Analysis
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max time kernel
150s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
20/11/2024, 05:25
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe
Resource
win10v2004-20241007-en
General
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Target
2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe
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Size
56KB
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MD5
7607bc049e4a94020fcde4334571fd65
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SHA1
f97400b193176c5605d2aef1da0f51ae4643de73
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SHA256
e4484c28821977f905da85cb69c646cc6ff71498916ac6e0078e7cbfbf12237a
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SHA512
b6055c94672f31a8de477be06df78ce151f6682bd18a12b3a593609c1c652597b1a21d72a2961184e980a2128ab08830e8712800c32a5bfe5541db57f7071630
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SSDEEP
1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1xzpAIX6ExQ:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7X
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 2412 hurok.exe -
Loads dropped DLL 1 IoCs
pid Process 2096 2024-11-20_7607bc049e4a94020fcde4334571fd65_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_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hurok.exe -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2096 2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe 2412 hurok.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2096 wrote to memory of 2412 2096 2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe 30 PID 2096 wrote to memory of 2412 2096 2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe 30 PID 2096 wrote to memory of 2412 2096 2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe 30 PID 2096 wrote to memory of 2412 2096 2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe"C:\Users\Admin\AppData\Local\Temp\2024-11-20_7607bc049e4a94020fcde4334571fd65_cryptolocker.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2096 -
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:2412
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
56KB
MD548b49a1defa9a351be06db9f96a076aa
SHA1dc4ac9bcd11e542a26399a30ef2a112fa0286e94
SHA2560c2add22633ac80e4db04878dc03d1e1b5f6739933d889f9b3b0ceaed2a44066
SHA512ce73a6dd80d094e4f08fbc400c8ac6af2eb6dcc27bcf47731b6cbd262dca70d110e55f41e28b24341aa576759b425e51ced3f1aeb296a76c4c1149163e2f71ca