Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 12:00

General

  • Target

    fb74403d4776e8cb1bfa21dbd6fd98dc_JaffaCakes118.exe

  • Size

    224KB

  • MD5

    fb74403d4776e8cb1bfa21dbd6fd98dc

  • SHA1

    6bad2e8d247dfc844c61c9b40b097e8e8a04a9d8

  • SHA256

    426a6541af612796bb2b4d4a5f6f4aed4648cc1efe419bf0861672c170e3d581

  • SHA512

    9c677bac6165f9e69e5bdcd0d54dbe00e3cc2399ebe295c42559072558591d92d03cb249d9bf5b3af2d6fda6009096d62af1de9c9e1750b2c4587cd90ebf9395

  • SSDEEP

    3072:EoO97BH+vJfCOOYjaFi/WimUrPdy4z0gJPKVDfzxH2LFZRL:ErleFCuaFGYDbp8vL

Malware Config

Extracted

Family

xtremerat

C2

rappelz2.zapto.org

getdesktoppreviewinfo|224rappelz2.zapto.org

Signatures

  • Detect XtremeRAT payload 13 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 2 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 3 IoCs
  • Drops file in System32 directory 3 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 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 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb74403d4776e8cb1bfa21dbd6fd98dc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fb74403d4776e8cb1bfa21dbd6fd98dc_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Users\Admin\AppData\Local\Temp\fb74403d4776e8cb1bfa21dbd6fd98dc_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\fb74403d4776e8cb1bfa21dbd6fd98dc_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2676

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2676-25-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2676-24-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2676-20-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2688-0-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2688-17-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2688-13-0x00000000002B0000-0x00000000002E8000-memory.dmp

    Filesize

    224KB

  • memory/2780-8-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2780-12-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-7-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-6-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-5-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-15-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-4-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-3-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-14-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-21-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-16-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2780-9-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB