Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-04-2024 06:53

General

  • Target

    f2ef0e6fc55c659dc9c11c1000e4a7c9_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f2ef0e6fc55c659dc9c11c1000e4a7c9

  • SHA1

    b15680f10f660ae8ff5c9c0943745949202573c0

  • SHA256

    9c4a31023bd832197680e8ff48094c5abdc01a0eb338a2629123d11c72529bec

  • SHA512

    8475ac0e8b598133ffa06a36ea98494839a6c41b3f6a6523e4a8ea88914cf441f74d53e6681926d84ec3c4adb787799511749b42333f073c30010051c6a8c0e5

  • SSDEEP

    3072:8hd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33JGVQcY:83fOeIv54W6SFKfc9me9v9/JGV

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\f2ef0e6fc55c659dc9c11c1000e4a7c9_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f2ef0e6fc55c659dc9c11c1000e4a7c9_JaffaCakes118.dll,#1
      2⤵
        PID:4868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 668
          3⤵
          • Program crash
          PID:4444
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4868 -ip 4868
      1⤵
        PID:4540

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4868-0-0x00000000752E0000-0x0000000075310000-memory.dmp
        Filesize

        192KB

      • memory/4868-1-0x00000000008F0000-0x00000000008F6000-memory.dmp
        Filesize

        24KB