Analysis

  • max time kernel
    142s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2023, 08:26

General

  • Target

    5f16db7cbc48b5968c4570029dca662979ffb0caa09052a96a1b8684c43d45bb.dll

  • Size

    372KB

  • MD5

    6920fe0bce73dcfae77ad728bda8d60c

  • SHA1

    ddf16dd6efe25caececea632af2ac2e45c0b92b6

  • SHA256

    5f16db7cbc48b5968c4570029dca662979ffb0caa09052a96a1b8684c43d45bb

  • SHA512

    2a76cde84f75c39b3904ea45d183176eef7157bd036171eafd652564e842298c34efb9a822716db20ee3fefb9c114f2bf5a6587c7935cb8e51a9b434d3113ef8

  • SSDEEP

    6144:NEVKITzhOErFhApL5ZgP3Rkkz3LTqzjYBu79VwOJi:N3IoEUpL5Z6GC3LTqHPXwO0

Malware Config

Signatures

  • Gh0st RAT payload 7 IoCs
  • Gh0strat

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

  • Blocklisted process makes network request 3 IoCs
  • UPX packed file 8 IoCs

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

  • VMProtect packed file 3 IoCs

    Detects executables packed with VMProtect commercial packer.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f16db7cbc48b5968c4570029dca662979ffb0caa09052a96a1b8684c43d45bb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1228
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f16db7cbc48b5968c4570029dca662979ffb0caa09052a96a1b8684c43d45bb.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1624

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1624-0-0x00000000751F0000-0x00000000752B0000-memory.dmp

          Filesize

          768KB

        • memory/1624-1-0x00000000751F0000-0x00000000752B0000-memory.dmp

          Filesize

          768KB

        • memory/1624-4-0x0000000003560000-0x0000000003561000-memory.dmp

          Filesize

          4KB

        • memory/1624-7-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-12-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-13-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-11-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-15-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-14-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-10-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/1624-6-0x00000000035F0000-0x000000000364F000-memory.dmp

          Filesize

          380KB

        • memory/1624-23-0x00000000751F0000-0x00000000752B0000-memory.dmp

          Filesize

          768KB

        • memory/1624-24-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB