Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-11-2024 12:04

General

  • Target

    QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe

  • Size

    1.3MB

  • MD5

    b80d47598764ee94143290bb57428724

  • SHA1

    bc2fe98a03d2196d02038c5c016f6e7a71529e9f

  • SHA256

    ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288

  • SHA512

    5c47b98b18eb4bc00149f3189e18fb6f9d83e92821bc38d1def0f1ceb7ba55de0d8306280806b72d8880c6e150af0ce662229739b5cfcec799e35ab26633f7f2

  • SSDEEP

    24576:FX+izx1yUYSr7tqMO/7KgyfE75BP/+mgWdm/bTFcLKV:9Jzx9r7g1r2mgxvF

Malware Config

Extracted

Family

remcos

Botnet

HOST

C2

windowslavesclient.duckdns.org:1604

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-57SZW9

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 5 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 16 > nul && REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "vsysems" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Photoes.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2232
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 16
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1272
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "vsysems" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Photoes.exe"
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4656
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 26 > nul && copy "C:\Users\Admin\AppData\Local\Temp\QUOTATION #46789RFQ_SUPLMS_NOV24_SALEH_CONSTRUCTIONS_LLC_PDF.exe" "C:\Users\Admin\AppData\Roaming\Photoes.exe" && ping 127.0.0.1 -n 26 > nul && "C:\Users\Admin\AppData\Roaming\Photoes.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2748
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 26
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4780
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 26
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3612
      • C:\Users\Admin\AppData\Roaming\Photoes.exe
        "C:\Users\Admin\AppData\Roaming\Photoes.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2672
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
            PID:4292
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:976

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\Photoes.exe

      Filesize

      1.3MB

      MD5

      b80d47598764ee94143290bb57428724

      SHA1

      bc2fe98a03d2196d02038c5c016f6e7a71529e9f

      SHA256

      ae7dd99d6214b35fe4d225dd782ca41714ffd0b637d8db40fbb887e00807d288

      SHA512

      5c47b98b18eb4bc00149f3189e18fb6f9d83e92821bc38d1def0f1ceb7ba55de0d8306280806b72d8880c6e150af0ce662229739b5cfcec799e35ab26633f7f2

    • memory/976-51-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-53-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-67-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-66-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-64-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-63-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-62-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-61-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-60-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-59-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-58-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-57-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-56-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-55-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-54-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-52-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-29-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-32-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-33-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-34-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-35-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-36-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-65-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/976-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2672-20-0x00000000752D0000-0x0000000075A80000-memory.dmp

      Filesize

      7.7MB

    • memory/2672-19-0x0000000000060000-0x00000000001BC000-memory.dmp

      Filesize

      1.4MB

    • memory/2672-24-0x0000000007020000-0x0000000007026000-memory.dmp

      Filesize

      24KB

    • memory/2672-18-0x00000000752D0000-0x0000000075A80000-memory.dmp

      Filesize

      7.7MB

    • memory/2672-23-0x0000000006FF0000-0x000000000700A000-memory.dmp

      Filesize

      104KB

    • memory/2672-28-0x00000000752D0000-0x0000000075A80000-memory.dmp

      Filesize

      7.7MB

    • memory/2672-22-0x00000000752D0000-0x0000000075A80000-memory.dmp

      Filesize

      7.7MB

    • memory/2672-21-0x00000000752D0000-0x0000000075A80000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-0-0x000000007530E000-0x000000007530F000-memory.dmp

      Filesize

      4KB

    • memory/3060-2-0x0000000005270000-0x000000000530C000-memory.dmp

      Filesize

      624KB

    • memory/3060-8-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-1-0x0000000000820000-0x000000000097C000-memory.dmp

      Filesize

      1.4MB

    • memory/3060-12-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-10-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-9-0x000000007530E000-0x000000007530F000-memory.dmp

      Filesize

      4KB

    • memory/3060-7-0x00000000058B0000-0x00000000058BA000-memory.dmp

      Filesize

      40KB

    • memory/3060-6-0x00000000053B0000-0x00000000053F4000-memory.dmp

      Filesize

      272KB

    • memory/3060-5-0x0000000005310000-0x00000000053A2000-memory.dmp

      Filesize

      584KB

    • memory/3060-4-0x0000000075300000-0x0000000075AB0000-memory.dmp

      Filesize

      7.7MB

    • memory/3060-3-0x00000000058C0000-0x0000000005E64000-memory.dmp

      Filesize

      5.6MB