Analysis

  • max time kernel
    598s
  • max time network
    576s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    15-12-2022 13:34

General

  • Target

    a373d064cabacfd615563b9f094ae79e051f8f481ebaade3acb662863662f359.exe

  • Size

    3.8MB

  • MD5

    77a3f13034cd5f7cbaf5ec1dd930d97b

  • SHA1

    5b6bf670f93411031b05d8bb6870bbd3eaae52a9

  • SHA256

    a373d064cabacfd615563b9f094ae79e051f8f481ebaade3acb662863662f359

  • SHA512

    ffdd0ae1bba55a42e7137b03b92d66e25495f579343b9b29ab3348c6acc3d2aca93bbd254161054350f185f0fcc1c219c04ed79ad431a580f78702305e7ab3d7

  • SSDEEP

    98304:d77Pmq33rE/JDLPWZADUGer7B6iY74M/ZmlwXVZ4FB:5+R/eZADUXR

Score
10/10

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

policy-generating.at.ply.gg:48719

Attributes
  • communication_password

    81dc9bdb52d04dc20036dbd8313ed055

  • tor_process

    tor

Signatures

  • BitRAT

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 64 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a373d064cabacfd615563b9f094ae79e051f8f481ebaade3acb662863662f359.exe
    "C:\Users\Admin\AppData\Local\Temp\a373d064cabacfd615563b9f094ae79e051f8f481ebaade3acb662863662f359.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1232
  • C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    1⤵
      PID:1324
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x574
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1968
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Documents\Are.docx"
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        2⤵
          PID:956
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\StopPop.gif
        1⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:560
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:560 CREDAT:275457 /prefetch:2
          2⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:1200

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1232-54-0x0000000000400000-0x00000000007CE000-memory.dmp

        Filesize

        3.8MB

      • memory/1232-55-0x0000000076391000-0x0000000076393000-memory.dmp

        Filesize

        8KB

      • memory/1324-56-0x000007FEFBE21000-0x000007FEFBE23000-memory.dmp

        Filesize

        8KB

      • memory/1352-57-0x0000000072911000-0x0000000072914000-memory.dmp

        Filesize

        12KB

      • memory/1352-58-0x0000000070391000-0x0000000070393000-memory.dmp

        Filesize

        8KB

      • memory/1352-59-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/1352-61-0x000000007137D000-0x0000000071388000-memory.dmp

        Filesize

        44KB

      • memory/1352-64-0x000000005FFF0000-0x0000000060000000-memory.dmp

        Filesize

        64KB

      • memory/1352-65-0x000000007137D000-0x0000000071388000-memory.dmp

        Filesize

        44KB