Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
30/04/2024, 22:42
General
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Target
2024-04-30_28d8ba601169f7ea83c845ffd04f98c8_cryptolocker.exe
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Size
38KB
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MD5
28d8ba601169f7ea83c845ffd04f98c8
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SHA1
8edaf309f43bae7246f4cd9560d838d9654fca9b
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SHA256
31bcab401b7b3c4615e8cab3ff297d4f1e9f6b46956f51a32313b06e7dbf03a0
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SHA512
b285e82e7b4c05acdbf65aac2ba1edcc947fcfcf0be17d7037dbab53eebcd04742646bda6be01a501a9a969dc3963a9c7e5bdba7bd68548f8f1ad1c4ee98104f
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY9Y:qDdFJy3QMOtEvwDpjjWMl7Tf
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\2024-04-30_28d8ba601169f7ea83c845ffd04f98c8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_28d8ba601169f7ea83c845ffd04f98c8_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
38KB
MD55fce84b271e2dddcac38476fae06f4aa
SHA1d71047f7b01ff0b9bdc1e75c3b5130e52a2a2127
SHA256a4bf08dc499c8f37acef1d9e2bcfa7970b200e1c7bfc3639c032479c4f233598
SHA512fa15ad944a153ef26048b2fed33aa07b02903ad6ad73dd9ac62dd1f9e01d14d3ee56cf7fe9094e785c01f07f22551ed7ed8e74098ed6d17783a7202baae08ba9
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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