Overview

overview

10

Static

static

DHL DETAILS.exe

windows7_x64

10

DHL DETAILS.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    28/12/2020, 07:07

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General

  • Target
    DHL DETAILS.exe
  • Size 584KB
  • Sample201228-maz2jm66ae
  • SHA256 1a6757ed0fa8dfc6a0ecc4dcfecc7dacb2b4ff435c15eefeb9edde8b913e1811
  • MD5 SHA1 SHA512
Score
10/10
remcosrat

Malware Config

Extracted

Family

  • remcos

C2

  • u875414.nvpn.to:2404

  • u875414.duckdns.org:2404

  • u875414.ddns.net:2404

  • u875414.nsupdate.info:2404

Signatures

  • Remcos

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

    ratremcos
  • Suspicious use of SetThreadContext 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DHL DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\DHL DETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3888
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c schtasks /Create /TN firefox /XML "C:\Users\Admin\AppData\Local\Temp\aa96705886a1481380c609e9515df3d2.xml"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2760
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /Create /TN firefox /XML "C:\Users\Admin\AppData\Local\Temp\aa96705886a1481380c609e9515df3d2.xml"
        3⤵
        • Creates scheduled task(s)
        PID:3988
    • C:\Users\Admin\AppData\Local\Temp\DHL DETAILS.exe
      "C:\Users\Admin\AppData\Local\Temp\DHL DETAILS.exe"
      2⤵
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2500

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/2500-3-0x0000000000400000-0x0000000000421000-memory.dmp
        Download

        memory/2500-7-0x0000000000400000-0x0000000000421000-memory.dmp
        Download