Analysis

  • max time kernel
    144s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 21:35

General

  • Target

    fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe

  • Size

    62KB

  • MD5

    fd3569bdf323487fdc45516ef598a0ab

  • SHA1

    b0155ee5cd923f4352d81e07f4e40146efbbfec6

  • SHA256

    d8e9561612c6e06160d79abde41c7b66e4921a1c041ad5c2658d43050b4fd2d0

  • SHA512

    b94a5273303164741ab152109e2c411e991adf1050d1c44f1a14fca9ffdfa6e7d232ea006882b64074bd1906cf6ef7985d929e50fcc435baa521d13a4c3ce59d

  • SSDEEP

    768:lnbdqCXAVwfAYYIuqQ1/A6IFi6PYLDwUzc80gmq3oP/oDhv:lnb5AYNfQ1/APi1r/0O8/olv

Malware Config

Signatures

  • Nitro

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

  • Nitro family
  • Renames multiple (103) 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\fd3569bdf323487fdc45516ef598a0ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3569bdf323487fdc45516ef598a0ab_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:2308
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1132
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2308-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/2308-1-0x00000000001D0000-0x00000000001E6000-memory.dmp

    Filesize

    88KB

  • memory/2308-2-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-17-0x00000000747FE000-0x00000000747FF000-memory.dmp

    Filesize

    4KB

  • memory/2308-23-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-111-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-112-0x00000000747F0000-0x0000000074EDE000-memory.dmp

    Filesize

    6.9MB