Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2023 01:45

General

  • Target

    9bca58b356486c17aeb8f157f614acac.dll

  • Size

    1.2MB

  • MD5

    9bca58b356486c17aeb8f157f614acac

  • SHA1

    4421fbc98f0f0b87cc2912d668345fd5629d98ea

  • SHA256

    37065b2a4cdaec2b1a260b39738746cb45895bd6d508e7aa5e4013e94abc6196

  • SHA512

    a60d3d1dd58f1bfab0fecff45d34028f3adcb92d401d2846fed7eab82d1ac77837dfa4da2e19136005c7064d8037b4b50c43b63b0a0f1a419f0d46ca758caa5a

  • SSDEEP

    12288:6yWeahQ/LWnzkXz5HYrniajhuSlHJzJBlPXXo/6aNdCaBSPZC1XZV72B7:HWeaZzqY7dhBjz/lfo/FIyXv72B7

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 3 IoCs
  • Blocklisted process makes network request 20 IoCs
  • Tries to connect to .bazar domain 9 IoCs

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

  • Unexpected DNS network traffic destination 9 IoCs

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

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\9bca58b356486c17aeb8f157f614acac.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:4148

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4148-0-0x0000021576030000-0x000002157606C000-memory.dmp
    Filesize

    240KB

  • memory/4148-1-0x00007FFDEED60000-0x00007FFDEEEE1000-memory.dmp
    Filesize

    1.5MB

  • memory/4148-3-0x0000021576030000-0x000002157606C000-memory.dmp
    Filesize

    240KB