Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 18:00

General

  • Target
    GOLAYA-TOPLESS.exe
  • Size 239KB
  • Sample220919-wlaababeb5
  • SHA256 f6995a80e724cd266992ce7b856085a54e8567466ca1dbe8c3eba8977eb70b9c
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Drops file in Drivers directory 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in Program Files directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\GOLAYA-TOPLESS.exe
    "C:\Users\Admin\AppData\Local\Temp\GOLAYA-TOPLESS.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\make_it_now_nuce.bat" "
      2⤵
      • Drops file in Drivers directory
      • Drops file in Program Files directory
      PID:2208
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\Tosupportprofessionalssucas.vbs"
      2⤵
      • Drops file in Drivers directory
      PID:4716
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\DbIwillencouragimprovementsin.vbs"
      2⤵
      • Blocklisted process makes network request
      PID:5100

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        DbIwillencouragimprovementsin.practice

        • Path C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\DbIwillencouragimprovementsin.practice
        • Size 165B
        • SHA256 dcb69be9267912859c9b524dbcc219fd90b2e861a27cc044c6007ad7d0ad79e6
        • MD5 SHA1 SHA512

        DbIwillencouragimprovementsin.vbs

        • Path C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\DbIwillencouragimprovementsin.vbs
        • Size 165B
        • SHA256 dcb69be9267912859c9b524dbcc219fd90b2e861a27cc044c6007ad7d0ad79e6
        • MD5 SHA1 SHA512

        Tosupportprofessionalssucas.educators

        • Path C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\Tosupportprofessionalssucas.educators
        • Size 718B
        • SHA256 3b356fd93c5212d3370f267c8a8aa9e216c0310d8ef659c9c039882a0f482180
        • MD5 SHA1 SHA512

        Tosupportprofessionalssucas.vbs

        • Path C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\Tosupportprofessionalssucas.vbs
        • Size 718B
        • SHA256 3b356fd93c5212d3370f267c8a8aa9e216c0310d8ef659c9c039882a0f482180
        • MD5 SHA1 SHA512

        Welcometothenew.home

        • Path C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\Welcometothenew.home
        • Size 117B
        • SHA256 e31dd67c395263da489405007e2a74a08c9cabb7aed09364a3ae90794cf6f401
        • MD5 SHA1 SHA512

        make_it_now_nuce.bat

        • Path C:\Program Files (x86)\suda nana stavit etot soft\111 222 333 444 555\make_it_now_nuce.bat
        • Size 2KB
        • SHA256 2192bd53a1f1139564c0e07f3257d6fcb29adc6fb37e472bc392bed221b5e88c
        • MD5 SHA1 SHA512

        hosts

        • Path C:\Windows\System32\drivers\etc\hosts
        • Size 1KB
        • SHA256 208f28ce8cbf416b8be7beffea105562fffcfdd14cdc370e4519233c46451b53
        • MD5 SHA1 SHA512