Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
23-02-2024 05:45
General
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Target
2024-02-23_540dd32e364e7a5b56564d4274b4074e_cryptolocker.exe
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Size
63KB
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MD5
540dd32e364e7a5b56564d4274b4074e
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SHA1
b2dbe0ee9cb885fe381071d7b6b8b1c4f903e6d3
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SHA256
6f2cc9ca4294952ee5e520bb4744cc9973d7345f71b17b71a5459ae2cfb1add5
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SHA512
545ec953f7e281c2ec9507e46024c679c367499d07f7fc0a88a90d7cbeda94c97c67804464c7288d533234d3fcfc30f0517e93079b89cfd288dda9c91c989531
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SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMHpaIq:TCjsIOtEvwDpj5HE/OUHnSMt
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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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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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\2024-02-23_540dd32e364e7a5b56564d4274b4074e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_540dd32e364e7a5b56564d4274b4074e_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.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
63KB
MD5de59b17d9ae4f748bc4250c8895b7da5
SHA1d8bf8e137b315f62488e3e355e3223aa5eb13ba9
SHA256af0f3c4e159d5124eb188b70ba8781d117f61afe8bff5fedb65ff49549dc3d5b
SHA5129d731ef846cd87aba7bd0ebaee16027a4175d1faf3864b21077234a93be171ad3ba166e4dbf03b20134ebe9b7b89ab03d08f71fba61c68bba4b5b53d0443ddd9
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB
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Filesize
56KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
56KB