Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/09/2024, 09:24

General

  • Target

    fbfe8ef5a5831bd6ff6a9570903491a0_JaffaCakes118.exe

  • Size

    1.8MB

  • MD5

    fbfe8ef5a5831bd6ff6a9570903491a0

  • SHA1

    c9f965166b0e554d34188998d4a66bbde85f8443

  • SHA256

    82f727b2747197eeb9b575fa06b3fd2a68e3cbb22f4b3000bbe220afd4e10343

  • SHA512

    683cb897b8c099812ca3b3437cb4aace71bdb39f2807bc9f5b26586e9ab4e5202588220e93ecca66721d50c4539f80a37ee844c2d41d860cfea36960506dcfb3

  • SSDEEP

    49152:Nhew44MBP0O5pVG1BonI0tsFzry9HzJkZZeb:NhJ4tR8Bh0t8yxzJmZeb

Malware Config

Signatures

  • Detect XtremeRAT payload 8 IoCs
  • XtremeRAT

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

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbfe8ef5a5831bd6ff6a9570903491a0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbfe8ef5a5831bd6ff6a9570903491a0_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Users\Admin\AppData\Local\Temp\fbfe8ef5a5831bd6ff6a9570903491a0_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fbfe8ef5a5831bd6ff6a9570903491a0_JaffaCakes118.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Checks computer location settings
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4760
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:744
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:5004
      • C:\Users\Admin\AppData\Local\Temp\83MinecraftSP.exe
        "C:\Users\Admin\AppData\Local\Temp\83MinecraftSP.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4556

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\83MinecraftSP.exe

          Filesize

          679KB

          MD5

          605a171c61a0607bdcf6be80ed07cf95

          SHA1

          477d4391b0d84406127e43ead289a3596ac1e5e5

          SHA256

          09b78dc85713ca0f27f17d94c939cc606a59847c1f2b5cdd281b52a48cdaeab9

          SHA512

          3b32197d76951d0e1cd7043758af9b33be12b30c03df00a3ef36078205fa95b1582f65bdf4437a1b879a922d2950868e905bcd2227ce3816d5437556b103d338

        • memory/744-8-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/4556-27-0x0000000000400000-0x0000000000489000-memory.dmp

          Filesize

          548KB

        • memory/4760-2-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/4760-3-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/4760-4-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/4760-5-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/4760-22-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/5004-9-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB

        • memory/5004-26-0x0000000000C80000-0x0000000000DE9000-memory.dmp

          Filesize

          1.4MB