Analysis
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max time kernel
148s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
14-02-2024 02:14
General
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Target
2024-02-14_d78f1979625002443da763ff0788fea1_cryptolocker.exe
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Size
93KB
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MD5
d78f1979625002443da763ff0788fea1
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SHA1
6e865ebd60fb1a56965db85c804d4839d7a4f124
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SHA256
83f3a8cb0a01b363a0f945abc9230c966b7c1c1f4927ed995e4b9092a9bdf5cf
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SHA512
8d282182c7b64536082da7e514b91b5cadbac704f13e7f1e7e8a40879f46efeb74e4563c0fb269e97d99547f1027d9d47a50a2dee6b7e0cfbe86bb7c18f6acc3
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SSDEEP
1536:qkmnpomddpMOtEvwDpjJGYQbN/PKwNgp0QVOE3:AnBdOOtEvwDpj6z4
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_d78f1979625002443da763ff0788fea1_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-14_d78f1979625002443da763ff0788fea1_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
93KB
MD5f27bb4a3cbe81d6045b7cf151d1d771c
SHA12a3dbc5cdb352af15ee097a9fe8b926bc5af0cfa
SHA256bc0cff4f9fb0b9a50183e7387617ec868409458ea313da78a176e59ec2f1b907
SHA5124fdde0bac5dd08a165b1d630cb681fef4f1e12e947bfd16f601ab1dfc4bde019d3f7dec46e11ac6a778aff57be628cf78f760c91120a2812d1aad376514fd279
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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