Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
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submitted
17/02/2024, 07:28
General
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Target
2024-02-17_2efe073f5de4368d98d676bd4887d9bc_cryptolocker.exe
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Size
82KB
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MD5
2efe073f5de4368d98d676bd4887d9bc
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SHA1
beca126d68a0d679b160f6fc6a7bc4b6e0355fb1
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SHA256
a3ff9e3083884e5257771d3d92c6b04c55de2c19edcb5162a6ef8e9e3f724252
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SHA512
1e9213572575e24a243440fedd31f35e8847fe0dab97305f81513370a2418e7c1cc018266ab84e37095a0ff3491c797b812ae080b5cb12a4378565fcb2350fcf
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1T:zCsanOtEvwDpjZ
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 IoCs
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UPX dump on OEP (original entry point) 4 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 4 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\2024-02-17_2efe073f5de4368d98d676bd4887d9bc_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-17_2efe073f5de4368d98d676bd4887d9bc_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
82KB
MD5b065298b8dbaec6643bfb6b760364059
SHA1e1727be3e576a4bccf55271d157b07d8d9a28797
SHA256722b01094cba86fbc4b8186494eb726b353b8c77f4eafd81097e2fe6569b5a8c
SHA512efde2ad2e79a248b563f715b9fa1d03c290aae177f9d4cbd59f06f315cc7b1f0bf63503c4efc25d6984cd55c4e0fb4782a939f5c16cdca19b8fa7be31f24baea
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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
24KB
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Filesize
64KB