Analysis

  • max time kernel
    91s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2022, 23:20

General

  • Target
    3c88d036cb5a533d85b37986c5cdaab16bfaf4835ba52982d47d1e85b547d6ae.exe
  • Size 4.8MB
  • Sample221017-3bh8ssdee4
  • SHA256 3c88d036cb5a533d85b37986c5cdaab16bfaf4835ba52982d47d1e85b547d6ae
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Modifies AppInit DLL entries 2 TTPs
  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c88d036cb5a533d85b37986c5cdaab16bfaf4835ba52982d47d1e85b547d6ae.exe
    "C:\Users\Admin\AppData\Local\Temp\3c88d036cb5a533d85b37986c5cdaab16bfaf4835ba52982d47d1e85b547d6ae.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 560
      2⤵
      • Loads dropped DLL
      • Program crash
      PID:2072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2268 -ip 2268
    1⤵
    • Loads dropped DLL
    PID:608

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        symsrv.dll

        • Path C:\Program Files\Common Files\System\symsrv.dll
        • Size 67KB
        • SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
        • MD5 SHA1 SHA512 SSDEEP

        memory/2268-133-0x0000000010000000-0x0000000010030000-memory.dmp

        memory/2268-136-0x0000000000400000-0x000000000041B000-memory.dmp

        memory/2268-137-0x0000000010000000-0x0000000010030000-memory.dmp