Analysis

  • max time kernel
    141s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 11:52

General

  • Target

    ddf16eaf520452e0b89b54e2db67d9db.dll

  • Size

    188KB

  • MD5

    ddf16eaf520452e0b89b54e2db67d9db

  • SHA1

    d8140fd61ad9d7282c2deb3079876d88ae6207d5

  • SHA256

    5eea136a184f7037e4ee3c56728091afb9c9d241c5b53c6fdcf5d3d79abff0e1

  • SHA512

    d307ccaac4b57e432431a1801bff789fdac7834d624a15cda9d3e3634bf046702cdef58a3dfa4abca662e7fdce80cdb55145564b1bfaaad3a8327efbba9c9129

  • SSDEEP

    3072:fA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAoMo:fzIqATVfQeV2FZalKq6jtGJWuTmd

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\ddf16eaf520452e0b89b54e2db67d9db.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\ddf16eaf520452e0b89b54e2db67d9db.dll,#1
      2⤵
        PID:4492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4492 -s 692
          3⤵
          • Program crash
          PID:4636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4492 -ip 4492
      1⤵
        PID:1556
      • 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=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3968

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4492-0-0x0000000075160000-0x0000000075190000-memory.dmp

          Filesize

          192KB

        • memory/4492-1-0x0000000000A00000-0x0000000000A06000-memory.dmp

          Filesize

          24KB