Analysis

  • max time kernel
    150s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    20-10-2024 19:58

General

  • Target

    64098b0feaebbe2746fe5e1b0a395e77_JaffaCakes118.exe

  • Size

    61KB

  • MD5

    64098b0feaebbe2746fe5e1b0a395e77

  • SHA1

    dd12d8776f8a2659490e85378562d23b093f14fd

  • SHA256

    9e74dd5256ef30c2f3a8bef17e8af61869ddb9dc911754d619575a3e539c99f1

  • SHA512

    a69cd7eb48c25b230940b6158bc4c1cf7b1d4621170581e470b02b2c171596bb4feb4f9b744212f194d56f2b3e42e863cc949388f3ddb6ace6ad0bdc15b266c8

  • SSDEEP

    768:JKsMqCXfVcWp3M9ZkiANIUZd9YLDwUzc80gmq3oP/oDs:JKse1M9ZkiAPZEr/0O8/og

Malware Config

Signatures

  • Nitro

    A ransomware that demands Discord nitro gift codes to decrypt files.

  • Renames multiple (100) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
  • 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 behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\64098b0feaebbe2746fe5e1b0a395e77_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\64098b0feaebbe2746fe5e1b0a395e77_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2568
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1976

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1832-0-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

    Filesize

    4KB

  • memory/1832-1-0x0000000000860000-0x0000000000876000-memory.dmp

    Filesize

    88KB

  • memory/1832-2-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-7-0x0000000074C6E000-0x0000000074C6F000-memory.dmp

    Filesize

    4KB

  • memory/1832-14-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-108-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB

  • memory/1832-109-0x0000000074C60000-0x000000007534E000-memory.dmp

    Filesize

    6.9MB