Overview

overview

10

Static

static

8

667d35d2cf...87.exe

windows7_x64

10

667d35d2cf...87.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    24/06/2020, 15:06

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General

  • Target
    667d35d2cff2979ca84df0afe1eca6c164e1d919b989e16b97166c7a30c77a87.exe
  • Size 590KB
  • Sample200624-8te24sp4k6
  • SHA256 667d35d2cff2979ca84df0afe1eca6c164e1d919b989e16b97166c7a30c77a87
  • MD5 SHA1 SHA512
Score
10/10
ratremcos

Malware Config

Extracted

Family

  • remcos

C2

  • abujafirms.com:2244

  • yokiri.com:2244

Signatures

  • Drops startup file 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • NTFS ADS 1 IoCs
  • Remcos

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

    ratremcos
  • Suspicious behavior: EnumeratesProcesses 1165 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\667d35d2cff2979ca84df0afe1eca6c164e1d919b989e16b97166c7a30c77a87.exe
    "C:\Users\Admin\AppData\Local\Temp\667d35d2cff2979ca84df0afe1eca6c164e1d919b989e16b97166c7a30c77a87.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: EnumeratesProcesses
    PID:1668
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      • NTFS ADS
      PID:1292
      • C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe
        "C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        • Suspicious behavior: MapViewOfSection
        • Suspicious behavior: EnumeratesProcesses
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        PID:1776
        • C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe
          "C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1388
        • C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe
          "C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe" 2 1388 88842
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:1876

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/1292-1-0x0000000000090000-0x0000000000091000-memory.dmp
        Download

        memory/1388-7-0x0000000000400000-0x0000000000420000-memory.dmp
        Download

        memory/1388-12-0x0000000000400000-0x0000000000420000-memory.dmp
        Download