Analysis

  • max time kernel
    154s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 10:40

General

  • Target

    10fc04298c934e896a333c2c13386291d5dd33304bf5f0af90636f86c28d460b.dll

  • Size

    1.6MB

  • MD5

    64d515247b8388fdacf4e0450a3a9c6f

  • SHA1

    8eeadf672a3523442f224484a11f9f49cbcc6de7

  • SHA256

    10fc04298c934e896a333c2c13386291d5dd33304bf5f0af90636f86c28d460b

  • SHA512

    b644ccc09c96fd02839668561d992fd8f3a804d95d5cafc904e2293362e9ec1a4718cb89ddcb54d99dd0eae704c80d27e7f1d8b3882c0c308168ffe8d3830185

  • SSDEEP

    24576:e/bH/oLrO40yatxnq0J9Ctc6TLrZiHA/P8TY+ltvK9lRRlIvn47UK:eDn4S9CCqqY+ltvKh3847UK

Malware Config

Extracted

Family

bandook

C2

kaliex.net

Signatures

  • Bandook RAT

    Bandook is a remote access tool written in C++ and shipped with a loader written in Delphi.

  • Bandook payload 3 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\10fc04298c934e896a333c2c13386291d5dd33304bf5f0af90636f86c28d460b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\10fc04298c934e896a333c2c13386291d5dd33304bf5f0af90636f86c28d460b.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2260
      • C:\Users\Admin\AppData\Roaming\91635.exe
        C:\Users\Admin\AppData\Roaming\91635.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:3240
        • C:\Users\Admin\AppData\Roaming\91635.exe
          C:\Users\Admin\AppData\Roaming\91635.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:1772
          • C:\Program Files (x86)\Internet Explorer\iexplore.exe
            "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
            5⤵
              PID:3964
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              5⤵
              • Adds Run key to start application
              PID:1292
            • C:\Program Files (x86)\Internet Explorer\iexplore.exe
              "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
              5⤵
                PID:2224
              • C:\Program Files (x86)\Internet Explorer\iexplore.exe
                "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
                5⤵
                  PID:2036

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\91635.exe
          Filesize

          102KB

          MD5

          535baf9334cc9e37519275df538886df

          SHA1

          08b0b15c1b49b9782832706d3d2c0fc3e8689ae8

          SHA256

          7705d371b85c8248a593e307d53525b456d9788a9c4377d457e9bceb021d9e45

          SHA512

          ae5656dce65ef11804b86f8c95d0b36a6d088100c1c2bc98a0c523f05f39f3c16e7e3ae8f7559802164855f708a485aff5b111c88d12379e7ea745e3d5a11b06

        • C:\Users\Admin\AppData\Roaming\91635.exe
          Filesize

          102KB

          MD5

          535baf9334cc9e37519275df538886df

          SHA1

          08b0b15c1b49b9782832706d3d2c0fc3e8689ae8

          SHA256

          7705d371b85c8248a593e307d53525b456d9788a9c4377d457e9bceb021d9e45

          SHA512

          ae5656dce65ef11804b86f8c95d0b36a6d088100c1c2bc98a0c523f05f39f3c16e7e3ae8f7559802164855f708a485aff5b111c88d12379e7ea745e3d5a11b06

        • C:\Users\Admin\AppData\Roaming\91635.exe
          Filesize

          102KB

          MD5

          535baf9334cc9e37519275df538886df

          SHA1

          08b0b15c1b49b9782832706d3d2c0fc3e8689ae8

          SHA256

          7705d371b85c8248a593e307d53525b456d9788a9c4377d457e9bceb021d9e45

          SHA512

          ae5656dce65ef11804b86f8c95d0b36a6d088100c1c2bc98a0c523f05f39f3c16e7e3ae8f7559802164855f708a485aff5b111c88d12379e7ea745e3d5a11b06

        • memory/1772-137-0x0000000000000000-mapping.dmp
        • memory/1772-138-0x0000000013140000-0x0000000013B96000-memory.dmp
          Filesize

          10.3MB

        • memory/1772-141-0x0000000013140000-0x0000000013B96000-memory.dmp
          Filesize

          10.3MB

        • memory/1772-142-0x0000000013140000-0x0000000013B96000-memory.dmp
          Filesize

          10.3MB

        • memory/1772-143-0x0000000013140000-0x0000000013B96000-memory.dmp
          Filesize

          10.3MB

        • memory/1772-144-0x0000000013140000-0x0000000013B96000-memory.dmp
          Filesize

          10.3MB

        • memory/2260-132-0x0000000000000000-mapping.dmp
        • memory/2260-133-0x0000000002270000-0x000000000242C000-memory.dmp
          Filesize

          1.7MB

        • memory/3240-134-0x0000000000000000-mapping.dmp