Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
26/03/2024, 06:28
General
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Target
2024-03-26_1733dfa67f5a6c6edc783365e5fc1e1a_cryptolocker.exe
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Size
69KB
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MD5
1733dfa67f5a6c6edc783365e5fc1e1a
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SHA1
f47bdc74461b33b50b037cf56dc083011d477693
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SHA256
c1df8864cfdb45f05fac3fafc513d9e4a56cab2c4b5b6a910c3a36591ca0a0f0
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SHA512
f65585e8b0868be77e7b132e1d9e9255c36e59f9d136b76405aeda7f3da49bf778285cbb4833771955da4e33d291c9b525c437c1f5bccf71ff988cf7bbb045d8
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBp:z6a+CdOOtEvwDpjQ7
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\2024-03-26_1733dfa67f5a6c6edc783365e5fc1e1a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-26_1733dfa67f5a6c6edc783365e5fc1e1a_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
69KB
MD5931fbf7520afc2f64b201da6efbad640
SHA12b7efa963252dae6bb5bdb4defaee9690578735b
SHA256300356a11062886946631f07e55b3c2b39db600325caece140d672bb4ed53364
SHA512664b021a3281c979c4677d7704f1fb4692c2aac1f643397ee77938b5b5ec000ab5432ad4370306bfaeb537ca93a6d449e8d47ea3db84341f06214ee8cacdd4a2
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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
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB