e3bd337aecabcaf020efbb4cf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_562ffa3e3bd337aecabcaf020efbb4cf_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
86KB
MD5b46e4b7d3af9be35565fbb68b7302b3a
SHA1af07f95fee469f4df47d9120f27dc3c36f339052
SHA2564aeb7339d775cbb5fafb4df1af9247eff288f8fe44cd2f0d028c4ee0e5d783db
SHA5125187242282f8106647c335791fb95f3f977ea5906a511ba78550faaeb5b1414aa00d8a84c2806612b0e91f5a488ddc55b4afb291dd950609c696cf4dc872f43f
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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