Analysis

  • max time kernel
    3s
  • max time network
    4s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240730-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2024, 22:09

Errors

Reason
Machine shutdown

General

  • Target

    81eb654bdef99c92bd7573c3047de315_JaffaCakes118.exe

  • Size

    123KB

  • MD5

    81eb654bdef99c92bd7573c3047de315

  • SHA1

    d6f850ac6b1f2d51269af9db15c064075ed10500

  • SHA256

    0d039b3a656ec189da3ec73d86e9ec700f645bdc10abe9c79e4e42fa941c1e95

  • SHA512

    bd52a5b3dcab2ce46ef4d2e41551272c57783fc19e353cf44d1f1776b75c869ac4da93a076a31627f4a134f7345962f7843acb2d372a89ea472864882536b09d

  • SSDEEP

    3072:f9f+ZN9J2GByoIQdOgNAYzSNz32xoEWTLVuxUImyZ:IxJhBBzEgNAYzSxUu/V0/

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 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81eb654bdef99c92bd7573c3047de315_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81eb654bdef99c92bd7573c3047de315_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    PID:5092
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa399d855 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    • Suspicious use of SetWindowsHookEx
    PID:4292

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/5092-0-0x00000000022C0000-0x00000000022E0000-memory.dmp

          Filesize

          128KB

        • memory/5092-1-0x0000000000400000-0x0000000000423000-memory.dmp

          Filesize

          140KB