Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231222-en -
resource tags
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submitted
26/01/2024, 00:24
General
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Target
2024-01-26_0fc9aa4dab5977d75135a972eb25c6ac_cryptolocker.exe
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Size
68KB
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MD5
0fc9aa4dab5977d75135a972eb25c6ac
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SHA1
252d2aa00ff8481e20086ab7d4a550ecf6894ef9
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SHA256
2dcdfb545d3479414e3d23c0c828bf3c35caaaeae4f036423099a6e8b4a3729e
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SHA512
2bde238f7674ca705735a4a8afb481d9f0fc6d276d3ff0f4d1bcbc5e87dc2a81acb599fb6cd6cafc255a2dd58f532d55cafee7e78f498f92c0ff5ec11d1dc9b1
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SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKU0:DW60sllyWOtEvwDpjwF85m
Malware Config
Signatures
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Detection of CryptoLocker Variants 4 IoCs
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Detection of Cryptolocker Samples 4 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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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\2024-01-26_0fc9aa4dab5977d75135a972eb25c6ac_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-26_0fc9aa4dab5977d75135a972eb25c6ac_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
68KB
MD533fa5951591f6553977778ea26dd7f9c
SHA1d5a1932e370655e7f4955768550f0d5fb1fa6c1b
SHA25655ad72747c387107c55098f8f169464c94ff6fcf84bc4108cbd54fc1dc1e96da
SHA512443bf43ffa613c604494a6adbce6f4051962312b402de349e917f7dbc66e9b1e404188048917a628f0df7aeb67dbfc69a24cc3a97e0134257c7e6663f096e81a
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB
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Filesize
24KB
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Filesize
44KB
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Filesize
44KB
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Filesize
24KB
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Filesize
24KB