Analysis

  • max time kernel
    148s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-03-2024 17:39

General

  • Target

    de9499d5980769c0882dadc573e995a2.dll

  • Size

    188KB

  • MD5

    de9499d5980769c0882dadc573e995a2

  • SHA1

    2e305eb42debebf4a61ece60faab4d67546557d9

  • SHA256

    f61f9a3bc273cd7d621676204a17172d7909e0b159467b3285e3f0dc3c92878c

  • SHA512

    56c0b5be3875773932186ce2a32d78d6a9b2f46c76c2304bb9ef9a919790755d4ff548332a371a1bb02806b5aac4811cf4084f7b85ee4a3e625854f249696abd

  • SSDEEP

    3072:2A8JmK7ATVfQeVqNFZa/9KzMXJ6jTFDlAwqWut5KZMzfeAAAobo:2zIqATVfQeV2FZalKq6jtGJWuTmd

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\de9499d5980769c0882dadc573e995a2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\de9499d5980769c0882dadc573e995a2.dll,#1
      2⤵
        PID:3184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3184 -s 692
          3⤵
          • Program crash
          PID:3288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3184 -ip 3184
      1⤵
        PID:4460
      • 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=3380 --field-trial-handle=2148,i,1752153415760610784,11376271161549019716,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4348

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/3184-0-0x0000000074990000-0x00000000749C0000-memory.dmp
          Filesize

          192KB

        • memory/3184-1-0x0000000002850000-0x0000000002856000-memory.dmp
          Filesize

          24KB