Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2024 12:48

General

  • Target

    b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe

  • Size

    1.8MB

  • MD5

    e1b1b4e8f48045cf18376eccaf81f897

  • SHA1

    8ebf25c2ddfaf7ea17c1be5ba7d40793fa399d58

  • SHA256

    b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42

  • SHA512

    d7b23d23fe2a935bf7f4d5440e6a2cd7e39857b3423d67b1cfcb22563ee17cc7058f252eb015c2b23ff04df7c9443d3ab04432d8977eb86c40d558ca7d0cb928

  • SSDEEP

    49152:eTUit2C759KwH8t4m6tPXuXt14qNZbzvgI5ogEyXlM:eTUiD75ns4m6qt14qjkIJ3Xy

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

jairoandresotalvarorend.linkpc.net:9069

Attributes
  • communication_password

    bfdba24ee3d61f0260c4dc1034c3ee43

  • install_dir

    windownslogoinicdiodir

  • install_file

    windownslogoiniciod.exe

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Bitrat family
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 12 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe
    "C:\Users\Admin\AppData\Local\Temp\b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Users\Admin\AppData\Local\Temp\b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe
      "C:\Users\Admin\AppData\Local\Temp\b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe"
      2⤵
        PID:1344
      • C:\Users\Admin\AppData\Local\Temp\b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe
        "C:\Users\Admin\AppData\Local\Temp\b5fec209a03ef46ff5851c223137b439c1bcfdc1d22a0c8d7bf3bc8921e4ab42.exe"
        2⤵
        • Adds Run key to start application
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: RenamesItself
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2400

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2400-28-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-29-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-15-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-35-0x0000000075150000-0x0000000075189000-memory.dmp

      Filesize

      228KB

    • memory/2400-11-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-34-0x00000000754F0000-0x0000000075529000-memory.dmp

      Filesize

      228KB

    • memory/2400-32-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-33-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-31-0x00000000754F0000-0x0000000075529000-memory.dmp

      Filesize

      228KB

    • memory/2400-19-0x0000000075150000-0x0000000075189000-memory.dmp

      Filesize

      228KB

    • memory/2400-30-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-27-0x00000000754F0000-0x0000000075529000-memory.dmp

      Filesize

      228KB

    • memory/2400-13-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-16-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-26-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-20-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2400-12-0x0000000000400000-0x00000000007E4000-memory.dmp

      Filesize

      3.9MB

    • memory/2976-8-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2976-4-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2976-2-0x00000000075F0000-0x0000000007B94000-memory.dmp

      Filesize

      5.6MB

    • memory/2976-17-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2976-0-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/2976-10-0x0000000008310000-0x00000000084AA000-memory.dmp

      Filesize

      1.6MB

    • memory/2976-9-0x0000000007DA0000-0x0000000007E3C000-memory.dmp

      Filesize

      624KB

    • memory/2976-1-0x0000000000070000-0x000000000024E000-memory.dmp

      Filesize

      1.9MB

    • memory/2976-7-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/2976-6-0x0000000007260000-0x000000000726E000-memory.dmp

      Filesize

      56KB

    • memory/2976-5-0x00000000046D0000-0x00000000046DA000-memory.dmp

      Filesize

      40KB

    • memory/2976-3-0x0000000007120000-0x00000000071B2000-memory.dmp

      Filesize

      584KB