Analysis

  • max time kernel
    146s
  • max time network
    182s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    28-01-2022 18:38

General

  • Target

    59aaa2b8116ba01c1b37937db37213ff1f4a8552a7211ab21f73ffac2c0c13ce.exe

  • Size

    699KB

  • MD5

    0d3fbc842a430f5367d480dd1b74449b

  • SHA1

    bd2533005a2eaed203054fd649fdbdcd3e3a860a

  • SHA256

    59aaa2b8116ba01c1b37937db37213ff1f4a8552a7211ab21f73ffac2c0c13ce

  • SHA512

    aa06bebcb55175fb9dd08eb1810d72ef598a85fa8bf548609b5d6c3b7c7ee68e7b660436b29d4b189eae3631bcf0fffa6112989ca99a52d1ada3740ee16289de

Malware Config

Extracted

Family

plugx

C2

www.apple-net.com:80

www.apple-net.com:53

www.apple-net.com:8080

www.apple-net.com:443

Mutex

Attributes
  • folder

    ESET Malware ProtectionOWT

Signatures

  • PlugX

    PlugX is a RAT (Remote Access Trojan) that has been around since 2008.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\59aaa2b8116ba01c1b37937db37213ff1f4a8552a7211ab21f73ffac2c0c13ce.exe
    "C:\Users\Admin\AppData\Local\Temp\59aaa2b8116ba01c1b37937db37213ff1f4a8552a7211ab21f73ffac2c0c13ce.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:836
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" url.dll, FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\NATIONAL SECURITY CONCEPT OF MONGOLIA.docx
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:516
      • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
        "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\NATIONAL SECURITY CONCEPT OF MONGOLIA.docx"
        3⤵
        • Drops file in Windows directory
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1860
        • C:\Windows\splwow64.exe
          C:\Windows\splwow64.exe 12288
          4⤵
            PID:112
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" url.dll, FileProtocolHandler C:\Users\Admin\AppData\Local\Temp\NATIONAL SECURITY CONCEPT OF MONGOLIA.exe
        2⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:572
        • C:\Users\Admin\AppData\Local\Temp\NATIONAL SECURITY CONCEPT OF MONGOLIA.exe
          "C:\Users\Admin\AppData\Local\Temp\NATIONAL SECURITY CONCEPT OF MONGOLIA.exe"
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious use of WriteProcessMemory
          PID:1476
          • C:\ProgramData\ESET Malware ProtectionOWT\unsecapp.exe
            "C:\ProgramData\ESET Malware ProtectionOWT\unsecapp.exe" -app
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Modifies registry class
            • Suspicious use of AdjustPrivilegeToken
            PID:1812

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/112-82-0x000007FEFBD21000-0x000007FEFBD23000-memory.dmp

      Filesize

      8KB

    • memory/836-55-0x0000000075F91000-0x0000000075F93000-memory.dmp

      Filesize

      8KB

    • memory/1476-69-0x0000000000110000-0x000000000013F000-memory.dmp

      Filesize

      188KB

    • memory/1476-66-0x0000000000560000-0x00000000005C7000-memory.dmp

      Filesize

      412KB

    • memory/1812-75-0x00000000004D0000-0x0000000000537000-memory.dmp

      Filesize

      412KB

    • memory/1812-76-0x00000000000F0000-0x000000000011F000-memory.dmp

      Filesize

      188KB

    • memory/1860-78-0x0000000070291000-0x0000000070293000-memory.dmp

      Filesize

      8KB

    • memory/1860-79-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/1860-77-0x0000000072811000-0x0000000072814000-memory.dmp

      Filesize

      12KB

    • memory/1860-83-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB