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
25/01/2024, 21:28
General
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Target
2024-01-25_fe952601225e58626c283a5e237e57b9_cryptolocker.exe
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Size
85KB
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MD5
fe952601225e58626c283a5e237e57b9
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SHA1
389e8f1b9917d16bbe3966019312347f4ddfaf65
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SHA256
4fba26f51a060d28dca06f741811c8a82c34e96af9daebfe54dad7e61f672d54
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SHA512
66d10b06f921e05d652779b2fad1613ece21e8b832d301258ba8f6fddbf9eeab336a2aa5a2f6454f5dbc9bc757adaa52d140c487fee58e83ebfd5172718ca617
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtISP:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg5
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\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\2024-01-25_fe952601225e58626c283a5e237e57b9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-25_fe952601225e58626c283a5e237e57b9_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
85KB
MD50d94e54c5e245fd13dd6480224945dc8
SHA1d3cf8b7ab96066495e7b08644e081ad13b03073f
SHA2569056553c07ec282149080eb92fa3e7892d25aa526d13c8506b912ef8fff504e0
SHA51281b8abcdc8e0572bdb71b486b971fc561d70504e6b94db43a779e294c99b9f64922ad871f3bca9de699e1bc9f4313983146b97658933fbfef3b3a8cae7820e7a
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB