Analysis
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max time kernel
150s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
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submitted
15-04-2024 14:43
General
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Target
2024-04-15_685ab5109faf30b1b8391b9f7eba24e0_cryptolocker.exe
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Size
46KB
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MD5
685ab5109faf30b1b8391b9f7eba24e0
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SHA1
0fe8b782e3ba5f4370b0027ae85c01f36cd60189
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SHA256
f282f57093d0f28834adb42baa4713bab04d1f99fa22ff58b7fa0bd1ce27f8a1
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SHA512
97822cdc5d9b83240b4b79e7f5875d03f2bf74752f4829d9344518d270f87eeb0baf56e7745629bb6294a7efdc949a58e1a20c57e22d1382ee437ca34daed634
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SSDEEP
768:qmOKYQDf5XdrDmjr5tOOtEvwDpjAajFEitQbDmoSQCVUBJUkQqAHBIG05W2MobH:qmbhXDmjr5MOtEvwDpj5cDtKkQZQ1
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 2 IoCs
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UPX dump on OEP (original entry point) 4 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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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\2024-04-15_685ab5109faf30b1b8391b9f7eba24e0_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-15_685ab5109faf30b1b8391b9f7eba24e0_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
46KB
MD5b579c1c44295f576e4514b1eb67fe436
SHA1e1516044d4ce3ad087d5a720685784ffe12896ea
SHA256fb7e7ed8db891e1f7f98c31a9726e62cab9621726f81afb0b15f00baaa70f79e
SHA5123cacdad38d0fada1b3c8be79f6a579ca9b31ad82e25494cc7e018b1d06db547762ea58013a9c44fe41ae6e476c6d31ad9a8fff68730991520fb41c93447de83e
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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