Analysis

  • max time kernel
    95s
  • max time network
    117s
  • 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, 09:26

General

  • Target
    f5776676627c22702b5e5ff3553987c9_JaffaCakes118.dll
  • Size 188KB
  • Sample240417-legqpsce21
  • SHA256 92f4f57b9db6e961e8374370f119c4e4d643cf865255e91891f3ed5830e2b921
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • dridex

Botnet
  • 22201

C2
  • 103.82.248.59:443

  • 54.39.98.141:6602

  • 103.109.247.8:10443

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\f5776676627c22702b5e5ff3553987c9_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5776676627c22702b5e5ff3553987c9_JaffaCakes118.dll,#1
      2⤵
        PID:1556
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 692
          3⤵
          • Program crash
          PID:4908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 1556 -ip 1556
      1⤵
        PID:4808

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            memory/1556-0-0x0000000074E50000-0x0000000074E80000-memory.dmp

            memory/1556-1-0x0000000002540000-0x0000000002546000-memory.dmp