Resubmissions

21/01/2024, 14:54

240121-r9xcjaddhq10

17/03/2023, 05:51

230317-gj57msed9510

Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2023, 05:51

General

  • Target
    8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
  • Size 1.1MB
  • Sample230317-gj57msed95
  • SHA256 8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detects Trigona ransomware 14 IoCs
  • Trigona

    A ransomware first seen at the beginning of the 2022.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Creates a large amount of network flows 1 TTPs

    This may indicate a network scan to discover remotely running services.

  • Drops desktop.ini file(s) 3 IoCs
  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe
    "C:\Users\Admin\AppData\Local\Temp\8804d34b7cf7bd2fc6e20c0dc27da287cee9fccbc52a5630c4752f9cfc6d6cd0.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    PID:5060

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        desktop.ini

        • Path C:\$Recycle.Bin\S-1-5-21-1013461898-3711306144-4198452673-1000\desktop.ini
        • Size 2KB
        • SHA256 c113d583b7a124148e8d66301b8ab92651c04d91d09f64bbd766979bd577be8c
        • MD5 SHA1 SHA512

        how_to_decrypt.hta

        • Path C:\PerfLogs\how_to_decrypt.hta
        • Size 12KB
        • SHA256 851af907a272f5f7adeff2a27dc27bed13d056cd0ef95d52d88ac7d79cd92b02
        • MD5 SHA1 SHA512 SSDEEP

        memory/5060-4621-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-4643-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-135-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-1325-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-4286-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-134-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-133-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-137-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-8946-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-14086-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-17231-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-17232-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-17233-0x0000000000400000-0x0000000000526000-memory.dmp

        memory/5060-17234-0x0000000000400000-0x0000000000526000-memory.dmp