Analysis

  • max time kernel
    125s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-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 6 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 7 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 34 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f16db7cbc48b5968c4570029dca662979ffb0caa09052a96a1b8684c43d45bb.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2064
    • 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:2472

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2472-0-0x0000000074D10000-0x0000000074DD0000-memory.dmp

          Filesize

          768KB

        • memory/2472-2-0x0000000074C50000-0x0000000074D10000-memory.dmp

          Filesize

          768KB

        • memory/2472-3-0x0000000074D10000-0x0000000074DD0000-memory.dmp

          Filesize

          768KB

        • memory/2472-1-0x0000000074C50000-0x0000000074D10000-memory.dmp

          Filesize

          768KB

        • memory/2472-6-0x0000000000330000-0x0000000000331000-memory.dmp

          Filesize

          4KB

        • memory/2472-8-0x00000000027E0000-0x000000000283F000-memory.dmp

          Filesize

          380KB

        • memory/2472-9-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/2472-14-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/2472-13-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/2472-12-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/2472-16-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/2472-17-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB

        • memory/2472-25-0x0000000074D10000-0x0000000074DD0000-memory.dmp

          Filesize

          768KB

        • memory/2472-26-0x0000000074C50000-0x0000000074D10000-memory.dmp

          Filesize

          768KB

        • memory/2472-27-0x0000000010000000-0x0000000010189000-memory.dmp

          Filesize

          1.5MB