Analysis
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max time kernel
150s -
max time network
141s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
28/03/2024, 04:48
General
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Target
2024-03-28_a105bfbdad3761df68181e39706828c2_cryptolocker.exe
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Size
88KB
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MD5
a105bfbdad3761df68181e39706828c2
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SHA1
e31f6e7a9aaf23cdba607674fdd82b9e352cef18
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SHA256
92e6e4beda1a025b58cda74b25a3d004e0bf1efff98742ada0ad830bb9563725
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SHA512
8fb62f875a6c250e88d08b3cc44002c9ddd2ffbfef60d22a0690df0350906e9fed9179d432817b68b68d51954356d6c80c2a00089b5f7bbead180f43cbe92502
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg8Wo:AnBdOOtEvwDpj6zg
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\2024-03-28_a105bfbdad3761df68181e39706828c2_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-28_a105bfbdad3761df68181e39706828c2_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
89KB
MD5875cbfee2eeb51620c37621aa269e6ca
SHA1bff7b79b699d3d4cc8c116f63a5a8b2ad7477363
SHA256a42b320b12f83a18edf7f3e851da0e538a38f3d7d8e0b8f9eddac149d5c703ef
SHA512e512e43cfa8ffdcb93b34cc9af9c3819d1b75a1ca74203000627617ba69ea6795863eec6ac917c99cca87fa4a2a55d020d595b6d118b7cbb904f37230eb5a2e2
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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
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB