Overview

overview

10

Static

static

10

58bfb9fa88...1f.exe

windows7-x64

58bfb9fa88...1f.exe

windows10-2004-x64

10

5d40615701...3d.exe

windows7-x64

9

5d40615701...3d.exe

windows10-2004-x64

8

ae66e009e1...75.exe

windows7-x64

ae66e009e1...75.exe

windows10-2004-x64

c460fc0d4f...50.exe

windows7-x64

c460fc0d4f...50.exe

windows10-2004-x64

10

Resubmissions

30-04-2023 13:51

230430-q58pbshh32 10

Analysis

  • max time kernel
    12s
  • max time network
    13s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30-04-2023 13:51

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Errors

Reason
Machine shutdown
Report Analysis Logs

General

  • Target

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe

  • Size

    82KB

  • MD5

    e01e11dca5e8b08fc8231b1cb6e2048c

  • SHA1

    4983d07f004436caa3f10b38adacbba6a4ede01a

  • SHA256

    58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f

  • SHA512

    298bfb9fe55ddd80f1c6671622d7e9e865899a855b5bb8e0d85d8520160cedca6fd8bc72c9881925477bcab883bf6e6f4c69f997b774b74fe992e023a81269de

  • SSDEEP

    1536:PcW4lAJGGnzjoih/NDh/NDuk+XkGAK/hztXcag+PlbBfkWIyvZrw281r5XsmCZEe:UWNGszjoih/NDh/NDuk+XkGAK/hztXcQ

Score
10/10
evasionpersistenceransomwaretrojan

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.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
    evasiontrojan
  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
    ransomwareevasion
  • Windows security modification 2 TTPs 1 IoCs
    evasiontrojan
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe
    "C:\Users\Admin\AppData\Local\Temp\58bfb9fa8889550d13f42473956dc2a7ec4f3abb18fd3faeaa38089d513c171f.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Windows security modification
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2024
    • C:\Windows\system32\reg.exe
      "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
      2⤵
      • Modifies registry key
      PID:2000
    • C:\Windows\system32\bcdedit.exe
      "bcdedit.exe" /set {default} safeboot network
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1248
    • 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" /f
      2⤵
      • Modifies WinLogon for persistence
      PID:1968
    • C:\Windows\system32\net.exe
      "net.exe" user Admin ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:520
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 user Admin ""
        3⤵
          PID:1716
      • C:\Windows\system32\shutdown.exe
        "shutdown.exe" /r /t 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:1748
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        2⤵
          PID:1424
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x0
        1⤵
          PID:1064
        • C:\Windows\system32\AUDIODG.EXE
          C:\Windows\system32\AUDIODG.EXE 0x140
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:1660
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x1
          1⤵
            PID:1740

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1064-56-0x0000000002900000-0x0000000002901000-memory.dmp

            Filesize

            4KB

            Download

          • memory/1740-57-0x00000000026E0000-0x00000000026E1000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2024-54-0x0000000000E60000-0x0000000000E7A000-memory.dmp

            Filesize

            104KB

            Download

          • memory/2024-55-0x00000000009C0000-0x0000000000A40000-memory.dmp

            Filesize

            512KB

            Download