Analysis
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max time kernel
150s -
max time network
156s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 05:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe
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Size
69KB
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MD5
7a710599a966b08d35ceb2200dd80392
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SHA1
6d4a9d49064e1446c1f79619ab5130f365fcfb84
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SHA256
8698cb00e56e2ab1e856617b682b82445ca5652f42213ad1581364c45aa6aeee
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SHA512
e4b4afa91fe7e633398d505dd458e94aa8bb2a5c768f23388678104f58093c01d47291fa6497605483c2d0c8081ef07adf24461ad8d06ce02de16e618880afab
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszudnYTjipvF293vaRLEg:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7I
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2908 hurok.exe -
Loads dropped DLL 1 IoCs
pid Process 1232 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 1232 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe 2908 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1232 wrote to memory of 2908 1232 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe 30 PID 1232 wrote to memory of 2908 1232 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe 30 PID 1232 wrote to memory of 2908 1232 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe 30 PID 1232 wrote to memory of 2908 1232 2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_7a710599a966b08d35ceb2200dd80392_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1232 -
C:\Users\Admin\AppData\Local\Temp\hurok.exe"C:\Users\Admin\AppData\Local\Temp\hurok.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
PID:2908
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
69KB
MD5087ce26564f50509ab128bbf60437ead
SHA1a3a87b75c67687ae6bd008a11699ee08fc7701a7
SHA256322253ff5c2187f1d935bc83ea97614460ffb04be18cd7d235ca0abf8f5e343b
SHA512a7e69d85d1041d93983bf97b3adbb86b748887f36cd02dc104baf70c91604dbbef203079e241319dc58ff17d6e955edfb811a9f2c61d3b0735aac778162eba23