Analysis

  • max time kernel
    137s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-04-2024 12:37

General

  • Target

    Documents.dll

  • Size

    724KB

  • MD5

    d7e7cf2ed643c84f35da54f6abbc8409

  • SHA1

    4eaff70353abf1a9d1caf840d7a23c3f72fc5bb6

  • SHA256

    4374f12287c158cc6e9421640b459455307e471711cc41f5666a1cbc553a3eb3

  • SHA512

    cdf21fdcece645df88392bb9a0a865cb6ff5180d25bdeffab3a781c58612c84e0b2de1cbca8dacbfd307e3afcaf1fb5f60527f572c6b6098a43defc142799b21

  • SSDEEP

    12288:eZ8/FEwPCrLWmPKaDkseX533dzRm1qZLCpCj8FhCJQ7hmEJMz:nWr9CMkT33d92iLCCaXh1JM

Malware Config

Signatures

  • Bazar Loader

    Detected loader normally used to deploy BazarBackdoor malware.

  • Bazar/Team9 Loader payload 3 IoCs
  • Blocklisted process makes network request 5 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\Documents.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:2984
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1416 --field-trial-handle=2228,i,521073434451423547,2311651514500527526,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4976

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2984-0-0x0000000180000000-0x000000018002A000-memory.dmp
      Filesize

      168KB

    • memory/2984-1-0x0000000180000000-0x000000018002A000-memory.dmp
      Filesize

      168KB

    • memory/2984-2-0x0000000180000000-0x000000018002A000-memory.dmp
      Filesize

      168KB