Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
27/05/2024, 18:31
General
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Target
2024-05-27_669e85a929efc1c94e0894eb98eb1b2d_cryptolocker.exe
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Size
92KB
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MD5
669e85a929efc1c94e0894eb98eb1b2d
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SHA1
2ec5b60944c1ae144ba39e0578bf7ef829c1cbcf
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SHA256
cdec830d15017686957fc89ee126c6210d3b75bb3d98e3360d7a9cdbc7d680c8
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SHA512
22acb68c1e81582eced5a135ac0f5eaeec94bc85e4c192be433a5b5c804c0df3b4eb3bd4a683e4aaf6a06ee61f6c7aff0e81407c44311d96da9dec5c164ae0f4
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgddR:AnBdOOtEvwDpj6zV
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\2024-05-27_669e85a929efc1c94e0894eb98eb1b2d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_669e85a929efc1c94e0894eb98eb1b2d_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
92KB
MD5cdefa8f957fa47cd0e94dcb4368aea65
SHA1e87f6d1d0d480fab874b35e33c194f43db9fbc2b
SHA256e5da41d1701868acc910682d4bc1ca6db29f67e9eda1b499d739c0321bfa1830
SHA5128cdd0b26b976e3e6d863fc3df6a1fbc58deaec939fa3dfc653ebc483f649ae07e58888f72d9abe59484020f7821080c005f43c299bd21883015e6b3969b4fa25
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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
24KB
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Filesize
24KB
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Filesize
60KB