Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    27/06/2022, 15:01

General

  • Target
    0f9e62354cf5353a7adcbe67cd3bcd93.exe
  • Size 156KB
  • Sample220627-sdvz9sdgd3
  • SHA256 46bed426035dbd31cb6736dd3f573944d0c47e3d474b02fef43b537bf2ec2e3e
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • Gh0st RAT payload 4 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • Executes dropped EXE 1 IoCs
  • Sets DLL path for service in the registry 2 TTPs 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Drops file in System32 directory 4 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f9e62354cf5353a7adcbe67cd3bcd93.exe
    "C:\Users\Admin\AppData\Local\Temp\0f9e62354cf5353a7adcbe67cd3bcd93.exe"
    1⤵
    • Sets DLL path for service in the registry
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious behavior: RenamesItself
    PID:1496
  • C:\Windows\SysWOW64\svchost.exe
    C:\Windows\SysWOW64\svchost.exe -k "windowsϵͳÖ÷¶¯·ÀÓù"
    1⤵
      PID:3048
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "windowsϵͳÖ÷¶¯·ÀÓù"
      1⤵
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1596
      • C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe
        C:\Windows\system32\windowsϵͳÖ÷¶¯·ÀÓù.exe "c:\windows\system32\240575296.jpg",MainInstall
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        PID:2424

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          240575296.jpg

          • Path C:\Windows\SysWOW64\240575296.jpg
          • Size 56KB
          • SHA256 75a80efa13f8fa288c5090dedb1de064b04761d0915b314e9f658862ee206ffe
          • MD5 SHA1 SHA512 SSDEEP

          240575296.jpg

          • Path C:\Windows\SysWOW64\240575296.jpg
          • Size 56KB
          • SHA256 75a80efa13f8fa288c5090dedb1de064b04761d0915b314e9f658862ee206ffe
          • MD5 SHA1 SHA512 SSDEEP

          240575296.jpg

          • Path C:\Windows\SysWOW64\240575296.jpg
          • Size 56KB
          • SHA256 75a80efa13f8fa288c5090dedb1de064b04761d0915b314e9f658862ee206ffe
          • MD5 SHA1 SHA512 SSDEEP

          ini.ini

          • Path C:\Windows\SysWOW64\ini.ini
          • Size 44B
          • SHA256 7b98a836206355c9cd6f2af170d73eb0dcd9a98c037df323530caa44914cbbc6
          • MD5 SHA1 SHA512

          windowsϵͳÖ÷¶¯·ÀÓù.exe

          • Path C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe
          • Size 60KB
          • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
          • MD5 SHA1 SHA512 SSDEEP

          windowsϵͳÖ÷¶¯·ÀÓù.exe

          • Path C:\Windows\SysWOW64\windowsϵͳÖ÷¶¯·ÀÓù.exe
          • Size 60KB
          • SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
          • MD5 SHA1 SHA512 SSDEEP

          240575296.jpg

          • Path \??\c:\windows\SysWOW64\240575296.jpg
          • Size 56KB
          • SHA256 75a80efa13f8fa288c5090dedb1de064b04761d0915b314e9f658862ee206ffe
          • MD5 SHA1 SHA512 SSDEEP