Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    05-03-2024 02:15

General

  • Target

    b074649a7f308d0ded942ada09f865a4.dll

  • Size

    323KB

  • MD5

    b074649a7f308d0ded942ada09f865a4

  • SHA1

    c94bcbb96df57c38d8a540a0838ffd00519f5ac1

  • SHA256

    d1fadb4872c4f164837097ae0660f03a104ad4889e17aa1d67fe20bce2da8538

  • SHA512

    d0c6790afff727cbf3dd49a000bdc86ba3ae9e74cfd372e9eccf8b6ae857d568bf01a53afb36a87a9eac8419eed982de1598eabfd418ce95fb3847b9d1180016

  • SSDEEP

    6144:wXVlSsCrDRKqimtDMCfh55SEYpv0WMIyOzG/fK/rcZMIMhu7:SVavMCfiv0WMIyUGx7

Malware Config

Extracted

Family

bazarloader

C2

128.199.54.51

161.35.152.204

161.35.95.166

whitestorm9p.bazar

yellowdownpour81.bazar

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 4 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\b074649a7f308d0ded942ada09f865a4.dll
    1⤵
      PID:2596
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\b074649a7f308d0ded942ada09f865a4.dll,StartW {E4BE9E4F-02CF-4CE4-AB44-AFDE7A4B9349}
      1⤵
        PID:2676

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2596-0-0x0000000001D60000-0x0000000001E3C000-memory.dmp

        Filesize

        880KB

      • memory/2596-3-0x0000000001D60000-0x0000000001E3C000-memory.dmp

        Filesize

        880KB

      • memory/2676-1-0x0000000001B60000-0x0000000001C3C000-memory.dmp

        Filesize

        880KB

      • memory/2676-2-0x0000000001B60000-0x0000000001C3C000-memory.dmp

        Filesize

        880KB