Analysis

  • max time kernel
    141s
  • 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
    19-04-2024 00:36

General

  • Target

    f91cf10e765147ebc3d54fde9be23da8_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f91cf10e765147ebc3d54fde9be23da8

  • SHA1

    3b75096c15df7aa2211aaa3c45c5700d66f45197

  • SHA256

    da9a2beb09d8cffdaecb8ac687324e6a1d9ca588104fa9734b8cb4a2843711ad

  • SHA512

    a1375e8b456e23b4be921da0ff397a82ad45676e18da67e022e4596ead07eb673c194b9f7d70ffc57867d2157b5de054829a759d67fc220cb0216d8af09dbf52

  • SSDEEP

    3072:mhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JIVQcY:m3fOeIv54W6SFKfc9me9v9/JIV

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

51.79.50.122:443

222.124.142.67:10443

138.201.222.158:4664

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
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\f91cf10e765147ebc3d54fde9be23da8_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2260
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f91cf10e765147ebc3d54fde9be23da8_JaffaCakes118.dll,#1
      2⤵
        PID:2428
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 668
          3⤵
          • Program crash
          PID:5508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2428 -ip 2428
      1⤵
        PID:2364
      • 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=3968 --field-trial-handle=2280,i,1836084024518340990,18250262151825427757,262144 --variations-seed-version /prefetch:8
        1⤵
          PID:4812

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2428-0-0x0000000000A90000-0x0000000000A96000-memory.dmp
          Filesize

          24KB

        • memory/2428-1-0x0000000075250000-0x0000000075280000-memory.dmp
          Filesize

          192KB

        • memory/2428-3-0x0000000000A90000-0x0000000000A96000-memory.dmp
          Filesize

          24KB