Analysis

  • max time kernel
    118s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/04/2024, 07:58

General

  • Target

    $TEMP/PartiShikari.dll

  • Size

    50KB

  • MD5

    8aec2b9bf7b0156601b5738445c89afb

  • SHA1

    72a3cf230083d1b882181bda3320ee5592a058d2

  • SHA256

    e288f1292df61e692e2ba9f2a163bcaa620403b30fad40155c37edc9c9e53f76

  • SHA512

    a92939475c2d0ac2331428d42628fc035ef98b3bb7ff9c154d99b441a38e11419de74fea0b07765de695dc02f0610ac9aba2ce7f82d500703b87f5f1183fe9ba

  • SSDEEP

    1536:dJOsygYsjOO8ziIJJNAB/qepudoVoD3Qu3IE:7s2IJM

Score
10/10

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

TREINTAYOCHO

C2

treintayochorem.duckdns.org:1010

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • 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

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-H7ZOSI

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

  • take_screenshot_title

    wikipedia;solitaire;

Signatures

  • Remcos

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

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\PartiShikari.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1504
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\PartiShikari.dll,#1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:484
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2456
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\msfeedssync.exe""
          4⤵
            PID:2484
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\msfeedssync.exe""
            4⤵
              PID:1976
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\msfeedssync.exe""
              4⤵
                PID:768
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\msfeedssync.exe""
                4⤵
                  PID:1472
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\msfeedssync.exe""
                  4⤵
                    PID:2872
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c "COPY /Y /B "" "C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\msfeedssync.exe""
                    4⤵
                      PID:748

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/484-1-0x0000000000140000-0x0000000000142000-memory.dmp

                      Filesize

                      8KB

                    • memory/484-0-0x00000000752E0000-0x0000000075338000-memory.dmp

                      Filesize

                      352KB

                    • memory/484-2-0x0000000076E50000-0x0000000076E85000-memory.dmp

                      Filesize

                      212KB

                    • memory/484-3-0x0000000077B80000-0x0000000077D29000-memory.dmp

                      Filesize

                      1.7MB

                    • memory/484-12-0x00000000752E0000-0x0000000075338000-memory.dmp

                      Filesize

                      352KB

                    • memory/2456-4-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2456-5-0x0000000000400000-0x0000000000420000-memory.dmp

                      Filesize

                      128KB

                    • memory/2456-6-0x0000000000090000-0x0000000000096000-memory.dmp

                      Filesize

                      24KB

                    • memory/2456-7-0x0000000077B80000-0x0000000077D29000-memory.dmp

                      Filesize

                      1.7MB