Analysis

  • max time kernel
    152s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    04-11-2022 19:05

General

  • Target

    099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1.exe

  • Size

    300.0MB

  • MD5

    1420cfc2bea47d52a937fbea0415baa8

  • SHA1

    8d4ea7755d633dc9cd2f721d951fc17bdf5346d6

  • SHA256

    099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1

  • SHA512

    3546d9569ea5f6d891c42e5e805041fc288fcd78943dee2eef251cd52de1910213cfbe2d71e7386fa3d40d5a27ac3de39293e4e05487113b7cbd32c2dd3bb0c7

  • SSDEEP

    24576:C5gfuhMt53oiTyVl7gyCPUmj15wlutqzKn4QpeuCdEz9aJ3bxKui0HpzYU0:C5+IUbGcq0hz9o3bkj2U

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bitrat6060.duckdns.org:6060

Attributes
  • communication_password

    e10adc3949ba59abbe56e057f20f883e

  • tor_process

    tor

Signatures

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 10 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1.exe
    "C:\Users\Admin\AppData\Local\Temp\099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\dgfr.exe'" /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\dgfr.exe'" /f
        3⤵
        • Creates scheduled task(s)
        PID:1928
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c copy "C:\Users\Admin\AppData\Local\Temp\099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1.exe" "C:\Users\Admin\AppData\Roaming\dgfr.exe"
      2⤵
        PID:2044
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2012
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {C3C16FB2-E261-46A7-98B3-5B9B6899453E} S-1-5-21-3845472200-3839195424-595303356-1000:ZERMMMDR\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Users\Admin\AppData\Roaming\dgfr.exe
        C:\Users\Admin\AppData\Roaming\dgfr.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1820
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\dgfr.exe'" /f
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1408
          • C:\Windows\SysWOW64\schtasks.exe
            schtasks /create /sc minute /mo 1 /tn "Nafdfnasia" /tr "'C:\Users\Admin\AppData\Roaming\dgfr.exe'" /f
            4⤵
            • Creates scheduled task(s)
            PID:996
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c copy "C:\Users\Admin\AppData\Roaming\dgfr.exe" "C:\Users\Admin\AppData\Roaming\dgfr.exe"
          3⤵
            PID:1664
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            3⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of AdjustPrivilegeToken
            PID:756

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\dgfr.exe

        Filesize

        300.0MB

        MD5

        1420cfc2bea47d52a937fbea0415baa8

        SHA1

        8d4ea7755d633dc9cd2f721d951fc17bdf5346d6

        SHA256

        099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1

        SHA512

        3546d9569ea5f6d891c42e5e805041fc288fcd78943dee2eef251cd52de1910213cfbe2d71e7386fa3d40d5a27ac3de39293e4e05487113b7cbd32c2dd3bb0c7

      • C:\Users\Admin\AppData\Roaming\dgfr.exe

        Filesize

        300.0MB

        MD5

        1420cfc2bea47d52a937fbea0415baa8

        SHA1

        8d4ea7755d633dc9cd2f721d951fc17bdf5346d6

        SHA256

        099afcdcf586e43f851a0a63d12328f5a44884a711c61c8679a693bd239d51b1

        SHA512

        3546d9569ea5f6d891c42e5e805041fc288fcd78943dee2eef251cd52de1910213cfbe2d71e7386fa3d40d5a27ac3de39293e4e05487113b7cbd32c2dd3bb0c7

      • memory/736-55-0x0000000076201000-0x0000000076203000-memory.dmp

        Filesize

        8KB

      • memory/736-54-0x0000000000990000-0x0000000000B16000-memory.dmp

        Filesize

        1.5MB

      • memory/756-90-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/756-89-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/756-84-0x00000000007E2730-mapping.dmp

      • memory/980-56-0x0000000000000000-mapping.dmp

      • memory/996-78-0x0000000000000000-mapping.dmp

      • memory/1408-76-0x0000000000000000-mapping.dmp

      • memory/1664-77-0x0000000000000000-mapping.dmp

      • memory/1820-74-0x0000000000DE0000-0x0000000000F66000-memory.dmp

        Filesize

        1.5MB

      • memory/1820-72-0x0000000000000000-mapping.dmp

      • memory/1928-57-0x0000000000000000-mapping.dmp

      • memory/2012-60-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-70-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-69-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-67-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-66-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-65-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-64-0x00000000007E2730-mapping.dmp

      • memory/2012-63-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-62-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2012-59-0x0000000000400000-0x00000000007E4000-memory.dmp

        Filesize

        3.9MB

      • memory/2044-58-0x0000000000000000-mapping.dmp