Analysis

  • max time kernel
    51s
  • max time network
    51s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 08:56

General

  • Target

    05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe

  • Size

    243KB

  • MD5

    05c95c1350f172f3d4cefb01255b50c0

  • SHA1

    e013986e3f453805c3b9023c6a94269ff26d0bcf

  • SHA256

    df0d8d3a82fe20cccde0e909ef2b52b9b0082de4c88256cbac96b0dedc5b3fc3

  • SHA512

    ef33c5dc744ccb010034e8f8e1604993ce370a3ecc242b438bf3434511bb6fe7ff8fcfc83ebc3dd3b8ae88e5682c122e007563b9afe71cb3c7966a047530f27d

  • SSDEEP

    6144:NFLexDdLSbliuwYvOm0/Uhc8A6Boq2W0EU6z7y1R5:bCxxLTudOm0/Go0iH

Malware Config

Extracted

Family

fickerstealer

C2

74.119.195.40:80

Signatures

  • Fickerstealer

    Ficker is an infostealer written in Rust and ASM.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\05c95c1350f172f3d4cefb01255b50c0_JaffaCakes118.exe"
      2⤵
        PID:4200
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 1448
          3⤵
          • Program crash
          PID:3656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4200 -ip 4200
      1⤵
        PID:4384

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2220-1-0x0000000000550000-0x0000000000650000-memory.dmp

        Filesize

        1024KB

      • memory/2220-4-0x0000000000980000-0x00000000009C5000-memory.dmp

        Filesize

        276KB

      • memory/4200-2-0x0000000000400000-0x0000000000449000-memory.dmp

        Filesize

        292KB

      • memory/4200-5-0x0000000000400000-0x0000000000449000-memory.dmp

        Filesize

        292KB

      • memory/4200-6-0x0000000000400000-0x0000000000449000-memory.dmp

        Filesize

        292KB