Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
01/06/2024, 03:22
General
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Target
2024-06-01_0294a97f6212c0d917423b3db713a191_cryptolocker.exe
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Size
65KB
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MD5
0294a97f6212c0d917423b3db713a191
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SHA1
48bc08a9a2c5abd749c57f77627cdfdcb07be2b5
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SHA256
4cec12e9e8af86edeacf7df45e504164b6685fe58f1c7f360cfc19cb532ee046
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SHA512
c0aded48e174fd1036f5dccbf929751808939925a66d6a234883676c1281e37de2d9f81203a30de397a9fad2a3b316453879af19c3eba87b602b2a55e4be278a
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjY6UAXXM:1nK6a+qdOOtEvwDpj8
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\2024-06-01_0294a97f6212c0d917423b3db713a191_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-01_0294a97f6212c0d917423b3db713a191_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
66KB
MD530a96531523c03ea11c39de5313a6909
SHA18268ce93718fcb2377bb149fb94a7c0f397869bb
SHA2564e37620c80abeccea5e725f3f3ba40b606e3a7f40050b2c7fb16f0a753b404c1
SHA512474edfd5fcc7465df3645b31aee35c3bac8f128f141763c6ae251626ab7a18fd06ae85d3b6b0aa41a165bc53de6b353ca6ad74875572d065d575955e7d2420c4
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Filesize
60KB
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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
24KB
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Filesize
60KB