Analysis
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max time kernel
132s -
max time network
143s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
25-04-2024 04:46
General
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Target
2024-04-25_a4d538a3f4e30bb38e4907f0dbda41c1_cryptolocker.exe
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Size
58KB
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MD5
a4d538a3f4e30bb38e4907f0dbda41c1
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SHA1
9cfa0b3f66dea71acb1eb58918fd5e82ddabf1a2
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SHA256
e19463e7b8203617e549d6bf2ddf313c83c952e2e23744b888982a46d9d210a4
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SHA512
064f91e83dafb4e881f7c15cc6e5dc39dc810026afbe325c196c13a73e4e51a4bf43978428f7023dc602b4476079c763d47740346301378a36e5364d8d8c3cd7
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPb:H6QFElP6n+gou9cvMOtEvwDpjCpVXO
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-04-25_a4d538a3f4e30bb38e4907f0dbda41c1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-25_a4d538a3f4e30bb38e4907f0dbda41c1_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
58KB
MD5f143b02a97e999704c7cb277cb961062
SHA131312e4eb9ab35b47f6f22c75c3d09ff9027fdf2
SHA25635cc49657f2f23e3e42304ff4287986e7ae03be19cbdd70c2ade932ef3e8d2c3
SHA5121f4b16747424e08ffd18056c1834125c73000d42d150a6ff5b718c27e7e2715447d8eae7ab341e1d772e485d5f6954304f898d15bcbe323bd0a123d79585e154
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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