Analysis
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max time kernel
149s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
10/04/2024, 08:31
General
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Target
2024-04-10_4976e44f9d12ca354d4bdae8e3d742c3_cryptolocker.exe
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Size
95KB
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MD5
4976e44f9d12ca354d4bdae8e3d742c3
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SHA1
7a410c7f5b18ed1fbd6dd0598f34171d2562125b
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SHA256
b1e57a5d379057538664c33ba611affac7d35cf7f9898b17f12fa4e3945f60b2
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SHA512
7d567ad642cbbdc8599112c5fe9b66c1d74df8db7cd6f589e46b9de9ade4b1bb30e0ae82bcb27eb664d69a71aaf4f73d693775549c528551333d8de7795a1bc9
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bO:zCsanOtEvwDpjBy
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\2024-04-10_4976e44f9d12ca354d4bdae8e3d742c3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-10_4976e44f9d12ca354d4bdae8e3d742c3_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
95KB
MD5b4e0a332bd4f450c60f06aadbc297519
SHA1c666f9be96338186f3def52796c1aa7f69dfd2cc
SHA256bbdf6c794d4106a21e27c8e4a0e92ce26470672e57f0de15d09ad9e25d9d6209
SHA51294dc201ccd145920b26039dc94cd08c562739fda7de33d76d2a53a8c2cc60d63ff3856702d37b7cec8c3f716e66564f7d0a201f0eabd87db403dd2e58060f3cb
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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
24KB
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Filesize
64KB
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Filesize
64KB