Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
27-04-2024 18:31
General
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Target
2024-04-27_6a617032c916f98522e30be47fb55403_cryptolocker.exe
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Size
87KB
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MD5
6a617032c916f98522e30be47fb55403
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SHA1
d08df245e23d7972383574bc47c8118d84bf3b39
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SHA256
82c3359af10292ed00e6e49846787e1b9cc0d7275e84266caea85541b69644b4
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SHA512
f5ebe7a59afd716cdfbf9f5e2f54307249d32d5ae89946f331031f0739e17cc247b4d1b7c2b30ae5ff5f88be18125a2c7ab1773436130537d8eaef227a1bae13
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIOD1:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg7
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\2024-04-27_6a617032c916f98522e30be47fb55403_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-27_6a617032c916f98522e30be47fb55403_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
87KB
MD5cb0cb74543065b9a110307ad07cd74dc
SHA1e0bfd928bcc8aa0958225852df6f0cf48d0f8995
SHA256d75a028277fff21e066f9e533f0a0dd437bfa136142f8afbadf96c17857d5122
SHA5123f6fcb852600826745f5f8582c790f4c43cef3fe1812b5868bdaab3640c32e9a70583b329dd3fc77e788859f4e59c025b740d54d2282ace89548fbed1dd55f03
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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