Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 02:52

General

  • Target
    4e02ce310c2b7a1cebb58714781de17a.dll
  • Size 338KB
  • Sample231226-dcwsvabdgk
  • SHA256 56772dca4331188918e3763a9e934e9c8e5994c06daf158f745419a4256dac91
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 2 IoCs
  • Blocklisted process makes network request 11 IoCs
  • Tries to connect to .bazar domain 4 IoCs

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

  • Unexpected DNS network traffic destination 4 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\4e02ce310c2b7a1cebb58714781de17a.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:1664

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1664-0-0x00000233281B0000-0x00000233283AA000-memory.dmp

        memory/1664-1-0x00000233281B0000-0x00000233283AA000-memory.dmp