Analysis
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max time kernel
149s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
09/03/2024, 03:39
General
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Target
2024-03-09_b75325a80e053b3083c469add6e71335_cryptolocker.exe
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Size
55KB
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MD5
b75325a80e053b3083c469add6e71335
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SHA1
e79955054de367fa48e42aae9988433c20f9f861
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SHA256
9d2e2a36c54a20514204759281c2865641c047ae88672ec42b76b3e63a35ff6f
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SHA512
4069c58624a312f9405894c7023123d6d80d05f00d410adfdfc9c86590d1810af9d9e9654369a0be7166e4fc5a18b3c6c39afac4db890e0bcf35e510bb39b483
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axco:z6QFElP6n+gKmddpMOtEvwDpj9aYaF
Malware Config
Signatures
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Detection of CryptoLocker Variants 6 IoCs
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Detection of Cryptolocker Samples 6 IoCs
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UPX dump on OEP (original entry point) 6 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 6 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\2024-03-09_b75325a80e053b3083c469add6e71335_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-09_b75325a80e053b3083c469add6e71335_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
55KB
MD5db545405ea315a61f0d303739fefe265
SHA1136d0c2162533fc101a62a6e7b5f932031e66d30
SHA256d07cf0d2e22eb4dc2fbcba965f431c30f557755b41a71a26b874e2dc9870b4bb
SHA5125c9506d874a9d02199e453cf0a7b3f23c7d19d4f0ff6c9c2c856e3b54260283147ded294c40a1f6518bfd73f5fc2713c84ae1deebe17cc34ff100fbdab796c0d
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Filesize
64KB
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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
24KB
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Filesize
64KB
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Filesize
64KB