Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 16:32

General

  • Target

    bc7cd54ab4e6e5fdfc7644da9c80e00a_JaffaCakes118.exe

  • Size

    92KB

  • MD5

    bc7cd54ab4e6e5fdfc7644da9c80e00a

  • SHA1

    31b71caf630e8707773f64a82080346c14628cba

  • SHA256

    1ae2824e23518bacf52ad806a944f2b71752c8f9bb00afc8641d9462878aa515

  • SHA512

    f9343124136cb16b7524867f47190b8a1f96bb6bf573949d93f8afb6ff5dad55ff4ba8679d634f9685c99e0a664440d0cddf59ef41769685a7afe276e96b89f8

  • SSDEEP

    1536:CHpaCKKadjWvIX2vkG67bBFJRD8/WZRYaNdDuwJ8QZg6IOm7o6LgHmU6VqkJ:qaCKPWgjnJ84Ndr8QKdo6LJU0J

Malware Config

Extracted

Family

xtremerat

C2

Travis.no-ip.info

Signatures

  • Detect XtremeRAT payload 5 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • UPX packed file 7 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc7cd54ab4e6e5fdfc7644da9c80e00a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bc7cd54ab4e6e5fdfc7644da9c80e00a_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\applaunch.exe
      C:\WINDOWS\Microsoft.NET\Framework\v2.0.50727\applaunch.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2908
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1004
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 480
          4⤵
          • Program crash
          PID:2524
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1004 -s 488
          4⤵
          • Program crash
          PID:1396
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:1132
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1004 -ip 1004
      1⤵
        PID:4812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1004 -ip 1004
        1⤵
          PID:4460

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1004-11-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/1004-15-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/1212-0-0x0000000074682000-0x0000000074683000-memory.dmp

          Filesize

          4KB

        • memory/1212-1-0x0000000074680000-0x0000000074C31000-memory.dmp

          Filesize

          5.7MB

        • memory/1212-2-0x0000000074680000-0x0000000074C31000-memory.dmp

          Filesize

          5.7MB

        • memory/1212-10-0x0000000074680000-0x0000000074C31000-memory.dmp

          Filesize

          5.7MB

        • memory/2908-6-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2908-4-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2908-9-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2908-8-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/2908-14-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB