Overview

overview

10

Static

static

1

payment.exe

windows7_x64

10

payment.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    16/02/2021, 14:35

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General

  • Target
    payment.exe
  • Size 249KB
  • Sample210216-naj18ptr3n
  • SHA256 5e0414eddc6f66f187a13acfc42cd37568af9f904823e0bceebc5c7f451ea80a
  • MD5 SHA1 SHA512
Score
10/10
remcosrat

Malware Config

Extracted

Family

  • remcos

C2

  • 103.89.88.238:4299

Signatures

  • Remcos

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

    ratremcos
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\payment.exe
    "C:\Users\Admin\AppData\Local\Temp\payment.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Users\Admin\AppData\Local\Temp\payment.exe
      "C:\Users\Admin\AppData\Local\Temp\payment.exe"
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3536

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3536-5-0x0000000000400000-0x0000000000421000-memory.dmp
        Download