Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-06-2024 15:00

General

  • Target

    0e4db144b872080e865f2ce5d7dc2edeb47eb304d109c3f16c82c04ce626644f.exe

  • Size

    444KB

  • MD5

    39d865aa4171442b417c40479e63a03f

  • SHA1

    0da788f33274472b1b2217a31301eddd95c7e77c

  • SHA256

    0e4db144b872080e865f2ce5d7dc2edeb47eb304d109c3f16c82c04ce626644f

  • SHA512

    619e5585a51dd03bddef2a67e7bbce0742266750548004a4c664715d5a217fd9477de22c91218b39a6c5d957ec1f4fb3a6743ebf9ad86814632e55750cd4ca82

  • SSDEEP

    12288:MykIP8aYKbeqA1UtLD45VZ3Mc2YpFjW8D:MKP9YbiR45v3Va8

Score
10/10

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 8 IoCs

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

  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 4 IoCs
  • Checks processor information in registry 2 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e4db144b872080e865f2ce5d7dc2edeb47eb304d109c3f16c82c04ce626644f.exe
    "C:\Users\Admin\AppData\Local\Temp\0e4db144b872080e865f2ce5d7dc2edeb47eb304d109c3f16c82c04ce626644f.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4184
    • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
      "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:5096
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5096 -s 584
        3⤵
        • Program crash
        PID:2996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 1064
      2⤵
      • Program crash
      PID:1020
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4184 -ip 4184
    1⤵
      PID:4548
    • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
      "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
      1⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3960
      • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
        "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:3652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3652 -s 556
          3⤵
          • Program crash
          PID:1456
      • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe
        "C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe"
        2⤵
        • Deletes itself
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:1952
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 648
        2⤵
        • Program crash
        PID:2272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 5096 -ip 5096
      1⤵
        PID:2784
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3960 -ip 3960
        1⤵
          PID:2880
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3652 -ip 3652
          1⤵
            PID:3096

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Program Files (x86)\Microsoft Jufbhx\Jufrxnb.exe

            Filesize

            444KB

            MD5

            39d865aa4171442b417c40479e63a03f

            SHA1

            0da788f33274472b1b2217a31301eddd95c7e77c

            SHA256

            0e4db144b872080e865f2ce5d7dc2edeb47eb304d109c3f16c82c04ce626644f

            SHA512

            619e5585a51dd03bddef2a67e7bbce0742266750548004a4c664715d5a217fd9477de22c91218b39a6c5d957ec1f4fb3a6743ebf9ad86814632e55750cd4ca82

          • memory/1952-59-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB

          • memory/1952-57-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/1952-56-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/3652-58-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB

          • memory/3960-38-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/3960-34-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB

          • memory/3960-33-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/3960-37-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/4184-30-0x0000000000400000-0x0000000000461000-memory.dmp

            Filesize

            388KB

          • memory/4184-1-0x00000000008E0000-0x00000000009E0000-memory.dmp

            Filesize

            1024KB

          • memory/4184-31-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB

          • memory/4184-10-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB

          • memory/4184-8-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/4184-7-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/4184-4-0x0000000010000000-0x0000000010362000-memory.dmp

            Filesize

            3.4MB

          • memory/4184-3-0x0000000000400000-0x0000000000461000-memory.dmp

            Filesize

            388KB

          • memory/4184-2-0x0000000002520000-0x0000000002581000-memory.dmp

            Filesize

            388KB

          • memory/5096-27-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB

          • memory/5096-55-0x0000000000400000-0x0000000000863000-memory.dmp

            Filesize

            4.4MB