Analysis

  • max time kernel
    114s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 18:46

General

  • Target

    895368b76a379c5d693e15cfebe9209b08d3d3263f0fc314600ce59cb7ce0fc8N.dll

  • Size

    184KB

  • MD5

    4f314b178d388097afa2e16cb0694340

  • SHA1

    1123ca789b240262668ec01b8055bb46504d815a

  • SHA256

    895368b76a379c5d693e15cfebe9209b08d3d3263f0fc314600ce59cb7ce0fc8

  • SHA512

    5e81b01095e20ad437142dc00ea7fea5cf3a5ea1ba34dc28fb5ae1cb49374ee703539779123e23190484885e531b893a003622112ffb5b9aa560bbc4345359a0

  • SSDEEP

    3072:5gkQz1PuOprc+kq6VNOe3qbarVEpZlcbBacS9nOdgrdA4l:gPFkq6zOe5ilSanOQd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

103.75.201.2:443

158.223.1.108:6225

165.22.28.242:4664

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
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\895368b76a379c5d693e15cfebe9209b08d3d3263f0fc314600ce59cb7ce0fc8N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\895368b76a379c5d693e15cfebe9209b08d3d3263f0fc314600ce59cb7ce0fc8N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3208
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3208 -s 620
        3⤵
        • Program crash
        PID:1108
  • 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 --field-trial-handle=1904,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4336 /prefetch:8
    1⤵
      PID:640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3208 -ip 3208
      1⤵
        PID:3904

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3208-0-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

        Filesize

        24KB

      • memory/3208-1-0x0000000074B50000-0x0000000074B80000-memory.dmp

        Filesize

        192KB

      • memory/3208-3-0x0000000000DD0000-0x0000000000DD6000-memory.dmp

        Filesize

        24KB