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Analysis
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max time kernel
156s -
max time network
191s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
03/12/2022, 07:48
Behavioral task
behavioral1
Sample
80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe
Resource
win7-20220812-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
11 signatures
150 seconds
General
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Target
80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe
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Size
486KB
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MD5
2d00d69761c999252896aa193c5938b6
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SHA1
8643404bb111ff117c193e13a7266dd0676b165c
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SHA256
80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62
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SHA512
bcd1359d194f71d35ac475d4953b5904f01da406c41e06bb00979e62c1b2aea416f43ade5d6eb3983fea9ea952d3dc210e5768544befe7a6ebae78230a31c5ec
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SSDEEP
6144:9HLCVO8DoBuIZJ5iD0jsY7tBU84rK4QtvmeHKS:AM5BuI75iQjswz4r1yq
Score
10/10
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe SCVVHSOT.exe" 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Disables RegEdit via registry modification 1 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1" 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Disables Task Manager via registry modification
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resource yara_rule behavioral2/memory/4656-132-0x0000000000400000-0x000000000049A000-memory.dmp upx behavioral2/memory/4656-137-0x0000000000400000-0x000000000049A000-memory.dmp upx -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Software\Microsoft\Windows\CurrentVersion\Run 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Yahoo Messengger = "C:\\Windows\\system32\\SCVVHSOT.exe" 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Enumerates connected drives 3 TTPs 24 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\q: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\a: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\b: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\e: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\i: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\k: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\m: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\o: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\z: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\g: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\h: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\s: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\t: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\u: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\w: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\x: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\f: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\n: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\r: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\y: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\j: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\l: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\p: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened (read-only) \??\v: 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Drops file in System32 directory 7 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\setting.ini 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File created C:\Windows\SysWOW64\SCVVHSOT.exe 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened for modification C:\Windows\SysWOW64\SCVVHSOT.exe 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File created C:\Windows\SysWOW64\blastclnnn.exe 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened for modification C:\Windows\SysWOW64\blastclnnn.exe 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened for modification C:\Windows\SysWOW64\autorun.ini 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File created C:\Windows\SysWOW64\setting.ini 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\SCVVHSOT.exe 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe File opened for modification C:\Windows\SCVVHSOT.exe 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4656 wrote to memory of 4796 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 80 PID 4656 wrote to memory of 4796 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 80 PID 4656 wrote to memory of 4796 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 80 PID 4796 wrote to memory of 4760 4796 cmd.exe 82 PID 4796 wrote to memory of 4760 4796 cmd.exe 82 PID 4796 wrote to memory of 4760 4796 cmd.exe 82 PID 4656 wrote to memory of 4964 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 83 PID 4656 wrote to memory of 4964 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 83 PID 4656 wrote to memory of 4964 4656 80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe 83 PID 4964 wrote to memory of 4236 4964 cmd.exe 85 PID 4964 wrote to memory of 4236 4964 cmd.exe 85 PID 4964 wrote to memory of 4236 4964 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe"C:\Users\Admin\AppData\Local\Temp\80f76b8667e40c879fcad05ce070cef3a38159e540fdf73bfda2bb45b47e4a62.exe"1⤵
- Modifies WinLogon for persistence
- Disables RegEdit via registry modification
- Adds Run key to start application
- Enumerates connected drives
- Drops file in System32 directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4656 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT /delete /yes2⤵
- Suspicious use of WriteProcessMemory
PID:4796 -
C:\Windows\SysWOW64\at.exeAT /delete /yes3⤵PID:4760
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /C AT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\blastclnnn.exe2⤵
- Suspicious use of WriteProcessMemory
PID:4964 -
C:\Windows\SysWOW64\at.exeAT 09:00 /interactive /EVERY:m,t,w,th,f,s,su C:\Windows\system32\blastclnnn.exe3⤵PID:4236
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