Analysis

  • max time kernel
    151s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2024, 11:17

General

  • Target
    sample.exe
  • Size 1.1MB
  • Sample240228-nd46qaab96
  • SHA256 f29b948905449f330d2e5070d767d0dac4837d0b566eee28282dc78749083684
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Trigona ransomware 12 IoCs
  • Trigona

    A ransomware first seen at the beginning of the 2022.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops desktop.ini file(s) 11 IoCs
  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sample.exe
    "C:\Users\Admin\AppData\Local\Temp\sample.exe"
    1⤵
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:2956

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini

        • Path C:\$Recycle.Bin\S-1-5-21-2461186416-2307104501-1787948496-1000\desktop.ini
        • Size 2KB
        • SHA256 ed9e02e9ff6e0655fd1259d49cde45b2a7328f4dd45d3147c52a2cfed29894dc
        • MD5 SHA1 SHA512

        how_to_decrypt.hta

        • Path C:\how_to_decrypt.hta
        • Size 12KB
        • SHA256 0198c292ecec40e5923e8b76696fa84a50a3e54dadef9bd17e7556bccaec594f
        • MD5 SHA1 SHA512 SSDEEP

        memory/2956-5-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-0-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-12-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-3-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-1-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-739-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-1221-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-8765-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-9059-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-10566-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-11667-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/2956-11668-0x0000000000400000-0x0000000000526000-memory.dmp