Analysis

  • max time kernel
    188s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 14:04

General

  • Target

    792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe

  • Size

    350KB

  • MD5

    54fdd65c3118c9b6b3d1515940a383f6

  • SHA1

    cbd95fcb1ae9f7265063d8d193c541c422395594

  • SHA256

    792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba

  • SHA512

    9df1b91b8c85ace67af4c8d55ae5dff72b49fbfd3d8d7376d57472c052b836a381d25b4de192179997daa658451705602c03aea17d206af2b5a9ef17d5073246

  • SSDEEP

    6144:QGzRxSVtp0l6whGfsKR+zkBpTaa5tJHXF:jt0VPFfsKAkrbPlXF

Malware Config

Signatures

  • Gh0st RAT payload 1 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
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe
    "C:\Users\Admin\AppData\Local\Temp\792ebaf71eecbed1ad4447af25522b393662e17d1500a93354b7f5c20d7088ba.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:844
    • \??\c:\Windows\(null)0.exe
      c:\Windows\(null)0.exe
      2⤵
      • Executes dropped EXE
      PID:1712

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\(null)0.exe

    Filesize

    350KB

    MD5

    899e95584d173d8bf1b0ab91ab3d8b05

    SHA1

    a8b10caa392217f25d7f48e6e441b494cc517ac1

    SHA256

    ac538ef93b92bd3324925f86024b634faed83043a600d3a96ce967b3f1566c6b

    SHA512

    956ef3c578308298a905205e742823d1840c428985e792bd3c3fd39ed8786070eb6bc12c2ff42d1eb5708351bb47015d35cd29fbba9c329f5a343505a3822207

  • memory/844-54-0x0000000074F01000-0x0000000074F03000-memory.dmp

    Filesize

    8KB

  • memory/844-55-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/844-60-0x0000000002550000-0x0000000002641000-memory.dmp

    Filesize

    964KB

  • memory/1712-59-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB