Analysis

  • max time kernel
    117s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    05-01-2024 23:01

General

  • Target

    44a71bfc675386d692f9c999f3829c8c.dll

  • Size

    186KB

  • MD5

    44a71bfc675386d692f9c999f3829c8c

  • SHA1

    8b40dd4d09703697bf1c39c966c32afea0a843aa

  • SHA256

    0938352aa544baf8939184b41aa37f1cc09839e77508180654ac6ba5e39e1c5e

  • SHA512

    70b9f37b07e8bdb5bd7c9191e3ed3657cd52c0925bab5772f566b4259fd23cdb0b9af7124fbd014e669af90fb884cbbb5922ec239e79281c284e2d013428c868

  • SSDEEP

    3072:DgB/po0q3LGLxHSlPMhRwB2E6ZnG7E8RDJkiA/Ia0MIrJj++yyuzACKzkfb3LHnu:DgB43L2gPXU4A/x0MIrJYZKzkjLHqlmY

Malware Config

Extracted

Family

bazarloader

C2

64.225.65.20

64.227.68.7

188.166.32.223

188.166.99.175

whitestorm9p.bazar

bluecloud21c.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\44a71bfc675386d692f9c999f3829c8c.dll
    1⤵
      PID:3052
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Users\Admin\AppData\Local\Temp\44a71bfc675386d692f9c999f3829c8c.dll,StartW {2F184319-AB51-4CD6-8CB7-EF51354D720A}
      1⤵
        PID:1856

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\CabDD48.tmp

        Filesize

        65KB

        MD5

        ac05d27423a85adc1622c714f2cb6184

        SHA1

        b0fe2b1abddb97837ea0195be70ab2ff14d43198

        SHA256

        c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

        SHA512

        6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

      • C:\Users\Admin\AppData\Local\Temp\TarDDC8.tmp

        Filesize

        171KB

        MD5

        9c0c641c06238516f27941aa1166d427

        SHA1

        64cd549fb8cf014fcd9312aa7a5b023847b6c977

        SHA256

        4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

        SHA512

        936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

      • memory/1856-1-0x0000000001B80000-0x0000000001C5C000-memory.dmp

        Filesize

        880KB

      • memory/1856-2-0x0000000001B80000-0x0000000001C5C000-memory.dmp

        Filesize

        880KB

      • memory/3052-0-0x0000000001E40000-0x0000000001F1C000-memory.dmp

        Filesize

        880KB

      • memory/3052-3-0x0000000001E40000-0x0000000001F1C000-memory.dmp

        Filesize

        880KB