Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-02-2025 17:10

General

  • Target

    JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe

  • Size

    852KB

  • MD5

    b9680879e6419bd4793c8b55adcd660c

  • SHA1

    5c6f87fdf4f456aabab345d80d2eb4f220310e39

  • SHA256

    aaed356473987345e6cd12d10853ef6164b1d33a82d7cc56fdf51e1afe8e3388

  • SHA512

    a9dc90cfb715fd9f29babc00b63f2303aa916c65443d2d958f5fc2a7002b9c4b6f63f5295cc5cf66a1b16ad0c33e8aa7b3a07a9e4687cfcdb9f8dadaa9479452

  • SSDEEP

    6144:Xaxi4g/Lp2xNswnIgK54IQzeeeL4/Qn6nIgK54IQzeeeL4/:KxNoLp2xN3IgKKM4Yn6IgKKM4

Malware Config

Extracted

Family

xtremerat

C2

ayada.dyndns.biz

Signatures

  • Detect XtremeRAT payload 6 IoCs
  • XtremeRAT

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

  • Xtremerat family
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Windows directory 2 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.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3860
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b9680879e6419bd4793c8b55adcd660c.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3704
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • System Location Discovery: System Language Discovery
        PID:3708
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
          PID:1168
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
            PID:4504
          • C:\Windows\SysWOW64\explorer.exe
            explorer.exe
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:4964
      • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
        "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDY4ODkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxOTM2NTgwOTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDEzMDU4MDQ0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
        1⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        PID:3592

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\InstallDir\Server.exe

        Filesize

        852KB

        MD5

        b9680879e6419bd4793c8b55adcd660c

        SHA1

        5c6f87fdf4f456aabab345d80d2eb4f220310e39

        SHA256

        aaed356473987345e6cd12d10853ef6164b1d33a82d7cc56fdf51e1afe8e3388

        SHA512

        a9dc90cfb715fd9f29babc00b63f2303aa916c65443d2d958f5fc2a7002b9c4b6f63f5295cc5cf66a1b16ad0c33e8aa7b3a07a9e4687cfcdb9f8dadaa9479452

      • memory/3704-2-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/3704-4-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/3704-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/3704-5-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/3704-13-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/3708-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/4964-12-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB

      • memory/4964-15-0x0000000000C80000-0x0000000000C96000-memory.dmp

        Filesize

        88KB