Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 08:01

General

  • Target

    04f273a042e83eebdc138f32a9547df5_JaffaCakes118.exe

  • Size

    62KB

  • MD5

    04f273a042e83eebdc138f32a9547df5

  • SHA1

    2fa809ebd777b16647987cd89173cbd1cd007000

  • SHA256

    f5097070861eef9727641d57a9be1ef130da95ba470b35946f25179788034762

  • SHA512

    064f5c7d32c96319fd981d5032124850839d31689d44790a16a8343f3a8c90843335a0998b55103382d0c1e65b7ecc8d34e59b33faf01c48794ea7a4af6d56f6

  • SSDEEP

    768:KKsMqCXfVcWpjDMLoiANIUcdYLDwUzc80gmq3oP/oDT:KKseVMLoiAPRr/0O8/oP

Malware Config

Signatures

  • Nitro

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

  • Renames multiple (81) 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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 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\04f273a042e83eebdc138f32a9547df5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\04f273a042e83eebdc138f32a9547df5_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:2680
    • C:\Windows\SysWOW64\cmd.exe
      "cmd.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2732
      • C:\Windows\SysWOW64\Wbem\WMIC.exe
        wmic csproduct get uuid
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2680-0-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/2680-1-0x0000000000200000-0x0000000000216000-memory.dmp

    Filesize

    88KB

  • memory/2680-2-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-26-0x000000007417E000-0x000000007417F000-memory.dmp

    Filesize

    4KB

  • memory/2680-31-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-89-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB

  • memory/2680-90-0x0000000074170000-0x000000007485E000-memory.dmp

    Filesize

    6.9MB