Analysis

  • max time kernel
    190s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    12-05-2022 21:44

General

  • Target

    SecuriteInfo.com.Trojan.Siggen17.50772.426.exe

  • Size

    502KB

  • MD5

    d1d7f23ea413b011f029e5d97890c41e

  • SHA1

    82153f7e21609a7dfb1ee98e56915393bdb504b8

  • SHA256

    d37b127c493bbf59bff2017e49513c0f80a5db906715f5e22bbb23d24c2cca3b

  • SHA512

    a7bfc0c64be27fd45ab3d0b0aab47553a25de6535667e643b3caeecc8b9b7557b5ca361936ef2a32d44387ba5418ad5ece5065403992e1fbda869e7a49e5e298

Malware Config

Signatures

  • UAC bypass 3 TTPs
  • Windows security bypass 2 TTPs
  • XpertRAT

    XpertRAT is a remote access trojan with various capabilities.

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen17.50772.426.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen17.50772.426.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1812
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Program Files (x86)\Internet Explorer\iexplore.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        3⤵
          PID:536
        • C:\Program Files (x86)\Internet Explorer\iexplore.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          3⤵
          • Adds policy Run key to start application
          • Adds Run key to start application
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:580
          • C:\Windows\SysWOW64\notepad.exe
            notepad.exe
            4⤵
              PID:524

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      2
      T1060

      Privilege Escalation

      Bypass User Account Control

      1
      T1088

      Defense Evasion

      Bypass User Account Control

      1
      T1088

      Disabling Security Tools

      2
      T1089

      Modify Registry

      4
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/524-71-0x0000000000000000-mapping.dmp
      • memory/1684-59-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/1684-60-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/1684-62-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/1684-65-0x00000000004010B8-mapping.dmp
      • memory/1684-64-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/1684-70-0x0000000000400000-0x000000000042C000-memory.dmp
        Filesize

        176KB

      • memory/1812-54-0x0000000000D10000-0x0000000000D94000-memory.dmp
        Filesize

        528KB

      • memory/1812-55-0x0000000076531000-0x0000000076533000-memory.dmp
        Filesize

        8KB

      • memory/1812-56-0x0000000000430000-0x0000000000438000-memory.dmp
        Filesize

        32KB

      • memory/1812-57-0x0000000005E10000-0x0000000005E92000-memory.dmp
        Filesize

        520KB

      • memory/1812-58-0x0000000000B40000-0x0000000000B72000-memory.dmp
        Filesize

        200KB