Analysis

  • max time kernel
    132s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    25-11-2021 16:49

General

  • Target

    83a.dll

  • Size

    278KB

  • MD5

    8e91dc946e15d16b4c128e85fef3e047

  • SHA1

    e6d47ebee8a3e870f01a2fe2664fb9ca6c8e5dac

  • SHA256

    83a864de3939256d0a9d4d6523277329a1caa1a2a62238222f7865121d478843

  • SHA512

    4d9c2eaa1af52b3ea4fb72b47d696bf7d57e1b414de254687184cf0196ac5f662bdef9c1066bac9089f5be27339cab60a3119915892ece1347f44c872706b4fe

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 2 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\83a.dll
    1⤵
      PID:1452
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\83a.dll,DllRegisterServer {B3E795A0-3D37-4CFE-8A5E-A9F65DD5F963}
      1⤵
        PID:436

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/436-57-0x0000000001C20000-0x0000000001D28000-memory.dmp
        Filesize

        1.0MB

      • memory/1452-55-0x000007FEFB8D1000-0x000007FEFB8D3000-memory.dmp
        Filesize

        8KB

      • memory/1452-56-0x0000000001F00000-0x0000000002008000-memory.dmp
        Filesize

        1.0MB