Analysis

  • max time kernel
    114s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-03-2024 01:31

General

  • Target

    b0e4683bd1e150ef7d1c972da42a3ae6.dll

  • Size

    188KB

  • MD5

    b0e4683bd1e150ef7d1c972da42a3ae6

  • SHA1

    dc0c63af8df262be1258b5cb6b735da83c9462c4

  • SHA256

    ebf75f9a4ef757c673ebc72da69d65ff957cef91926be1f957fd75435282fc1a

  • SHA512

    c5b9b02fbcdf7e041cc99eda80420179b2c320a56b3a9dd86b0959d8b0a2d64458fb55fb1782bc271d972cd2355a4f15ed6d68a5fb2ed60f456ec5fce6bdd357

  • SSDEEP

    3072:qA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoXo:qzIqATVfQeV2FZalKq6jtGJWuTmd

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\b0e4683bd1e150ef7d1c972da42a3ae6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0e4683bd1e150ef7d1c972da42a3ae6.dll,#1
      2⤵
        PID:1944
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1944 -s 688
          3⤵
          • Program crash
          PID:2492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1944 -ip 1944
      1⤵
        PID:4120
      • 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:4008

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1944-0-0x00000000758F0000-0x0000000075920000-memory.dmp

          Filesize

          192KB

        • memory/1944-1-0x00000000007F0000-0x00000000007F6000-memory.dmp

          Filesize

          24KB