Analysis
- max time kernel
58s - max time network
69s - platform
windows10_x64 - resource
win10v20201028 - submitted
08/12/2020, 07:41
Static task
static1
Behavioral task
behavioral1
Sample
13f4b7e1f2c04b807975514036ca9c09.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target 13f4b7e1f2c04b807975514036ca9c09.exe
- Size 550KB
- Sample201208-g2xhlt5adn
- SHA256 dcad9f659dc4eba1e24a19a68661e64aee4c4ba1e9465fab91535c3db50dfe5a
- MD5 13f4b7e1f2c04b807975514036ca9c09
- SHA1 d4c7c66769d9b5be18f68777590d9369dd9a057f
- SHA512 b07b95bc4bc9b41a98212b58b9ad0b47d58fcc04867f781528e1070c80af53a3902c90bbe632386ed3dc9e822aa456ff20a04992eb04666a47805ebc5fe9236c
- MD5 SHA1 SHA512
Malware Config
Signatures
- Contains code to disable Windows Defender 2 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
resource yara_rule behavioral2/memory/3108-12-0x0000000000400000-0x0000000000408000-memory.dmp disable_win_def behavioral2/memory/3108-13-0x0000000000403BEE-mapping.dmp disable_win_def -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 13f4b7e1f2c04b807975514036ca9c09.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 13f4b7e1f2c04b807975514036ca9c09.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 972 set thread context of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 - Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 4084 powershell.exe 4084 powershell.exe 4084 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4084 powershell.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 972 wrote to memory of 3108 972 13f4b7e1f2c04b807975514036ca9c09.exe 79 PID 3108 wrote to memory of 4084 3108 13f4b7e1f2c04b807975514036ca9c09.exe 80 PID 3108 wrote to memory of 4084 3108 13f4b7e1f2c04b807975514036ca9c09.exe 80 PID 3108 wrote to memory of 4084 3108 13f4b7e1f2c04b807975514036ca9c09.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\13f4b7e1f2c04b807975514036ca9c09.exe"C:\Users\Admin\AppData\Local\Temp\13f4b7e1f2c04b807975514036ca9c09.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:972 -
C:\Users\Admin\AppData\Local\Temp\13f4b7e1f2c04b807975514036ca9c09.exe"{path}"2⤵
- Windows security modification
- Suspicious use of WriteProcessMemory
PID:3108 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4084
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