Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240215-en -
resource tags
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submitted
21/02/2024, 13:27
General
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Target
2024-02-21_2019f2e5a5fa9f4404ba54f0a598f3e8_cryptolocker.exe
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Size
35KB
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MD5
2019f2e5a5fa9f4404ba54f0a598f3e8
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SHA1
4ed241d8e8a08c1b53109c070c5a3f0bfcbdaab0
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SHA256
6a95c6c553bc16476627f6573881b2742751be248371c242e58abb1acb462fed
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SHA512
1c99a98c7cffd5bb043f0459ac8e47037a465c493b30e92c7d69c8ecc2c62885ac25274bb19e04651f7efb37b975dd126c8fec3764ef9226c6227303744bf70c
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5ax+h:qUmnpomddpMOtEvwDpjjaYac
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\2024-02-21_2019f2e5a5fa9f4404ba54f0a598f3e8_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-21_2019f2e5a5fa9f4404ba54f0a598f3e8_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
35KB
MD580f327a70d88ec4130f19106f6e91931
SHA1ced6d14d7c12eea3e2546bf91daa418236848dca
SHA25693828343ec41c54c14b35e4711279f68084b4bec0440053cc5a2f52ea7fd52b0
SHA5123b4719f5a67617c59c1b03f47ce7c60fe1a57e1aa4553cb7874ccdfd69f595b9ee9e02354aaec54a036e1225ed237baae00f77fb9fb0ba2ea26f9d9022f6ae43
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB