Overview

overview

10

Static

static

dhl_custom...pg.exe

windows7_x64

10

dhl_custom...pg.exe

windows10_x64

10

Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    01/07/2020, 05:07

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General

  • Target
    dhl_customer_form.jpg.exe
  • Size 837KB
  • Sample200701-rxwene11ze
  • SHA256 d9e6d184148b47fd32eb6810a21ea8ee0b04d2cb5315d4a4cfbf12fe86ac67ab
  • MD5 SHA1 SHA512
Score
10/10
ratremcospersistence

Malware Config

Extracted

Family

  • remcos

C2

  • hussanm.duckdns.org:7652

Signatures

  • Suspicious use of WriteProcessMemory 15 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Remcos

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

    ratremcos
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Adds Run entry to start application 2 TTPs 4 IoCs
    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\dhl_customer_form.jpg.exe
    "C:\Users\Admin\AppData\Local\Temp\dhl_customer_form.jpg.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetThreadContext
    PID:1612
    • C:\Users\Admin\AppData\Local\Temp\dhl_customer_form.jpg.exe
      "C:\Users\Admin\AppData\Local\Temp\dhl_customer_form.jpg.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Adds Run entry to start application
      PID:4028
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1816
        • C:\Windows\SysWOW64\PING.EXE
          PING 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:2052
        • C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
          "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of SetThreadContext
          • Executes dropped EXE
          PID:2112
          • C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
            "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
            5⤵
            • Suspicious behavior: GetForegroundWindowSpam
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            • Adds Run entry to start application
            PID:2676

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/2676-13-0x0000000000400000-0x0000000000417000-memory.dmp
        Download

        memory/4028-0-0x0000000000400000-0x0000000000417000-memory.dmp
        Download

        memory/4028-2-0x0000000000400000-0x0000000000417000-memory.dmp
        Download