Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2024 11:07

General

  • Target

    eaec6f2a04df1819f94b7072cf6f83bf_JaffaCakes118.exe

  • Size

    72KB

  • MD5

    eaec6f2a04df1819f94b7072cf6f83bf

  • SHA1

    8ba805a93f6b791803060c1e9a62e3b3d2981605

  • SHA256

    967535359f7ab5e6947e19574677427f05db35039f04e4cc09104ac861cadfbb

  • SHA512

    8e9a6c5a90724337cb79ea85515864a8b17498bbf9a3a0f553d028c4e258c810dfa833e97c98c146239a1e1f1350b0210e341edee078485f75fa2966da09a6d0

  • SSDEEP

    768:nXE0VsdXWOWFweq/hQ4LjTJFpHxXOaZ2nS/zhbTw83zTCM51IVd4ddaTokBZdWuM:nXP8WO4nAZU83z+wIsdskKWuX9KB0

Malware Config

Extracted

Family

xtremerat

C2

localer.zapto.org

Signatures

  • Detect XtremeRAT payload 7 IoCs
  • XtremeRAT

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

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 9 IoCs

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

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

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eaec6f2a04df1819f94b7072cf6f83bf_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\eaec6f2a04df1819f94b7072cf6f83bf_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4916
    • C:\Users\Admin\AppData\Local\Temp\eaec6f2a04df1819f94b7072cf6f83bf_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\eaec6f2a04df1819f94b7072cf6f83bf_JaffaCakes118.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4092
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 480
            4⤵
            • Program crash
            PID:3532
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4092 -s 488
            4⤵
            • Program crash
            PID:936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4092 -ip 4092
      1⤵
        PID:5112
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 4092 -ip 4092
        1⤵
          PID:3204

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4092-7-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4092-12-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-2-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-4-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-5-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-6-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-10-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-11-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB

        • memory/4576-13-0x0000000010000000-0x000000001004D000-memory.dmp

          Filesize

          308KB