Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
04/05/2024, 05:43
General
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Target
2024-05-04_d8995add5445700313880bb72091f6c4_cryptolocker.exe
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Size
59KB
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MD5
d8995add5445700313880bb72091f6c4
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SHA1
43b20514437ca5cd8992adf6ac685994d5c92231
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SHA256
42f090d8b4b47eb6c9edb38a62bb3e679d38d21659d7b6d2ecfe53e0647f3e7b
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SHA512
2768a4ee46ab292b85589259638914f1d2f5def4f413c24aaa2fafc4bb798f3cfc5eb90e06acb45d44d6b83a47dda129e65fb29a34130acb339b7aeeb1675b0a
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP3i:H6QFElP6n+gou9cvMOtEvwDpjCpVXP
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\2024-05-04_d8995add5445700313880bb72091f6c4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_d8995add5445700313880bb72091f6c4_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
59KB
MD526a39464475b76249092222c7793e673
SHA10216b607706a78ad4e4ef2765c1702e1371a4c52
SHA256ae7b93158e670bbdf118474ed7d23f1a2101c64c88b8488bda3c0f8d57eb0ec5
SHA512c46ceea0c678c388fcb64845fdd3e68478b9c4b67862e25a5987877132891fb3bc1a7a676834217e575e42e1031513b7c01e7947ee5f103da2f9750bcec99a7a
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Filesize
64KB
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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