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Analysis
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max time kernel
149s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
26/03/2024, 06:27
General
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Target
2024-03-26_101622887efedb5dc0c1f86022ec07a9_cryptolocker.exe
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Size
100KB
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MD5
101622887efedb5dc0c1f86022ec07a9
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SHA1
ade51e796bfb6ab3e70d9a2c3421ac3282b6c975
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SHA256
f2b1e047fdb62f148bb72593ce14a003dee33fa6cba04b18f66f0e85ecd6fc86
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SHA512
3e27a51192895ff08a29958c8ddc7ff133cd0c874d84802eddc524500c45f0ed301ba8ae660b2d848379c9a808651fc93370fb6a911008c20a0c9f931fc24bd5
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgpwqWsviPy/:AnBdOOtEvwDpj6zk
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\2024-03-26_101622887efedb5dc0c1f86022ec07a9_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-03-26_101622887efedb5dc0c1f86022ec07a9_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
100KB
MD5c67d9fe843c5853a598127d76db6fe75
SHA1eb015d0b78146a39a38bbef1009ab3e8b291ac73
SHA25626c2afe2743f464b2d7333047b46a40a5eaf7d219c71fd27a8c3111171c9abd2
SHA5125aaf4f3de07eb0a4b2daa8df00e3a5e553c92e835ab76c8e51546462ed509b9348e79d83cc666fbabd6dc214b8f14792eec3e4af4f7a5dffd25f9cd7e13e4fa9
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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