Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2025 17:19

General

  • Target

    JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe

  • Size

    512KB

  • MD5

    59692dfa8ebd068beb2892829aa063c6

  • SHA1

    89026cc5c667c95d947485eb79ed3227ebf5d3b6

  • SHA256

    4344c515f5c55c168359835432a8dba7b62a9174bc80f4a3cd4191f816d87c67

  • SHA512

    981dab7fcc19289eeabb0d53e05631bb6f4ed87653306a18332f5bca39bf3f5920bacf012386eba0eb3bb84b13ddeff9814776c7f39bc4fdecaeac387027d7a6

  • SSDEEP

    3072:Skq+aXIDTfy2b+tpT/6WK7FwoDIiItTRG5JhR9tM0aQNroC36V9TmxlCirOCUzvJ:S1xygYZR9O0aElXfyfDTR

Malware Config

Extracted

Family

xtremerat

C2

mmm1212.no-ip.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.

  • Adds Run key to start application 2 TTPs 5 IoCs
  • 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3016
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_59692dfa8ebd068beb2892829aa063c6.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2628
      • 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:2940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\Server.exe

    Filesize

    512KB

    MD5

    59692dfa8ebd068beb2892829aa063c6

    SHA1

    89026cc5c667c95d947485eb79ed3227ebf5d3b6

    SHA256

    4344c515f5c55c168359835432a8dba7b62a9174bc80f4a3cd4191f816d87c67

    SHA512

    981dab7fcc19289eeabb0d53e05631bb6f4ed87653306a18332f5bca39bf3f5920bacf012386eba0eb3bb84b13ddeff9814776c7f39bc4fdecaeac387027d7a6

  • memory/2628-15-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2628-4-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2628-9-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2628-7-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2628-6-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2628-17-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2940-10-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2940-12-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/2940-18-0x0000000010000000-0x0000000010048000-memory.dmp

    Filesize

    288KB

  • memory/3016-8-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3016-0-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/3016-1-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB