Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
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submitted
08/04/2024, 16:38
General
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Target
2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_cryptolocker.exe
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Size
59KB
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MD5
927209c8484d90ab85af3c89f9fbb9c3
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SHA1
c407cadbee19b806cc02dd04d775f7a49a5907c8
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SHA256
566a95d965dd9697b0dec850fa78e4bfb68e0975709f14e9e49ecdcff03cd276
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SHA512
38e43d329692755b6199bcd1b927314ecda13add0720b6aa400758fbd366110f1e50f16cfeccc1cac19927d48d8742eca159170656119166f5a0dc0d4836c80c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5appOtJ:z6QFElP6n+gKmddpMOtEvwDpj9aYao
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\2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-08_927209c8484d90ab85af3c89f9fbb9c3_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
59KB
MD5dd6729567ff1b9bad8bd3dedf90ac0f1
SHA1713cc7c7f0ecd666674d07cc1f1bfad4686bc36a
SHA2567463ffa00829c74af0976edb1f4d042e8985bbb6de2b1ec1b549e1e421adde7c
SHA5123d0ed1bc535c40baba6c68ffedfff2e91766f6a39643c1532a9701580b5b30befab0ef55c9ef04bc938362e88411fc3e7075b2d90c84e34ebc7bae60ced3ca47
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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
24KB
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Filesize
24KB
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Filesize
64KB