Resubmissions

04-11-2021 14:41

211104-r2dv8agha4 10

27-01-2021 22:14

210127-cr6bjqfx2e 10

Analysis

  • max time kernel
    8s
  • max time network
    6s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    27-01-2021 22:14

Errors

Reason
Machine shutdown

General

  • Target

    thanos-cleaned.exe

  • Size

    92KB

  • MD5

    fe7dcc0f74e152a78963d560b2e3d148

  • SHA1

    f9cf1dd1a7e8b2dffc9e0195685cef5a625832ea

  • SHA256

    6a5090762c6058bc223e37e89f53832faad80995e3c5ed7e59ed9f5a5e604e47

  • SHA512

    a1d2de8abf7e56a2c29bfa38d0ae23584db2174ec8b14c6da3220e1c52ad52861714f8c363be843d16cdf13a22e0b74c16a1cb684ba102f132b09133338a169a

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Modifies Windows Defender Real-time Protection settings 3 TTPs
  • Modifies boot configuration data using bcdedit 1 TTPs 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 449 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\thanos-cleaned.exe
    "C:\Users\Admin\AppData\Local\Temp\thanos-cleaned.exe"
    1⤵
    • Windows security modification
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\system32\reg.exe
      "reg.exe" delete HKLM\System\CurrentControlSet\Control\SafeBoot\Minimal\WinDefend /f
      2⤵
      • Modifies registry key
      PID:2032
    • C:\Windows\system32\bcdedit.exe
      "bcdedit.exe" /set {default} safeboot network
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1944
    • 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\thanos-cleaned.exe","C:\Windows\system32\userinit.exe" /f
      2⤵
      • Modifies WinLogon for persistence
      PID:1988
    • C:\Windows\system32\net.exe
      "net.exe" user Admin ""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:268
      • C:\Windows\system32\net1.exe
        C:\Windows\system32\net1 user Admin ""
        3⤵
          PID:1776
      • C:\Windows\system32\shutdown.exe
        "shutdown.exe" /r /t 0
        2⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:528
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" Get-MpPreference -verbose
        2⤵
          PID:1872
      • C:\Windows\system32\LogonUI.exe
        "LogonUI.exe" /flags:0x0
        1⤵
          PID:792
        • C:\Windows\system32\LogonUI.exe
          "LogonUI.exe" /flags:0x1
          1⤵
            PID:1584

          Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/792-15-0x00000000027C0000-0x00000000027C1000-memory.dmp

            Filesize

            4KB

          • memory/792-13-0x000007FEFC1D1000-0x000007FEFC1D3000-memory.dmp

            Filesize

            8KB

          • memory/1584-17-0x00000000026E0000-0x00000000026E1000-memory.dmp

            Filesize

            4KB

          • memory/1852-2-0x000007FEF60E0000-0x000007FEF6ACC000-memory.dmp

            Filesize

            9.9MB

          • memory/1852-5-0x000000001ADC0000-0x000000001ADC2000-memory.dmp

            Filesize

            8KB

          • memory/1852-3-0x00000000009C0000-0x00000000009C1000-memory.dmp

            Filesize

            4KB