Analysis

  • max time kernel
    148s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    24-08-2024 14:18

General

  • Target

    bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe

  • Size

    308KB

  • MD5

    bec610acf1f7241d3f4d91bd227b84a7

  • SHA1

    8baa92c39b5e5d8f173afd9963e90d6e352088e2

  • SHA256

    726fb33f8f6adf52571449a941cf822b98337403e920f9707540e4f69d115ced

  • SHA512

    76381722f922843135cae235ab22bd97fbfe7a12da69e7afdee1b1a7c99fc0ee2380a08051958f8d8004a3419dfcc823b1029363df227693225612e6eb5f2d7e

  • SSDEEP

    6144:jJjdcAX8NtvBTwOQUl1eMX7GKb4yvn4ODmq:ljdT2vVwOQ2MSGmff/

Malware Config

Extracted

Family

xtremerat

C2

rabah1627.zapto.org

Signatures

  • Detect XtremeRAT payload 11 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.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • 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 4 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bec610acf1f7241d3f4d91bd227b84a7_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2316
      • 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:688
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • 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
        PID:1224

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\Server.exe

    Filesize

    308KB

    MD5

    bec610acf1f7241d3f4d91bd227b84a7

    SHA1

    8baa92c39b5e5d8f173afd9963e90d6e352088e2

    SHA256

    726fb33f8f6adf52571449a941cf822b98337403e920f9707540e4f69d115ced

    SHA512

    76381722f922843135cae235ab22bd97fbfe7a12da69e7afdee1b1a7c99fc0ee2380a08051958f8d8004a3419dfcc823b1029363df227693225612e6eb5f2d7e

  • memory/688-10-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/688-21-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/688-11-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/688-8-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/1224-22-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/1224-17-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/1224-14-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/1344-19-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/1344-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/2316-15-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/2316-4-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/2316-5-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/2316-6-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/2316-7-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB

  • memory/2316-3-0x0000000010000000-0x0000000010047000-memory.dmp

    Filesize

    284KB