Analysis

  • max time kernel
    141s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-03-2024 09:56

General

  • Target

    d883584645f82f90c9a5e2c89b633de6.dll

  • Size

    188KB

  • MD5

    d883584645f82f90c9a5e2c89b633de6

  • SHA1

    4d480312f18378998683fc7419c662482ca4c914

  • SHA256

    ac7037954d71869f8fa8b38e7da061e7d807faa8d9012d46f57febf566da65f8

  • SHA512

    3623a812dc95e561d41e3657a5e6dd57851326dcd2618cdfc3a55b91f46749eb0e000f7f8169c0b633d350ef04d4eb312495092484b212da4b7e14a14873809e

  • SSDEEP

    3072:7A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:7zIqATVfQeV2FZalKq6jtGJWuTmd

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 1 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\d883584645f82f90c9a5e2c89b633de6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d883584645f82f90c9a5e2c89b633de6.dll,#1
      2⤵
        PID:4384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 692
          3⤵
          • Program crash
          PID:3464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4384 -ip 4384
      1⤵
        PID:4912
      • 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=4116 --field-trial-handle=2284,i,15722001240173834669,15048020084704567542,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3136

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4384-0-0x00000000010D0000-0x00000000010D6000-memory.dmp
          Filesize

          24KB

        • memory/4384-1-0x0000000074A30000-0x0000000074A60000-memory.dmp
          Filesize

          192KB

        • memory/4384-3-0x00000000010D0000-0x00000000010D6000-memory.dmp
          Filesize

          24KB