Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
03-06-2024 03:31
General
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Target
2024-06-03_3012bf9abe366027967fc55c1d15221c_cryptolocker.exe
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Size
67KB
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MD5
3012bf9abe366027967fc55c1d15221c
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SHA1
3d1b9e7c990cb9785636e777578c0509de11996e
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SHA256
5428e74024e277c2c7bea571e9a0a4d6956d01471af9c48f290a66a54794e28a
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SHA512
fbbaf7ece2f035d17fc54cf3510fdbc9da09b1993fb1ed69c8af9f6aceb776d8545aa72afc72dc5291f745e9236d12704c3d41dde295e4c45e78f9fb488bd183
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyfn:1nK6a+qdOOtEvwDpjc
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\2024-06-03_3012bf9abe366027967fc55c1d15221c_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-06-03_3012bf9abe366027967fc55c1d15221c_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
67KB
MD51d9f515cb8b960103a43956b98dcf4dc
SHA1919f9c1ca9d7e87493eea0a6a3b40e08aca7e97a
SHA2568bfccc3159e57ef400ffe09d9df289d729cd34cced73955d68527f508c74eb2c
SHA512b7f1b4ecd8f9f4c80a643b894c299bf96280947a704e8ce50f9457dd3c30cc6f4445d9603a86c43acadd82b98187d40ddaff36facab718ab39cd9f51229e47f5
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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
60KB