Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
14-02-2024 16:52
General
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Target
2024-02-14_61ea03ce685d2033dc9da27a4e814a31_cryptolocker.exe
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Size
148KB
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MD5
61ea03ce685d2033dc9da27a4e814a31
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SHA1
f056c4ab2fc20ba87e7abf4a3646143b7730724d
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SHA256
ebffb5bb1995f56ce26af746fbb8fadd1f52b58ae47197c7901f9c6d02407bb8
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SHA512
757061810cf6b98b1d0fd8502f0ffb49d3bcca32bbf74e1ce428a8a41e96c4fecdd17f67e31b3a8df2d1fa4258fbf2be40e725460a66ca19b1d417e86446f595
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1eZ:z6a+CdOOtEvwDpjczj
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\2024-02-14_61ea03ce685d2033dc9da27a4e814a31_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_61ea03ce685d2033dc9da27a4e814a31_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
148KB
MD5955e5290e88f43d90b8ff28f61689250
SHA1c1f0cc3f3692eea701a3046fe76037effd486a48
SHA2564c960b3542aa2ae7306dbb566530e296cd49684ad0e7394f34421b9698b48ea8
SHA5121d74dc360f3a23b245d55b80a8f9f7f4a0ab451ea3ea8e46c56c0628fa770de4c3e6ab8239737850d6f5576852fbc65be644d51a40019ba63c0cceaec79c2328
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Filesize
64KB
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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
24KB
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Filesize
64KB