Analysis
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max time kernel
149s -
max time network
152s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
27/01/2024, 03:29
General
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Target
2024-01-27_43934803525432e54c0cc4df4abf8b08_cryptolocker.exe
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Size
93KB
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MD5
43934803525432e54c0cc4df4abf8b08
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SHA1
d7b4a642e78e878b27a279e3554b0b1fbf1beac4
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SHA256
576720dea84c1440209a815d8eda56a7d69dacbe5a731740cec89ad99af55cdd
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SHA512
7ab362e5f49f9d873c6102618a3667c5e52244f8e7e254a2b008925e3b6439bf33e4a04fa982c51821f7f7d272fd7bdf196206bb7b7edce8d09fd5fbc7a48c31
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01i:AnBdOOtEvwDpj6zE
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\2024-01-27_43934803525432e54c0cc4df4abf8b08_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-27_43934803525432e54c0cc4df4abf8b08_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
93KB
MD579bd51c4ee027150da4104de53d9ceb4
SHA1f219002e9b6d56b7ec1a8ea8c3682671942f7f47
SHA2567c8e06d93bdb3c40a453b22a8f867c760af1fab054107c1f7ced697a87fb03a1
SHA51275c6d548fbca4dd1309910774b283d09470cb936660fa0af86243f1278946db3d761948a8d33d9cc8ccb728607903148be3e7ce90a2e31c90545e3f6c4314a0c
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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