Analysis
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max time kernel
148s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
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submitted
23/02/2024, 06:47
General
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Target
2024-02-23_8540ef718f5b8d8010df43b2d92f8dcb_cryptolocker.exe
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Size
29KB
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MD5
8540ef718f5b8d8010df43b2d92f8dcb
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SHA1
76be1b41ae22d55e8fc079498f173e6872739c33
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SHA256
895cab6f5a5c4b5bc173b14e3f339c03d0becb6c784a180d6bc6044bab96b567
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SHA512
fb27984faacec5723e1bc556f4ce955bcbc04fa30f7d0d9fe6c70fc9bd46bf4cbc31d804110cc1b093c62144391250fd32705d52384b365fdfa5b7fa7678bf43
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SSDEEP
768:q0ZziOWwULueOSdE8tOOtEvwDpjeWaJIOc+pxA:q0zizzOSxMOtEvwDpj/ara
Malware Config
Signatures
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Detection of CryptoLocker Variants 5 IoCs
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Detection of Cryptolocker Samples 3 IoCs
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UPX dump on OEP (original entry point) 5 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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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 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-23_8540ef718f5b8d8010df43b2d92f8dcb_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-23_8540ef718f5b8d8010df43b2d92f8dcb_cryptolocker.exe"1⤵
- Loads dropped DLL
- 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
29KB
MD5a7f94d6fbbcf9c94164a0d315da68ef5
SHA16b4470454801f9a8e64e7db6fdf1d2be2ce7c04f
SHA2567cce7d6c6e89f285863648a6a871888ea88f4cb143359948c2dabf5e299e6ec5
SHA512d23507a2d3f2b7188c3ed123a370e9b3a783c1b053ceae300ba65d245b3880b06bb12b1733922f500617df7b03095f6476d02b732c0944c02900c9e9ae58e9d6
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB
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Filesize
64KB
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Filesize
24KB
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Filesize
24KB
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Filesize
64KB