Analysis

  • max time kernel
    126s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-07-2024 05:40

General

  • Target

    $PROGRAM_FILES/Baidu/AddressBar/AddressBar_Tmp/AddressBar.dll

  • Size

    1.0MB

  • MD5

    a8e461b119cd3356cb7be15611e74255

  • SHA1

    f5fd59175a2ff79d7a4a2095cff444087c6faf14

  • SHA256

    603e75820b4b04d7ffb1374c091d649432ab29a432d8bd614b8735d055eafd6f

  • SHA512

    fcb23082051820f4e18351f443e54ee48c982a9e51ead1d02866308088ebec1ec14f6579d2a7c480d070a2f2b191f670925c12a22735397dfc85b58398d2bd42

  • SSDEEP

    24576:tVEpLF//Gc9JwUCp0PSUxqJ4BjQDVLtTpx6W1t76qOY:tVER5UVBTr6ot76qOY

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 14 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\AddressBar\AddressBar_Tmp\AddressBar.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\$PROGRAM_FILES\Baidu\AddressBar\AddressBar_Tmp\AddressBar.dll
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Program Files (x86)\Baidu\AddressBar\ASBarBroker.exe
        "C:\Program Files (x86)\Baidu\AddressBar\ASBarBroker.exe" -RegServer
        3⤵
        • Executes dropped EXE
        • Modifies Internet Explorer settings
        • Modifies registry class
        PID:820
  • 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 --field-trial-handle=1028,i,16032378445269040051,10701855434060315937,262144 --variations-seed-version --mojo-platform-channel-handle=1444 /prefetch:8
    1⤵
      PID:1520

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Program Files (x86)\Baidu\AddressBar\ASBarBroker.exe

      Filesize

      125KB

      MD5

      a181a60e1dd4beec411ee8b8f52340d9

      SHA1

      64a857f063a62e0f1831301a443a865d05623aac

      SHA256

      be15f824e85454bb7d138e1a0305d652f48b800276be9b0c111cc87e5134372f

      SHA512

      3b7d17af76d3390b2e1d9537ec59b8f0f606412e392c70cfc5e530bdfaca0ee9c1058a8fe4192dff2f8c505d47fca5c27e6434adec343f573c12c0694c953dbe

    • C:\Program Files (x86)\Baidu\AddressBar\AddressBar.dll

      Filesize

      1.0MB

      MD5

      a8e461b119cd3356cb7be15611e74255

      SHA1

      f5fd59175a2ff79d7a4a2095cff444087c6faf14

      SHA256

      603e75820b4b04d7ffb1374c091d649432ab29a432d8bd614b8735d055eafd6f

      SHA512

      fcb23082051820f4e18351f443e54ee48c982a9e51ead1d02866308088ebec1ec14f6579d2a7c480d070a2f2b191f670925c12a22735397dfc85b58398d2bd42

    • memory/2072-4-0x0000000003090000-0x0000000003197000-memory.dmp

      Filesize

      1.0MB