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Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    07/07/2020, 09:12

General

  • Target

    Shipment Document BL,INV and packing list.jpg.exe

  • Size

    659KB

  • MD5

    fe59b9e260519d6227ff7e239c9d0a04

  • SHA1

    577f9d0d5fd671a83caad0cfe241fbf724d372fc

  • SHA256

    57294ac308436e17b7e99da25f3d0fa1eb0a466572bed8ee736e078d0dc8042f

  • SHA512

    30f90794a594bb0f68f04089f4f367d7251e24c25d073386eb6f2df7d847d558ea859d4404632d069041ac0157952db95f13e064fef5f3a968dd227a341eea59

Score
10/10

Malware Config

Extracted

Family

remcos

C2

hussanm.duckdns.org:7652

Signatures

  • Suspicious use of WriteProcessMemory 23 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Remcos

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Adds Run entry to start application 2 TTPs 4 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.jpg.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.jpg.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    • Suspicious behavior: MapViewOfSection
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetThreadContext
    PID:1060
    • C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.jpg.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipment Document BL,INV and packing list.jpg.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      • Adds Run entry to start application
      PID:1084
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\install.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        • Loads dropped DLL
        PID:1312
        • C:\Windows\SysWOW64\PING.EXE
          PING 127.0.0.1 -n 2
          4⤵
          • Runs ping.exe
          PID:1496
        • C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
          "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
          4⤵
          • Suspicious use of WriteProcessMemory
          • Suspicious behavior: MapViewOfSection
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetThreadContext
          PID:908
          • C:\Users\Admin\AppData\Roaming\remcos\remcos.exe
            "C:\Users\Admin\AppData\Roaming\remcos\remcos.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            • Adds Run entry to start application
            PID:744

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/744-15-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1084-0-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB

  • memory/1084-2-0x0000000000400000-0x0000000000417000-memory.dmp

    Filesize

    92KB