Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
27-05-2024 13:25
General
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Target
2024-05-27_8628ae0172d915c78b7ffafa19e02b58_cryptolocker.exe
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Size
38KB
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MD5
8628ae0172d915c78b7ffafa19e02b58
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SHA1
a935ad83714a8fc4302de11fb4f41c7417b83056
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SHA256
c3b5f38fd5b005972bd3b4d0f9682b7307b25615d2b920eda3d2eb707bea58d3
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SHA512
cc5bb4032ccc5198ad78728e510ea1483801712d2359bdc7ba873dde89ad2d9ac8f58aca92801e7a5c64480f688873b8779855a2125936ca1545bcd7f2e5b17b
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SSDEEP
768:qTVbxjgQNQXtckstOOtEvwDpjAaD3TUogs/VXpAPWR1U:qTJu9cvMOtEvwDpjppVXzRS
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\2024-05-27_8628ae0172d915c78b7ffafa19e02b58_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-27_8628ae0172d915c78b7ffafa19e02b58_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
38KB
MD543bc49b658dcaacc256560cfd9f80696
SHA18747174e6d70d4fefe8e92f5b188065736154a27
SHA25699e23521cf82dc82359f455e83967711fcb630986aeadc95fd984c7103434b0c
SHA5127e736635944776d2625bb74e563faecf6cd8d784788d4a36248b83a606beeb91b60d814bf312a6d4f8d814b105c9cd961b92b1f99111c675c4deb24a34ef1326
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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
60KB