Analysis

  • max time kernel
    201s
  • max time network
    211s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 12:47

General

  • Target

    ebd2f0eda75704d4c27a2f55efee16d00b8512cffddee4c3f7c8f6bf5a19d0fe.exe

  • Size

    94KB

  • MD5

    85a6c16d6ec612b431d71435dd753580

  • SHA1

    7590f2ef4a077926d71336e623a80dc00fa3d014

  • SHA256

    ebd2f0eda75704d4c27a2f55efee16d00b8512cffddee4c3f7c8f6bf5a19d0fe

  • SHA512

    cd29404afc5f980f2af2d591195f9154515404ba5646a3990442a34bfc5e2aca9a417a98069b34c4b0f6b99a033b62f8837591b8d913f33277ceb2839aac7aec

  • SSDEEP

    1536:BFQwQsiEoa2BhmUB4I+yuDg1uUO2mntP2qZNKHuNMaSJETxmIGykRZhcMePmrOa:BFQwQhEOLfuDg0PtOqzKONqsEykRLSeP

Malware Config

Signatures

  • Gh0st RAT payload 3 IoCs
  • Gh0strat

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

  • UPX packed file 4 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Program crash 2 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ebd2f0eda75704d4c27a2f55efee16d00b8512cffddee4c3f7c8f6bf5a19d0fe.exe
    "C:\Users\Admin\AppData\Local\Temp\ebd2f0eda75704d4c27a2f55efee16d00b8512cffddee4c3f7c8f6bf5a19d0fe.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3660
    • C:\Windows\SysWOW64\net.exe
      net start "Task Scheduler"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1988
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 start "Task Scheduler"
        3⤵
          PID:2008
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 608
        2⤵
        • Program crash
        PID:5020
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3660 -s 616
        2⤵
        • Program crash
        PID:4272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3660 -ip 3660
      1⤵
        PID:212
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3660 -ip 3660
        1⤵
          PID:3140

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Persistence

        Registry Run Keys / Startup Folder

        1
        T1060

        Defense Evasion

        Modify Registry

        1
        T1112

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1988-137-0x0000000000000000-mapping.dmp
        • memory/2008-138-0x0000000000000000-mapping.dmp
        • memory/3660-132-0x0000000010000000-0x000000001003B000-memory.dmp
          Filesize

          236KB

        • memory/3660-135-0x0000000010000000-0x000000001003B000-memory.dmp
          Filesize

          236KB

        • memory/3660-134-0x0000000010000000-0x000000001003B000-memory.dmp
          Filesize

          236KB

        • memory/3660-136-0x0000000010000000-0x000000001003B000-memory.dmp
          Filesize

          236KB