Analysis
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max time kernel
148s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240426-en -
resource tags
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submitted
04-05-2024 15:34
General
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Target
2024-05-04_2f142c3adb6ed12a85e15c853b3efea7_cryptolocker.exe
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Size
80KB
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MD5
2f142c3adb6ed12a85e15c853b3efea7
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SHA1
7e7efc5981df28c536835f84320e2223912dd7ea
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SHA256
43219786a3583e0627b9574362c4e281ae468fc26866b43b1f0ce0c224d07f21
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SHA512
f2e5abedadd30b6679faf95396ebe0820f2c05ab4a8b7b417708abdea0b6a1655ba1a72276a8a8a97281f3fbacafd57816448f6662532321f0716cb856ead8ca
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOAkXtBdL:T6a+rdOOtEvwDpjNtN
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-04_2f142c3adb6ed12a85e15c853b3efea7_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-04_2f142c3adb6ed12a85e15c853b3efea7_cryptolocker.exe"1⤵
- Checks computer location settings
- 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
80KB
MD59e909755df91cf63e5d4250fa466b85f
SHA1767fdba416f70795f4835c3705d2cd80461d679b
SHA256346d514fbc9895f0bce3ca8c67c181e580bc4176d3436cd13f531feec61220a0
SHA51290bc05bdad68d37b6137d01740e4a5dcee3e25bcb5df407b50f27eb119eca69b7e11670156b22984935f3dd85bda0ad0ef40192d1c3c969a234817df2dbcd71e
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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