Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
22/04/2024, 08:34
General
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Target
2024-04-22_2f0195eedd8f5d7c112e7c6b4bc4e176_cryptolocker.exe
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Size
79KB
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MD5
2f0195eedd8f5d7c112e7c6b4bc4e176
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SHA1
df322afd234036e7f7402d688e3a2761ea9aebce
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SHA256
29df8faf57f1cbdea4ddb5057b8a2f60d1bfa2498ed4448ced42502647ee9a35
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SHA512
b1f32cec638bf2ca92e3daa53ded3e28905c5b3d6fafed66275009d912195687f2f772279239fc352f5bff15a58f77c0775610e8ab89cbc42f5ea2c9d2cc04de
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdE:T6a+rdOOtEvwDpjNt+
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\2024-04-22_2f0195eedd8f5d7c112e7c6b4bc4e176_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-22_2f0195eedd8f5d7c112e7c6b4bc4e176_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
80KB
MD59fff01d2cf0223e6e5dc2a516310ab41
SHA1cbe03d352bd31e2f368431f20655ae461011b714
SHA2569e871f8a80a22233afeb593518697c653a0db2273cd8fab66ef3edeea6adf645
SHA512ebb919482be041d92ed963d7cce6f07b616be1430d0671abf738562b59e59ad3da11e95cdc916baa482718b6a5ca26095fd6c36cfeec593e0ef22f1b8a1e384a
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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