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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
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submitted
29/05/2024, 06:55
General
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Target
2024-05-29_d120b3bef824d561681cc6e0e3d52e64_cryptolocker.exe
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Size
97KB
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MD5
d120b3bef824d561681cc6e0e3d52e64
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SHA1
227644ff2fa8a056771e35f75e037412d0ac9e86
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SHA256
b37207d66199910e160d422735c4008ba678c83ca20f878be9ba26580ef2e575
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SHA512
d5d6a929c3a7df237b68d22e9ac2dd09aa8ea10f5556942113d6c15d659dcd4162bde5cb9369b55f608cf43fe79572b1a52c532d461212c7616e465a9b8c27c7
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp01EG:AnBdOOtEvwDpj6zZ
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\2024-05-29_d120b3bef824d561681cc6e0e3d52e64_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-29_d120b3bef824d561681cc6e0e3d52e64_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
97KB
MD584aaab65b905dc8bca07d9ce0fd097e9
SHA11947216ee60b6a266ac71950d8411aaefc183b1f
SHA256c7b6e2b6e54ef3fe6be7abe22285161083efdecf1845ccb15ea0bd53dd824d1d
SHA512d511d3e75becea135fe642894a5ae86ae1cde8c3c75c4700200a470c73fec0f71f9c405be082dc68c017d6835a37a54afca99c0610b882bbfe7bff03d0d66f25
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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