Analysis
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max time kernel
144s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
19/02/2024, 18:22
General
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Target
2024-02-19_05aa3ebe258504674e827e8ab25100bf_cryptolocker.exe
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Size
85KB
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MD5
05aa3ebe258504674e827e8ab25100bf
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SHA1
c797d32f1d0db25e7875c307ce24b931fa488ae7
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SHA256
6b10e56f907ff1c9e2f97eeeac7e041c8f9bc2c64898ce71cb28054fbd2e86bf
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SHA512
0906d4b7bb9db7a9f83cddec582d64790746520ceccda79cee2ad3455a6928b9aca0c826f1adb19a0b4270abcf8d0df5b965a587bf98369d8b8ef6dd4f04762c
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SSDEEP
768:qkmnjFom/kLyMro2GtOOtEvwDpjeY10Y/YMsvlMdwPK80GQuchoIgtIEb:qkmnpomddpMOtEvwDpjJGYQbN/PKwMgn
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\2024-02-19_05aa3ebe258504674e827e8ab25100bf_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-19_05aa3ebe258504674e827e8ab25100bf_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
85KB
MD5edf0bc7c718ef1b273647f5fb1ef5f3f
SHA1de28ebdb38287bbf79d5af2cfa04caf3cd740fc0
SHA2568cc37039a86079509098aa9db5c92389c8df08b778363257a8108fc4719e25eb
SHA51247bc53e2693501cbc1a45773d895d155310831fa663e44d331f946a7a482ee5362ac7ab24e0f6b4c8570a825f06d3b20a173b9e0229bec4bc7e0d10933fd5dc5
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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