Analysis

  • max time kernel
    123s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 08:49

General

  • Target

    f5675c3c1fb45738011dd3e3e4257460_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f5675c3c1fb45738011dd3e3e4257460

  • SHA1

    592e9ce636a91d0c03f6e8c57235cf850c5add22

  • SHA256

    40f83424b557f145470711a70e45c1c728252ba5fe5dc805250a22cd4f4d97dc

  • SHA512

    2b7dd49d93d8a7e44e446856c206765becd1f4a57c379f0d22c27389c481e94c6d394a65f1c9bba670720ab55ce3576c549ef960a6fccfa33530689b49d4263c

  • SSDEEP

    3072:Bhd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JDVQcY:B3fOeIv54W6SFKfc9me9v9/JDV

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\f5675c3c1fb45738011dd3e3e4257460_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5675c3c1fb45738011dd3e3e4257460_JaffaCakes118.dll,#1
      2⤵
        PID:5040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5040 -s 668
          3⤵
          • Program crash
          PID:2680
    • 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 --field-trial-handle=4284,i,7593277344190429033,13055212002259797845,262144 --variations-seed-version --mojo-platform-channel-handle=4128 /prefetch:8
      1⤵
        PID:3984
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 5040 -ip 5040
        1⤵
          PID:2180

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/5040-0-0x00000000756D0000-0x0000000075700000-memory.dmp
          Filesize

          192KB

        • memory/5040-1-0x00000000005F0000-0x00000000005F6000-memory.dmp
          Filesize

          24KB