Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24/06/2020, 15:06

General

  • Target
    de45e137eeda4de58d4840e499559e36ee01256b6180e87249ec035525db6b9c.exe
  • Size 590KB
  • Sample200624-lf9dp8qrmx
  • SHA256 de45e137eeda4de58d4840e499559e36ee01256b6180e87249ec035525db6b9c
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • remcos

C2
  • abujafirms.com:2244

  • yokiri.com:2244

Signatures

  • Suspicious behavior: EnumeratesProcesses 2262 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • NTFS ADS 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Drops startup file 1 IoCs
  • Remcos

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\de45e137eeda4de58d4840e499559e36ee01256b6180e87249ec035525db6b9c.exe
    "C:\Users\Admin\AppData\Local\Temp\de45e137eeda4de58d4840e499559e36ee01256b6180e87249ec035525db6b9c.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2460
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • NTFS ADS
      • Drops startup file
      PID:3872
      • C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe
        "C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        • Suspicious use of SetThreadContext
        • Executes dropped EXE
        • Suspicious behavior: MapViewOfSection
        PID:3804
        • 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:3568
        • C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe
          "C:\Users\Admin\AppData\Roaming\AppData\QAZ223.exe" 2 3568 80953
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Executes dropped EXE
          PID:3932

Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        memory/3568-4-0x0000000000400000-0x0000000000420000-memory.dmp

        memory/3568-9-0x0000000000400000-0x0000000000420000-memory.dmp