Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
26-01-2024 11:39
General
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Target
2024-01-26_d29462da30c9f9abc36855fa3a5d85c4_cryptolocker.exe
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Size
62KB
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MD5
d29462da30c9f9abc36855fa3a5d85c4
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SHA1
d12600e1a109a5a4833bdd60c7806feedd01c7bd
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SHA256
d9e6e4255519a9a4e2e0d9d1639fd9d10e912e0391c6b901b23a93f002429995
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SHA512
1b80499b6a6b7be09ea91cdec1e50893c3304419d2405bf44ec3604518de91a147053fd00f91f2ff2b84a58d77a71b191fcc0bb82f67aab537dc452f8b84052d
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7S:zj+soPSMOtEvwDpj4kpmeLm5
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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Checks computer location settings 2 TTPs 2 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 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 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-26_d29462da30c9f9abc36855fa3a5d85c4_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_d29462da30c9f9abc36855fa3a5d85c4_cryptolocker.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"2⤵
- Checks computer location settings
- 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
62KB
MD503e3c4a90e0a94991bbb4c22febecf7c
SHA140c38ab062b1aa10b93c9283da7a2a04be32f3ef
SHA256c8372bc22534448691fa7f78d5c886eb8795ee1601a9242a9fee4e657b41b445
SHA5121fd8bcc54746c77f1858870faec878c0f670d2e6e9f074ead88007f0dfb05659d6281d8260e7938c52cdcfb544daac6795ca9861eac80b9ab25fc2c1a0e479f9
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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