Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
07/05/2024, 11:36
General
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Target
2024-05-07_fb35f267988e644e3db0911f76130262_cryptolocker.exe
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Size
78KB
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MD5
fb35f267988e644e3db0911f76130262
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SHA1
34d440404bb67b229802d5d3cb275af9e3ee3648
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SHA256
bea8f19396416a1577ccdc8eac13604ace685b63b8dcc536fa11f179918a525b
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SHA512
9782c2ec1b54a52ccbea001c28d8d92d351d2de8226f20095c8f10ada115caf941b84b6b1b355ec070a582901aed97407175b9e8ab3fe0f9617f6c358eb1ec4b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdxPUxB1Y:T6a+rdOOtEvwDpjNtHPj
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-05-07_fb35f267988e644e3db0911f76130262_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-07_fb35f267988e644e3db0911f76130262_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
78KB
MD56fe67f37d440836433ce74e7c667be2f
SHA1f11579cb522a6e33139b3dd272e3050993ec7b50
SHA256b3b93b307669f1f056b06e473e35f613acbc520ddc3ed119b281dc48cd0b15a4
SHA512ce53767d1ce7d3e7415e20eb59161524a87591889482e4e7c7babcd1416aff81a8a4d9068fc76ef2712bc0a9739fe3c4803ac9cc966359e66caf359cc267f528
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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
24KB
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Filesize
24KB
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Filesize
64KB