Analysis

  • max time kernel
    110s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 08:25

General

  • Target

    2331fa420bee83df1248af48853a6f7748923cdae906b58c43ef8e11c6c72ca9.dll

  • Size

    536KB

  • MD5

    fe8a0ef0c5c1d5d8dd2517abb69dcdf5

  • SHA1

    a75acad19f4be69b0b6870f14e413bb4de06ec73

  • SHA256

    2331fa420bee83df1248af48853a6f7748923cdae906b58c43ef8e11c6c72ca9

  • SHA512

    a3b046e9f79692e1e9992cfb319820c5be6b44e9478ecd3c5c83c37bdcb0354216a674132e7c75e87998a91d250ae08f7362ee8877144aa1d4b04dda6ba2d775

  • SSDEEP

    12288:Zyt/7qSH5Z/zY5wkzg+28UkWotGIDODuIPTr0:ZS/v5iwkzA8UkWMGWOdr0

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazarloader family
  • Bazar/Team9 Loader payload 2 IoCs
  • Blocklisted process makes network request 6 IoCs
  • Tries to connect to .bazar domain 1 IoCs

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

  • Unexpected DNS network traffic destination 1 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\2331fa420bee83df1248af48853a6f7748923cdae906b58c43ef8e11c6c72ca9.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:808

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/808-0-0x000001B8533B0000-0x000001B8533DA000-memory.dmp

    Filesize

    168KB

  • memory/808-1-0x000001B8533B0000-0x000001B8533DA000-memory.dmp

    Filesize

    168KB