Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23/11/2022, 19:26

General

  • Target

    eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe

  • Size

    561KB

  • MD5

    2686afd221cf109f875b3029fab6480b

  • SHA1

    c243ae59033985ba4d643d5d19e10002d603b0fd

  • SHA256

    eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51

  • SHA512

    2a1679113d97a69610ae048655260f7b85e1405213fd547b66b2d1cb15531e6e68d6b7a5778b59481fc350f846f24a6dc2a0a5cfbdda1dacbf7a3363247c4cf8

  • SSDEEP

    12288:81QcT1KGnhG9kEiXVaxZeeCnnLNSGjxuVTFpLha8EkHdoHEVH:e9T4WTemjuzpLhaLkHyHEV

Malware Config

Extracted

Family

xtremerat

C2

oudy.no-ip.biz

Signatures

  • Detect XtremeRAT payload 7 IoCs
  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Adds policy Run key to start application 2 TTPs 8 IoCs
  • Modifies Installed Components in the registry 2 TTPs 4 IoCs
  • UPX packed file 6 IoCs

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

  • Adds Run key to start application 2 TTPs 16 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe
    "C:\Users\Admin\AppData\Local\Temp\eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds policy Run key to start application
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      PID:2028
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:1724

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\WIN 7\HACKO.exe

          Filesize

          561KB

          MD5

          2686afd221cf109f875b3029fab6480b

          SHA1

          c243ae59033985ba4d643d5d19e10002d603b0fd

          SHA256

          eda5bc2162c2f2e8d24ca4234f728b76b55291ec31d13d57eb38d156f8206e51

          SHA512

          2a1679113d97a69610ae048655260f7b85e1405213fd547b66b2d1cb15531e6e68d6b7a5778b59481fc350f846f24a6dc2a0a5cfbdda1dacbf7a3363247c4cf8

        • memory/1724-66-0x0000000000C80000-0x0000000000D8E000-memory.dmp

          Filesize

          1.1MB

        • memory/1724-68-0x0000000000C80000-0x0000000000D8E000-memory.dmp

          Filesize

          1.1MB

        • memory/1784-54-0x00000000762F1000-0x00000000762F3000-memory.dmp

          Filesize

          8KB

        • memory/1784-55-0x0000000000C80000-0x0000000000D8E000-memory.dmp

          Filesize

          1.1MB

        • memory/1784-67-0x0000000000C80000-0x0000000000D8E000-memory.dmp

          Filesize

          1.1MB

        • memory/2028-56-0x0000000000C80000-0x0000000000D8E000-memory.dmp

          Filesize

          1.1MB

        • memory/2028-65-0x0000000000C80000-0x0000000000D8E000-memory.dmp

          Filesize

          1.1MB