Analysis

  • max time kernel
    150s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-03-2024 21:34

General

  • Target

    e0255d2aef9ccb0f413d1c0c81641301.dll

  • Size

    188KB

  • MD5

    e0255d2aef9ccb0f413d1c0c81641301

  • SHA1

    44a6ed0434e69e306ac9d9b30796d4102711e9a8

  • SHA256

    c2375dc9a972a114893aacfb6b2483f0e20b1f1ab42f246e7fbc4cb280cb9bbf

  • SHA512

    6862112f9c57f42239cf4f0d9a387d1be300bbdd3b52a68901e6ac922e8a0fae4cadb8f62acf0ac58b73f84a5e83f599289ce007557f76d470c0b0a93a504861

  • SSDEEP

    3072:eA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAogo:ezIqATVfQeV2FZalKq6jtGJWuTmd

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\e0255d2aef9ccb0f413d1c0c81641301.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\e0255d2aef9ccb0f413d1c0c81641301.dll,#1
      2⤵
        PID:4032
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4032 -s 688
          3⤵
          • Program crash
          PID:376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4032 -ip 4032
      1⤵
        PID:5004
      • 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=3732 --field-trial-handle=2256,i,9172343514068348080,519219714517961765,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1384

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4032-0-0x0000000075070000-0x00000000750A0000-memory.dmp
          Filesize

          192KB

        • memory/4032-1-0x0000000000F10000-0x0000000000F16000-memory.dmp
          Filesize

          24KB

        • memory/4032-2-0x0000000075070000-0x00000000750A0000-memory.dmp
          Filesize

          192KB