Analysis
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max time kernel
142s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
19-03-2024 12:40
General
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Target
2024-03-19_a10940cc8a9ca8c2aabaeff2c3dcbd93_cryptolocker.exe
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Size
86KB
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MD5
a10940cc8a9ca8c2aabaeff2c3dcbd93
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SHA1
eaf203b5f6a351e6a8789a5178bc1a7d8e42060c
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SHA256
d04ba556384762cf2d9dd8d1de97afe6810259ad48d8ef4677dec4297be9e1ef
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SHA512
eaa4cf418dbd40d4811178e50d01cffd9bbf0a06863de21f00ca15f2435a345e52428da027af5e5de12fb009330f2c80a6d199686a18f379ade207c00b190d92
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIEkpi:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgd
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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Executes dropped EXE 1 IoCs
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Loads dropped DLL 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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-03-19_a10940cc8a9ca8c2aabaeff2c3dcbd93_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-19_a10940cc8a9ca8c2aabaeff2c3dcbd93_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
86KB
MD5fad3a9a9f7dcaf528f6be73703aaf056
SHA17fe519beda767912abfb736e3e7861b7cc365a88
SHA25623ed573b64f4a5a329974933547af249e89f039300382b5313137061e267bf7c
SHA512286a932006ccde32cfc7c2a447909bcd071aaa9cfc8b78d537fcaed1f702cc1ae5d66920806437042aafa7a74580cc0ae644a3fba27dc26adc4f8b8c3d5728d4
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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
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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
60KB