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Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
14/02/2024, 15:31
General
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Target
2024-02-14_c403314e60ff1c2d76dffcd6feed72db_cryptolocker.exe
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Size
85KB
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MD5
c403314e60ff1c2d76dffcd6feed72db
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SHA1
997174c2b795217d4ba2667eaddbbe763b2f51ab
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SHA256
d5e93a60ff3e1dffbd6d0a05b5cac1c6f46a4b906b0c18d1f57d0fd097d05b22
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SHA512
bf2119048dd9bab0adfc4df8c64120e992a514ba231cfa46f237a49bb905683cd719a33959c8b3000301a21fe866b52a75f276176fcb84e594746e2c007acd30
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtISET:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgC
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\2024-02-14_c403314e60ff1c2d76dffcd6feed72db_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_c403314e60ff1c2d76dffcd6feed72db_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
86KB
MD5a3753a7abdbefea837970d886312aefd
SHA1642ef7e08eab3fee379ebc0f11db3ba0f3b04924
SHA2567aba2e5e9c849fc5855999bec9b58050db46a31ff9e21511ea880a612d5b9f45
SHA512c6ddc3f9f46f79a7bbb254103974f7d53f9177367d87c9be78109cc826fe5ea27b75708c44519836ecb21c8397ceddfa4452842e4b9e855bb567a7571937da99
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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