Analysis

  • max time kernel
    148s
  • max time network
    152s
  • 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 16:42

General

  • Target

    f637f8b9c6915f08b7555bb819314faa_JaffaCakes118.dll

  • Size

    184KB

  • MD5

    f637f8b9c6915f08b7555bb819314faa

  • SHA1

    630caa672a32358574d6d6e15551695036483074

  • SHA256

    944b6bfe3ff54f4ec3a67269d13df7691572dc97c419d48cb4931645e1da29a3

  • SHA512

    5dc61ca4dc57e660f5d4ef064d572a581a1fe281990981ae9b6885b9f66a3ad9961b40b7a6c32a15b3316b2c3e5dc867603bd075d76c13783dc597ee08554888

  • SSDEEP

    3072:Whd6lp2ffOeP3gv+i4W63iFfKfXM9mQltYwgO226+f33J2VQcY:W3fOeIv54W6SFKfc9me9v9/J2V

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\f637f8b9c6915f08b7555bb819314faa_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f637f8b9c6915f08b7555bb819314faa_JaffaCakes118.dll,#1
      2⤵
        PID:1784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 668
          3⤵
          • Program crash
          PID:3052
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1784 -ip 1784
      1⤵
        PID:2340

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1784-0-0x0000000000E90000-0x0000000000E96000-memory.dmp
        Filesize

        24KB

      • memory/1784-1-0x0000000074D00000-0x0000000074D30000-memory.dmp
        Filesize

        192KB

      • memory/1784-3-0x0000000000E90000-0x0000000000E96000-memory.dmp
        Filesize

        24KB