Analysis

  • max time kernel
    142s
  • max time network
    151s
  • 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 17:06

General

  • Target

    b2aa5621851f22ad540eaebba5953bb4.dll

  • Size

    188KB

  • MD5

    b2aa5621851f22ad540eaebba5953bb4

  • SHA1

    9f272c0661e19ee99b37ecd776fccc6bf5f009f8

  • SHA256

    1e1eebd375608fc12784c9fab68130e01a45225fd973e8ad689025e60a08af58

  • SHA512

    9b176347bb6deea86c1ed98966ce5f7b42f5ff7459f20c2a542c17354539c423049647f1a90a10468821bd20a062327cd7e9f42843f264f8359ca6e9d1436cf0

  • SSDEEP

    3072:IA8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAono:IzIqATVfQeV2FZalKq6jtGJWuTmd

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\b2aa5621851f22ad540eaebba5953bb4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1284
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\b2aa5621851f22ad540eaebba5953bb4.dll,#1
      2⤵
        PID:1028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1028 -s 692
          3⤵
          • Program crash
          PID:4968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1028 -ip 1028
      1⤵
        PID:1432
      • 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=4092 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:3332

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1028-0-0x0000000074D10000-0x0000000074D40000-memory.dmp

          Filesize

          192KB

        • memory/1028-1-0x0000000000D70000-0x0000000000D76000-memory.dmp

          Filesize

          24KB