Analysis
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max time kernel
148s -
max time network
148s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
29/04/2024, 12:41
General
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Target
2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker.exe
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Size
99KB
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MD5
b0cd86ee051c89f387ccd9f2eaea166d
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SHA1
709a79762c87f4862086df335b4403d596f9ee5c
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SHA256
0cacf4c8e531be827e0bf2c89cd7bf27cb7e6652e23962af0f8ff93f44719397
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SHA512
cde8a3451297589b1dfb2a4f9290f8c02f908946c5c2d92fe62a2f7f3eb14aa7473af8a0a065818aa268b6449ceffad73dabac097551d038397413fd9ce3b5d7
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbbr/BKiX7R:z6a+CdOOtEvwDpjc5
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\2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-29_b0cd86ee051c89f387ccd9f2eaea166d_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
99KB
MD5be531d420d4585c53a9691b2d5e25ad6
SHA15c5972df3f13abd0306ba0a0b56d347a5c2d64ac
SHA25625b6baff47b4578600b95993ac768b2dfb864f8d6358b3864ad28a667cf9438d
SHA5129fda58cdafc4f1847bd6323dbd83f7fd568db6aef677e38b9189ca1659a0d5f01c045f192c8d6bccb6ca5a311679fc736880df1e2e0274fc6e05896fc7d35c9d
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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