Analysis
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max time kernel
147s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240419-en -
resource tags
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submitted
05-05-2024 08:37
General
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Target
2024-05-05_e8574fda6b4ddf235348bc12598d9c0a_cryptolocker.exe
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Size
62KB
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MD5
e8574fda6b4ddf235348bc12598d9c0a
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SHA1
0ae32d2d34c9a63042a93dcd52b2e0edf21ae64e
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SHA256
4e184d635dd2679d0258169ac290031ee1d441c7cd0c92d2e8160e6d101e0e81
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SHA512
ac57669ec3485909c71d5cfa2bbfa282fb371600834816c88c5d9c389cf32fce2b4deca51dddcfb815be03c44e87bde5db9f3955a74f33eabd499a199dbd4db4
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SSDEEP
768:P8mnjO6LsoEEeegiZPvEhHSG+gbum/kLyMro2GtOOtEvwDpjKvWxHCbSVaFn0jKF:P8mnK6QFElP6n+gymddpMOtEvwDpjYM+
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\2024-05-05_e8574fda6b4ddf235348bc12598d9c0a_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-05_e8574fda6b4ddf235348bc12598d9c0a_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
62KB
MD59a1c8b39188557a91a3c93a7c0427eb7
SHA19768f2fad27ecb12f9f86e25371f510e1e9edd0c
SHA25666c313cc1befb6c1394638d5db45b08564939dce9fcbdbfe91ccb2abbb0be041
SHA5129d45fa77f97ab54cc2d829ebc4207a4f8b7dce5d9b05928468247eb8667ea67e09b21cb4cd1e5ed0c6039fdf63971e74c273eeb73faaf2565f57bca027c8bcd9
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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