Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    07/05/2022, 17:14

General

  • Target

    NGBDNGIICPYAAHTTNHEHNQ.ps1

  • Size

    3.1MB

  • MD5

    a3aa56ea0d055b327db1ccca22fc6bfc

  • SHA1

    c8e62b37c9b96b7cf32ba5843b6f9242fdef6075

  • SHA256

    f1aea885141ff01f8db0c1eeea40190915f79a43d033c2e0f58784d87d540bad

  • SHA512

    2fc2e9870f30cae5dd2f63dda167a3c60f611220fa60ab281e7999870dadaba6d9854f4cdc8bf96bb4911a82b45f8ed99d23a76fd841f87f6cc67a1fbe71b724

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

bitrat9300.duckdns.org:9300

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.

  • 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.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\NGBDNGIICPYAAHTTNHEHNQ.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regbrowsers.exe"
      2⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4788

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4400-130-0x0000024DFEC90000-0x0000024DFECB2000-memory.dmp

          Filesize

          136KB

        • memory/4400-131-0x00007FF922E90000-0x00007FF923951000-memory.dmp

          Filesize

          10.8MB

        • memory/4788-132-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4788-134-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4788-135-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4788-136-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB

        • memory/4788-137-0x0000000000400000-0x00000000007E4000-memory.dmp

          Filesize

          3.9MB