Analysis
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max time kernel
6s -
max time network
12s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
04/02/2024, 14:39 UTC
Behavioral task
behavioral1
Sample
58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
Resource
win7-20231215-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
Resource
win10v2004-20231215-en
windows10-2004-x64
27 signatures
150 seconds
Errors
Reason
Machine shutdown
General
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Target
58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
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Size
82KB
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MD5
e01e11dca5e8b08fc8231b1cb6e2048c
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SHA1
4983d07f004436caa3f10b38adacbba6a4ede01a
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SHA256
58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f
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SHA512
298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de
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SSDEEP
1536:PcW4lAJGGnzjoih/NDh/NDuk+XkGAK/hztXcag+PlbBfkWIyvZrw281r5XsmCZEe:UWNGszjoih/NDh/NDuk+XkGAK/hztXcQ
Score
10/10
Malware Config
Signatures
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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 behavioral1/memory/2052-0-0x0000000000D90000-0x0000000000DAA000-memory.dmp disable_win_def behavioral1/memory/2052-2-0x000000001A810000-0x000000001A890000-memory.dmp disable_win_def -
Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Users\\Admin\\AppData\\Local\\Temp\\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe,C:\\Windows\\system32\\userinit.exe" reg.exe -
Detects executables containing artifacts associated with disabling Widnows Defender 2 IoCs
resource yara_rule behavioral1/memory/2052-0-0x0000000000D90000-0x0000000000DAA000-memory.dmp INDICATOR_SUSPICIOUS_DisableWinDefender behavioral1/memory/2052-2-0x000000001A810000-0x000000001A890000-memory.dmp INDICATOR_SUSPICIOUS_DisableWinDefender -
Detects executables embedding registry key / value combination indicative of disabling Windows Defender features 2 IoCs
resource yara_rule behavioral1/memory/2052-0-0x0000000000D90000-0x0000000000DAA000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender behavioral1/memory/2052-2-0x000000001A810000-0x000000001A890000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender -
Detects executables referencing many base64-encoded IR and analysis tools names 2 IoCs
resource yara_rule behavioral1/memory/2052-0-0x0000000000D90000-0x0000000000DAA000-memory.dmp INDICATOR_SUSPICIOUS_References_SecTools_B64Encoded behavioral1/memory/2052-2-0x000000001A810000-0x000000001A890000-memory.dmp INDICATOR_SUSPICIOUS_References_SecTools_B64Encoded -
Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
pid Process 1672 bcdedit.exe -
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe -
Modifies registry key 1 TTPs 1 IoCs
pid Process 1872 reg.exe -
Runs net.exe
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe Token: SeShutdownPrivilege 2280 shutdown.exe Token: SeRemoteShutdownPrivilege 2280 shutdown.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2052 wrote to memory of 1872 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 28 PID 2052 wrote to memory of 1872 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 28 PID 2052 wrote to memory of 1872 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 28 PID 2052 wrote to memory of 1672 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 29 PID 2052 wrote to memory of 1672 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 29 PID 2052 wrote to memory of 1672 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 29 PID 2052 wrote to memory of 2004 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 32 PID 2052 wrote to memory of 2004 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 32 PID 2052 wrote to memory of 2004 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 32 PID 2052 wrote to memory of 1904 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 34 PID 2052 wrote to memory of 1904 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 34 PID 2052 wrote to memory of 1904 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 34 PID 2052 wrote to memory of 2280 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 36 PID 2052 wrote to memory of 2280 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 36 PID 2052 wrote to memory of 2280 2052 58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe 36 PID 1904 wrote to memory of 2844 1904 net.exe 38 PID 1904 wrote to memory of 2844 1904 net.exe 38 PID 1904 wrote to memory of 2844 1904 net.exe 38
Processes
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C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe"C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe"1⤵
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Windows\system32\reg.exe"reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f2⤵
- Modifies registry key
PID:1872
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C:\Windows\system32\bcdedit.exe"bcdedit.exe" /set {default} safeboot network2⤵
- Modifies boot configuration data using bcdedit
PID:1672
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C:\Windows\system32\reg.exe"reg.exe" add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon" /v Userinit /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe","C:\Windows\system32\userinit.exe" /f2⤵
- Modifies WinLogon for persistence
PID:2004
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C:\Windows\system32\net.exe"net.exe" user Admin ""2⤵
- Suspicious use of WriteProcessMemory
PID:1904 -
C:\Windows\system32\net1.exeC:\Windows\system32\net1 user Admin ""3⤵PID:2844
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C:\Windows\system32\shutdown.exe"shutdown.exe" /r /t 02⤵
- Suspicious use of AdjustPrivilegeToken
PID:2280
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x01⤵PID:2732
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C:\Windows\system32\LogonUI.exe"LogonUI.exe" /flags:0x11⤵PID:2568