Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
09/03/2024, 14:38
General
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Target
2024-03-09_804489059143caa2a4d18a556744472a_cryptolocker.exe
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Size
94KB
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MD5
804489059143caa2a4d18a556744472a
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SHA1
b6eb87b4ee4de9727f6ce75c76124b017db011dd
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SHA256
e807bf0f6075d61cfc30f02716ab5a71320893b5d832aa8e530d1624d3efad96
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SHA512
f838d08d9ca2956a9ee0d91792ce3fe1af1b322d0c443f897b08b29f6d0ccadaca0701056a65ee420f61899360c75eee3c70686b6753bc4daf2be5b5b45fe26a
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpYXp:AnBdOOtEvwDpj6zH
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\2024-03-09_804489059143caa2a4d18a556744472a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-09_804489059143caa2a4d18a556744472a_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
94KB
MD55a69c5b3ed68892aefb624329524d7c1
SHA1fc7e3958e05b5edc2b40ae7fb6af7023e7508535
SHA2566a0c54f5f30214fe900983771d21377965220795e5ec12d3c0e60be7973c453f
SHA512c744658d0ee53e6b97b6509ba46493042b6022b923f0a8c85f1bc6c1cda62dcb3e6a6ca7a1089b44107daac76bbd7601aabe64baeb6a3c4644d8a56b65b7717e
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Filesize
60KB
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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