Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    21-01-2022 13:17

General

  • Target

    Bon de commande.exe

  • Size

    26KB

  • MD5

    00286c04e7817a33d830719ef9afda61

  • SHA1

    3e59b07e3aa255dc4086c9c631d814ac201e9951

  • SHA256

    263b305d6a17491a0dd9dd32c5e56536263326e716e0474a132c1d8f8cc0878d

  • SHA512

    917d83abba42301eabf3e5bdc7450300150925955cc2b6ddb40b28338c2014ec30c234fad245bc19f5d5345f5ad5de55e0a738e7bb9fa96b765117c3410a8612

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

severdops.ddns.net:3071

Attributes
  • communication_password

    29ef52e7563626a96cea7f4b4085c124

  • tor_process

    tor

Signatures

  • BitRAT

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

  • suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

    suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)

  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Runs ping.exe 1 TTPs 12 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bon de commande.exe
    "C:\Users\Admin\AppData\Local\Temp\Bon de commande.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping google.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:472
      • C:\Windows\SysWOW64\PING.EXE
        ping google.com
        3⤵
        • Runs ping.exe
        PID:560
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping facebook.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1568
      • C:\Windows\SysWOW64\PING.EXE
        ping facebook.com
        3⤵
        • Runs ping.exe
        PID:604
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping twitter.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\SysWOW64\PING.EXE
        ping twitter.com
        3⤵
        • Runs ping.exe
        PID:1956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping google.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2020
      • C:\Windows\SysWOW64\PING.EXE
        ping google.com
        3⤵
        • Runs ping.exe
        PID:1716
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping facebook.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Windows\SysWOW64\PING.EXE
        ping facebook.com
        3⤵
        • Runs ping.exe
        PID:1412
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping twitter.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1644
      • C:\Windows\SysWOW64\PING.EXE
        ping twitter.com
        3⤵
        • Runs ping.exe
        PID:1080
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping google.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Windows\SysWOW64\PING.EXE
        ping google.com
        3⤵
        • Runs ping.exe
        PID:936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping facebook.com
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\SysWOW64\PING.EXE
        ping facebook.com
        3⤵
        • Runs ping.exe
        PID:1488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C ping twitter.com
      2⤵
        PID:1108
        • C:\Windows\SysWOW64\PING.EXE
          ping twitter.com
          3⤵
          • Runs ping.exe
          PID:588
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C ping google.com
        2⤵
          PID:1104
          • C:\Windows\SysWOW64\PING.EXE
            ping google.com
            3⤵
            • Runs ping.exe
            PID:896
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C ping facebook.com
          2⤵
            PID:1092
            • C:\Windows\SysWOW64\PING.EXE
              ping facebook.com
              3⤵
              • Runs ping.exe
              PID:2040
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /C ping twitter.com
            2⤵
              PID:1972
              • C:\Windows\SysWOW64\PING.EXE
                ping twitter.com
                3⤵
                • Runs ping.exe
                PID:1652
            • C:\Users\Admin\AppData\Local\Temp\Bon de commande.exe
              "C:\Users\Admin\AppData\Local\Temp\Bon de commande.exe"
              2⤵
              • Suspicious use of NtSetInformationThreadHideFromDebugger
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              PID:1720

          Network

          MITRE ATT&CK Matrix ATT&CK v6

          Persistence

          Registry Run Keys / Startup Folder

          1
          T1060

          Defense Evasion

          Modify Registry

          1
          T1112

          Discovery

          System Information Discovery

          1
          T1082

          Remote System Discovery

          1
          T1018

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/1100-55-0x00000000003F0000-0x00000000003FC000-memory.dmp
            Filesize

            48KB

          • memory/1100-56-0x0000000075421000-0x0000000075423000-memory.dmp
            Filesize

            8KB

          • memory/1100-57-0x00000000055E0000-0x00000000055E1000-memory.dmp
            Filesize

            4KB

          • memory/1100-58-0x0000000006280000-0x000000000642E000-memory.dmp
            Filesize

            1.7MB

          • memory/1100-59-0x0000000007430000-0x00000000075C6000-memory.dmp
            Filesize

            1.6MB

          • memory/1100-60-0x0000000004B00000-0x0000000004B4C000-memory.dmp
            Filesize

            304KB

          • memory/1720-61-0x0000000000400000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB

          • memory/1720-62-0x0000000000400000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB

          • memory/1720-63-0x0000000000400000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB

          • memory/1720-64-0x0000000000400000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB

          • memory/1720-65-0x0000000000400000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB

          • memory/1720-67-0x0000000000400000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB

          • memory/1720-68-0x0000000000401000-0x00000000007E4000-memory.dmp
            Filesize

            3.9MB