Analysis

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

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 08:51

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 29 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 31 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:1000
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 18 > 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:4660
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 18
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3040
      • 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:2256
    • C:\Windows\SysWOW64\cmd.exe
      "cmd" /c ping 127.0.0.1 -n 21 > 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 21 > 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:4576
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 21
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:4952
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 21
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1852
      • 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:3720
        • 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:4888

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/1000-0-0x00000000746CE000-0x00000000746CF000-memory.dmp

    Filesize

    4KB

  • memory/1000-1-0x0000000000C20000-0x0000000000D7C000-memory.dmp

    Filesize

    1.4MB

  • memory/1000-2-0x0000000005210000-0x00000000052AC000-memory.dmp

    Filesize

    624KB

  • memory/1000-3-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-4-0x0000000005960000-0x0000000005F04000-memory.dmp

    Filesize

    5.6MB

  • memory/1000-5-0x00000000052B0000-0x0000000005342000-memory.dmp

    Filesize

    584KB

  • memory/1000-6-0x0000000005170000-0x00000000051B4000-memory.dmp

    Filesize

    272KB

  • memory/1000-7-0x0000000005810000-0x000000000581A000-memory.dmp

    Filesize

    40KB

  • memory/1000-8-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-9-0x00000000746CE000-0x00000000746CF000-memory.dmp

    Filesize

    4KB

  • memory/1000-10-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/1000-12-0x00000000746C0000-0x0000000074E70000-memory.dmp

    Filesize

    7.7MB

  • memory/3720-19-0x0000000000D10000-0x0000000000E6C000-memory.dmp

    Filesize

    1.4MB

  • memory/3720-18-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/3720-20-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/3720-21-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/3720-22-0x0000000005DB0000-0x0000000005DCA000-memory.dmp

    Filesize

    104KB

  • memory/3720-23-0x0000000007A50000-0x0000000007A56000-memory.dmp

    Filesize

    24KB

  • memory/3720-28-0x0000000074690000-0x0000000074E40000-memory.dmp

    Filesize

    7.7MB

  • memory/4888-24-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-26-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-27-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-29-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-30-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-31-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-32-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-33-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-34-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-35-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-36-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-37-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-38-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-39-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-40-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-41-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-42-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-43-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-44-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-45-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-46-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-47-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-48-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-49-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-50-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-51-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-52-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-53-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-54-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-55-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-56-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-57-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-58-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-59-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-60-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-61-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-62-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-63-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-64-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-65-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-66-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-67-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-68-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-69-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-70-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-71-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-72-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-73-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-74-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-75-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-76-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-77-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-78-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB

  • memory/4888-79-0x0000000000400000-0x000000000047F000-memory.dmp

    Filesize

    508KB