Analysis
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max time kernel
147s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
30-04-2024 05:38
General
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Target
2024-04-30_dae40904d62d344264f1a309396c0d9b_cryptolocker.exe
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Size
90KB
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MD5
dae40904d62d344264f1a309396c0d9b
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SHA1
538af07acd2b1256efb33948e004d41ccaee7cd9
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SHA256
a75d09dbc668b1081175137338050b745860143bc87875e48d200f06606ebe6c
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SHA512
3c8c1168471725fbaa7e8c3984f4e0bc0117e134040fa410f5f9fb6e47792e24cbd0ed93b293e07d3e41a0a64d6276174dcf5aad228a4e13ac6c3945fa020ee0
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgdd0:AnBdOOtEvwDpj6zQ
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\2024-04-30_dae40904d62d344264f1a309396c0d9b_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-30_dae40904d62d344264f1a309396c0d9b_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
90KB
MD54134ad4d6d5d5bc769ca24901b7bc548
SHA14602c57891f9bff90f5af4a9438803e6820f002d
SHA256cebe77b3c20273ed43da16ac69123113ac3d948878c3b7afdc3461c6bc45466a
SHA512b70b57d67ea23c630f9a4de3f0521740bd43fdfe82ccf7d23e6bfb90fdb688177a85f8b8db575b47680878ba1a1635d734ccd2a27f9578df618fa72e917680de
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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
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Filesize
60KB