Analysis

  • max time kernel
    141s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-12-2023 05:15

General

  • Target

    0734500b39c49a7d1540a078cf764ae6.dll

  • Size

    1.2MB

  • MD5

    0734500b39c49a7d1540a078cf764ae6

  • SHA1

    5b7ff496d9761d73cfd1bfa6bad26c0a752e3f9b

  • SHA256

    282c8bb556eb3e2bf22836785ff04ebd1edab6cc36714f3b5a95dca9b9136767

  • SHA512

    b155422f255acfc434db72ce3136a6c4089f9377d75811c5275a7a9ae3201bbdb0f817e15f5e215b5e6766d6161978707fcbd2d6909880a8203e992fc2905f36

  • SSDEEP

    24576:rHvFVj8+YADTpPIeVCMaKoUo5/IyXZHa/K:/Y+YuTpPVPBwb

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 3 IoCs
  • Tries to connect to .bazar domain 6 IoCs

    Attempts to lookup or connect to a .bazar domain, used by BazarBackdoor, Trickbot, and potentially others.

  • Unexpected DNS network traffic destination 6 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0734500b39c49a7d1540a078cf764ae6.dll
    1⤵
      PID:4124

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4124-0-0x0000000027700000-0x000000002773E000-memory.dmp

      Filesize

      248KB

    • memory/4124-1-0x00007FFCA1370000-0x00007FFCA14F1000-memory.dmp

      Filesize

      1.5MB

    • memory/4124-3-0x0000000027700000-0x000000002773E000-memory.dmp

      Filesize

      248KB