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Analysis
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max time kernel
0s -
max time network
146s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
05/01/2024, 05:40
Behavioral task
behavioral1
Sample
2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe
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Size
59KB
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MD5
2f260d6baf3d54a78679b90c6237a04e
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SHA1
384cbeb237624d311e5706edcf0d7548e577ccbd
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SHA256
ca03ba6a0bc791829c3e58f8de6f1dc59852e02fabbe30e6e5f4ec4c3ab34577
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SHA512
088750dd5b94647a91c47c72c86135db4eaa1141889d79184aecdb8987f0b76a0e6fad5eb4b125337a6d786ecca2694a84b91839add278d11467063bbb3f304a
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLt:zj+soPSMOtEvwDpj4kpmeLmZ
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2668 misid.exe -
Loads dropped DLL 1 IoCs
pid Process 816 2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe -
resource yara_rule behavioral1/memory/2668-17-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/816-15-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/816-1-0x0000000000500000-0x0000000000510000-memory.dmp upx behavioral1/memory/2668-28-0x0000000000500000-0x0000000000510000-memory.dmp upx -
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
description pid Process procid_target PID 816 wrote to memory of 2668 816 2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe 16 PID 816 wrote to memory of 2668 816 2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe 16 PID 816 wrote to memory of 2668 816 2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe 16 PID 816 wrote to memory of 2668 816 2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe 16
Processes
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C:\Users\Admin\AppData\Local\Temp\misid.exe"C:\Users\Admin\AppData\Local\Temp\misid.exe"1⤵
- Executes dropped EXE
PID:2668
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C:\Users\Admin\AppData\Local\Temp\2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:816