Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240221-en -
resource tags
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submitted
22/02/2024, 05:24
General
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Target
2024-02-22_052643d7ca22e1048f36eed99a0e455d_cryptolocker.exe
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Size
35KB
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MD5
052643d7ca22e1048f36eed99a0e455d
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SHA1
fa1172dfa278f527d897dee9dd318bfe7b04ced1
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SHA256
59cb28e2cf025ef5550359f763ad0f426b0e3eb77f3831a4410554b51e734814
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SHA512
20f92d4951add86d45577abdf4a64b01010f9217f7eeee06b3336646216bd1d1ed697b0324b4fd4e0a98849f58563591c2c0cc840695b58f12ac1f3892c97814
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5ax+X:qUmnpomddpMOtEvwDpjjaYa2
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\2024-02-22_052643d7ca22e1048f36eed99a0e455d_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-22_052643d7ca22e1048f36eed99a0e455d_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
35KB
MD55c0c9ed38457c36a531ea63c36b4eee7
SHA1f04ce4af544053070a94b9b02b6364705ec2e64f
SHA2566163ece0a6382f5f9f0fd30cb23c1a8454687f0a429577690c58c80029142edf
SHA51240bb88a997bcbc9ff0dc1874c83709e9040aaacf323ba704ee15041e11e31f221bcc54ff2ec4404b31ff95724ac7914ec4691f17db004a966ec80a19c0dc4978
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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
60KB
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Filesize
24KB
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Filesize
24KB
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Filesize
60KB