Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/12/2023, 04:23

General

  • Target

    1a0340bac8f79df2ee140124cdcdace4852812a46666403cf7f5bb8ee3bdee1c.dll

  • Size

    319KB

  • MD5

    211fa8847690957dd4bf1c8cb6993d7b

  • SHA1

    ba0ef4482355dc43fe8c6beb071bfbf99a8b91d5

  • SHA256

    1a0340bac8f79df2ee140124cdcdace4852812a46666403cf7f5bb8ee3bdee1c

  • SHA512

    2e057aaf8dc2f6268caf19334fb5e3602972274e25625abd6c88bb555268eb25148e15a28eda31e8df45b4431650e53aba29fb18c6f4f4bae402eec063524434

  • SSDEEP

    6144:/QGbu7dpaVdtGPLhXeDG5N9xWoCExmrxW:/47dkVEBz79xdCEx

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 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\1a0340bac8f79df2ee140124cdcdace4852812a46666403cf7f5bb8ee3bdee1c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1a0340bac8f79df2ee140124cdcdace4852812a46666403cf7f5bb8ee3bdee1c.dll,#1
      2⤵
      • Blocklisted process makes network request
      • Enumerates connected drives
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4072

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/4072-0-0x0000000010000000-0x00000000100A0000-memory.dmp

          Filesize

          640KB

        • memory/4072-1-0x0000000010000000-0x00000000100A0000-memory.dmp

          Filesize

          640KB

        • memory/4072-3-0x0000000003680000-0x0000000003681000-memory.dmp

          Filesize

          4KB

        • memory/4072-5-0x0000000003710000-0x000000000376F000-memory.dmp

          Filesize

          380KB

        • memory/4072-6-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB

        • memory/4072-9-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB

        • memory/4072-10-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB

        • memory/4072-11-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB

        • memory/4072-12-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB

        • memory/4072-14-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB

        • memory/4072-22-0x0000000010000000-0x00000000100A0000-memory.dmp

          Filesize

          640KB

        • memory/4072-23-0x0000000003800000-0x0000000003989000-memory.dmp

          Filesize

          1.5MB