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Analysis
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max time kernel
150s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
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submitted
04/04/2024, 16:35
General
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Target
2024-04-04_386a2027a29d95e24b2f2fb59a6a7b00_cryptolocker.exe
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Size
68KB
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MD5
386a2027a29d95e24b2f2fb59a6a7b00
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SHA1
0f496e0b55f5c99c7f5391d2f1eb28e511697be1
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SHA256
705551e42e64dc7d83b4dddfdff8eca793c5e6971939fe0ec67b82afb1abf0c6
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SHA512
58077fffe15946f11c32bdc18410dbd887a2cba0c56a679d0f1b327c288d6442fc6ce5fc58a2d3309badf8208be61226bd3277a0e5a117b273857dd5e7d738b8
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SSDEEP
1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKUE: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\2024-04-04_386a2027a29d95e24b2f2fb59a6a7b00_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-04-04_386a2027a29d95e24b2f2fb59a6a7b00_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
MD518a95dca420cfe938330fc6abd805c9a
SHA1def39421b9a9f513c65bf909b74abae9a411dd18
SHA2568a4b2f012521abf5ddac60f81f3a10409dae72e63b6d506eb886a3f4c5bc6397
SHA5123a0ef5d5e7c0297ea21b4eb46bec64844eb43b2dc9d636f23677850aeb87d6c3204320da28c231646df2d3814227bcd2787cdfa3dc119ba9ddd8bc95a84acc3b
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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