Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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 21:40

General

  • Target

    b07718e27a391b698a4289e4136c8b25.dll

  • Size

    188KB

  • MD5

    b07718e27a391b698a4289e4136c8b25

  • SHA1

    e4428fbb93414ece8ba0c199bf392188cedea94b

  • SHA256

    ba211047e16475d55911128cd7db925458ab0a8c587139fb5d0e5d27d61ed606

  • SHA512

    a91bdec6bcff1d8aa71576c206c0946c183f3e01cce4eb277a5e6c7ad92cfb9b03bda7ca0c9a9805b35089814e5a61176514fa876e44b972765b6d647572b60c

  • SSDEEP

    3072:dA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAo1o:dzIqATVfQeV2FZalKq6jtGJWuTmd

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\b07718e27a391b698a4289e4136c8b25.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b07718e27a391b698a4289e4136c8b25.dll,#1
      2⤵
        PID:5028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5028 -s 692
          3⤵
          • Program crash
          PID:3668
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5028 -ip 5028
      1⤵
        PID:1036
      • 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=4172 --field-trial-handle=2588,i,14229658658073991926,6938034815163866135,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:1752

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/5028-0-0x0000000001380000-0x0000000001386000-memory.dmp

          Filesize

          24KB

        • memory/5028-1-0x0000000075650000-0x0000000075680000-memory.dmp

          Filesize

          192KB

        • memory/5028-3-0x0000000001380000-0x0000000001386000-memory.dmp

          Filesize

          24KB