Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240419-en -
resource tags
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submitted
27/04/2024, 09:31
General
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Target
2024-04-27_8a7757b0d3a8e2878dea31d67a5c641f_cryptolocker.exe
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Size
89KB
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MD5
8a7757b0d3a8e2878dea31d67a5c641f
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SHA1
d4a60b50282bbbef012b6530dcf83c0b235f2280
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SHA256
cf3e4b9e6af3c09326d27dcd9d9a37e9dfbe99f490be295e6bcc57a6f064612e
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SHA512
85a5cb459a44f9f6aa2dd240e102cf478da45337d36740360846b9925449d59f84a94779af6934ad06c0bef19638b68629cdac6446df82c7dc06c85d0758a168
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwMg6gb:AnBdOOtEvwDpj6zF
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\2024-04-27_8a7757b0d3a8e2878dea31d67a5c641f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-27_8a7757b0d3a8e2878dea31d67a5c641f_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
90KB
MD56e2d9f307bb68730ea9d7bbf651359d5
SHA1ef3d2b1078c25644de71388a9d782c9d37d725bf
SHA256c9e86059f1e4345b31c8d86f7b3a443d21bd684f24cde4dd3107b1d0b2f5b4b5
SHA5127ccd57f3d6d23e4f1839519f93078a770fe6174300d076af84c9c1b0431bc2ac1b0ea9f044be08645ee10d52ed65c5627df6083c3dbe4d43c81dc3e89efe7fa1
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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