Analysis

  • max time kernel
    154s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2024 06:29

General

  • Target

    4fd5679a0c8bb691460d2f21b6bf95fd.dll

  • Size

    288KB

  • MD5

    4fd5679a0c8bb691460d2f21b6bf95fd

  • SHA1

    3445ed787e6e03184a74b7d9a293f898768ac688

  • SHA256

    22498b7c26cdac972970888ee454f331b74a96977478abf0ad85a0e6c9f8bb53

  • SHA512

    702860ccc1931f0c3d103ac739bf294050f9839118b09173806cf8d74e4970224bfdfeb8a636c07be114944fa8969c179defcb5a1f009493a68c01cb7fca3317

  • SSDEEP

    3072:p6QlU5T0+vk+wYDgN3XwmbvV4Ynnbe9rhNifQMpnIjZ9jAPUn4CbwKL0Fo3dgqTy:pXEwZSZeKZVA6BNL0F1h31eMgIf/

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\4fd5679a0c8bb691460d2f21b6bf95fd.dll
    1⤵
      PID:1536
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\4fd5679a0c8bb691460d2f21b6bf95fd.dll,StartW {A82D9ECE-D339-4884-908F-0063B63A7ED1}
      1⤵
        PID:4740

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1536-0-0x00000000028C0000-0x000000000299C000-memory.dmp

        Filesize

        880KB

      • memory/1536-1-0x00000000028C0000-0x000000000299C000-memory.dmp

        Filesize

        880KB

      • memory/4740-2-0x000002ADC7D10000-0x000002ADC7DEC000-memory.dmp

        Filesize

        880KB

      • memory/4740-3-0x000002ADC7D10000-0x000002ADC7DEC000-memory.dmp

        Filesize

        880KB