Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
05-04-2024 02:54
General
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Target
2024-04-05_cd5ff9948c6df62d4cfd69e773c5740e_cryptolocker.exe
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Size
82KB
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MD5
cd5ff9948c6df62d4cfd69e773c5740e
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SHA1
7a2b839234cea6cde13f3017ba46df6851f89dfd
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SHA256
1efcc9c19e08b55e7962ad3df778685e6014927e541843e20978f44d113e9fd5
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SHA512
88f4737da5f228b97923737e59b8a7faaeb174036f683d6053a6cb4ac3422f04a189535612b6f2677e3dd3762e2edea126fdb88298f056eb28684bae180e703b
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT75:T6a+rdOOtEvwDpjNF
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\2024-04-05_cd5ff9948c6df62d4cfd69e773c5740e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-05_cd5ff9948c6df62d4cfd69e773c5740e_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
83KB
MD50809a8a886b5c467eb2fc52eb2e3afbe
SHA17075d30d68ffd83ec4db0b63d3032ef473c419ee
SHA256408d9d769998b46c3de5cc4e1e12c96dcb15f8aabf6d9c35e2a9553e9e66e936
SHA512dcd102f44c36fb48e8adf2c16b496bd976859fcf99be81a5c496f57bca1229685631f5a46102c351556471e4ae923aa38761989619835f676ecf62d485d8bcfc
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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
64KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB