Analysis

  • max time kernel
    150s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-03-2024 23:27

General

  • Target

    b0a8384d3b05180bc8a43372c22e85ec.dll

  • Size

    188KB

  • MD5

    b0a8384d3b05180bc8a43372c22e85ec

  • SHA1

    67e957e8538936058ac5307edc7f2acb987ad6bf

  • SHA256

    8063249cbf62f80e403e4f8d387544349a9648ef3a363332e274946a9c398101

  • SHA512

    70b1ad845037712f66dbfad7a4a2aef2c3dde941a57bebc36e5eb6eb30a4fdd3201d01f59efe56adf9643285feac09002bffd975669acfdaf758c1d68d4e6e47

  • SSDEEP

    3072:OA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoRo:OzIqATVfQeV2FZalKq6jtGJWuTmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.82.248.59:443

54.39.98.141:6602

103.109.247.8:10443

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0a8384d3b05180bc8a43372c22e85ec.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3876
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0a8384d3b05180bc8a43372c22e85ec.dll,#1
      2⤵
        PID:1044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 688
          3⤵
          • Program crash
          PID:3584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 1044 -ip 1044
      1⤵
        PID:1640
      • 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=4192 --field-trial-handle=2700,i,14629483171127516024,12350888228055326066,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3792

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1044-0-0x0000000000F70000-0x0000000000F76000-memory.dmp

          Filesize

          24KB

        • memory/1044-1-0x00000000750E0000-0x0000000075110000-memory.dmp

          Filesize

          192KB

        • memory/1044-2-0x00000000750E0000-0x0000000075110000-memory.dmp

          Filesize

          192KB

        • memory/1044-4-0x0000000000F70000-0x0000000000F76000-memory.dmp

          Filesize

          24KB