Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
30-05-2024 01:02
General
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Target
2024-05-30_d3bbf67cc8ca91ebb296ce41e018831c_cryptolocker.exe
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Size
38KB
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MD5
d3bbf67cc8ca91ebb296ce41e018831c
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SHA1
c7827fb952127f37d065da299b6844a72ec4625f
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SHA256
1c059356e307d9002fd03a54e6adfa10eda39c398ecff0def40b707cc652bb5f
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SHA512
9a72be7e37b376cd364c75609ab62aa8081d4413f0dee527f366584f67b06b24c0d8372f87505d03f220d168c1b7752fda0b67c3b5d15d2855b5d855e9220294
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SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWRs:qTJu9cvMOtEvwDpjppVXzRs
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\2024-05-30_d3bbf67cc8ca91ebb296ce41e018831c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-30_d3bbf67cc8ca91ebb296ce41e018831c_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
MD53e2f06a3ec17146e6c35e7c5b34e9eb1
SHA1fe3a43ed779ac34e88056cfa1463e6ce1c253bf3
SHA2569bb9526decd939e85346e4aa4ec065dc85ef1760bfb09e789e3f4bba4cd0ccba
SHA51243dc21b6cf74bb2528b18730aacb3421fe1443d77a7f0d8be9320955e20917031d5263ee29f447f03e018bf4fd9f54a81467a21375e9b9d475284629dd2ca3e8
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB