Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-11-2024 04:00

General

  • Target

    8988b694b9df9186d686b9479984c675_JaffaCakes118.exe

  • Size

    908KB

  • MD5

    8988b694b9df9186d686b9479984c675

  • SHA1

    d54c8e34344c3b86cc883c2ffa89d020c0911755

  • SHA256

    0e9b75e527544aa8db9880eb423b73f0edfb79995be585eb2d69c735068d082e

  • SHA512

    72352807711c2a1799920fdc934ab3aaa1730b718447c8c70fefebb3c7243941feeb9c05f2eced48358ca114df789e97ad3be160b766e773312535de27d6e4c6

  • SSDEEP

    12288:Y7KAD7WCSbo4N2So9pGwINUbKbSZTlWxYGNhCJh7EW58M8zOGcbq1TT6ygvhNwEc:eK+Ms9fAkvhS+c9

Malware Config

Extracted

Family

matiex

C2

https://api.telegram.org/bot1395392888:AAFrJovDdZICOFB0gX0eGWrAUzEKCRpv8xo/sendMessage?chat_id=1300181783

Signatures

  • Matiex

    Matiex is a keylogger and infostealer first seen in July 2020.

  • Matiex Main payload 1 IoCs
  • Matiex family
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe"
      2⤵
        PID:544
      • C:\Users\Admin\AppData\Local\Temp\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2740
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2740 -s 2568
          3⤵
          • Program crash
          PID:3264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2740 -ip 2740
      1⤵
        PID:3752

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\8988b694b9df9186d686b9479984c675_JaffaCakes118.exe.log

        Filesize

        886B

        MD5

        adee6fb564e48f4dbda9d98bd2aacad8

        SHA1

        f2f291e4460a2247d63df73ccb35dc7b53e266e7

        SHA256

        3399d074790192d222b9c886656f60bde71df3cff3103b10c88a4323386afd73

        SHA512

        c461ae2006d3cb512c2c9083102c72b34c31a54ea97e0aaa1c0353eb51bc2ea47f119065b47cd92f4aba7df86699a2dbe4c1e62a9be05fd058703ca84386d907

      • memory/2312-4-0x00000000056E0000-0x0000000005756000-memory.dmp

        Filesize

        472KB

      • memory/2312-7-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2312-3-0x00000000055D0000-0x0000000005662000-memory.dmp

        Filesize

        584KB

      • memory/2312-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

        Filesize

        4KB

      • memory/2312-9-0x00000000055C0000-0x00000000055D6000-memory.dmp

        Filesize

        88KB

      • memory/2312-6-0x0000000005580000-0x000000000559E000-memory.dmp

        Filesize

        120KB

      • memory/2312-2-0x0000000005C90000-0x0000000006234000-memory.dmp

        Filesize

        5.6MB

      • memory/2312-8-0x0000000005860000-0x00000000058C6000-memory.dmp

        Filesize

        408KB

      • memory/2312-5-0x0000000005760000-0x00000000057FC000-memory.dmp

        Filesize

        624KB

      • memory/2312-14-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2312-1-0x0000000000C40000-0x0000000000D2A000-memory.dmp

        Filesize

        936KB

      • memory/2740-13-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2740-10-0x0000000000400000-0x0000000000476000-memory.dmp

        Filesize

        472KB

      • memory/2740-15-0x00000000054E0000-0x0000000005546000-memory.dmp

        Filesize

        408KB

      • memory/2740-16-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB

      • memory/2740-17-0x0000000074CA0000-0x0000000075450000-memory.dmp

        Filesize

        7.7MB