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Analysis
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max time kernel
140s -
max time network
139s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
04/01/2024, 15:14
Static task
static1
Behavioral task
behavioral1
Sample
2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe
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Size
56KB
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MD5
321072160eed4640ce9938dfe953b07f
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SHA1
9d1715056e177a662eee637bff122e9aabdffb9e
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SHA256
66bb57f798b2f12c8b9ea26e7c240ecfdd09376f16734f1e155953f30730727d
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SHA512
17eafe935020bd2f240a6b4eb7e740fd1a00717cb9032088725b880cb25ee5cebf83441cbbec7077341ae26f0a9f2b0085f1f10d81ad210b0d2be4ddf0c73e4e
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SSDEEP
1536:qmbhXDmjr5MOtEvwDpj5cDtKkQZQRKb611Z:BbdDmjr+OtEvwDpjMN
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3040 asih.exe -
Loads dropped DLL 1 IoCs
pid Process 2972 2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe -
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 2972 wrote to memory of 3040 2972 2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe 14 PID 2972 wrote to memory of 3040 2972 2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe 14 PID 2972 wrote to memory of 3040 2972 2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe 14 PID 2972 wrote to memory of 3040 2972 2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe 14
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-01-03_321072160eed4640ce9938dfe953b07f_cryptolocker.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2972 -
C:\Users\Admin\AppData\Local\Temp\asih.exe"C:\Users\Admin\AppData\Local\Temp\asih.exe"2⤵
- Executes dropped EXE
PID:3040
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD57f85b9b4b0cbc037a180d9d6e2ab71b0
SHA12bbbe70da70d2b2c6e4114c391bd2c576e8c3d6a
SHA256b426e5874d421055e6ade71d3e5658b0ba946cf5119cb9220eb943e2d6d4b7fd
SHA512696068124f67d821f224eb803553342bde18670c9dcd6fd883bb9f92aceaf82de9a26da8f702e6c282bc48ac5b4ca659af4492bed930efa886bb907edbfda650