Analysis
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max time kernel
148s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
21-05-2024 21:23
General
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Target
2024-05-21_9b8997ec0bf48f55fdfd3058d5788274_cryptolocker.exe
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Size
39KB
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MD5
9b8997ec0bf48f55fdfd3058d5788274
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SHA1
7d892cf271ad95321811920ca75b6cc65fa36cdc
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SHA256
4c57bba76e60af740663dd027e66c382779b209bbfbdfb3570e4fdb4acdb41ae
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SHA512
b6bb11afb16eba11a6d1136d0170816bcda924a95f76633c21fc3254299a2be10d5ea6a5f740d66d9db1025d50fcb3daf4a805eeb31b441a30f37846173342b1
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SSDEEP
768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITYaB4:qDdFJy3QMOtEvwDpjjWMl7Tdq
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\2024-05-21_9b8997ec0bf48f55fdfd3058d5788274_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-21_9b8997ec0bf48f55fdfd3058d5788274_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
40KB
MD5d8ddacb7aadce8b219d088f4cf6eee3f
SHA10b3045cd8ccc8e831efe551d2ffc7d0b530c8123
SHA256c8af79bfd5c1eb6c51bea6d6ab5b4fe005586db7c8de0590eb7fa59c0761de46
SHA512d7350a04d14a493d7159ce43f106e478422e5f49899e8df3f23bf0d4835966020d06b9e642f0ae150a13358f14e80b99e2c4ef46af6efd2d8e9592ad9eb86e96
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB