Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/10/2026, 12:18

General

  • Target
    003060020002.PDF.scr
  • Size 1.2MB
  • Sample261031-pgvl5ahc92
  • SHA256 5f473a095ab12daedce6b89432949792e519e353801936845ac819b55ef6c868
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.2.1 Pro

Botnet
  • GREENBASE

C2
  • amsholdings.ddns.net:60859

  • swgtcampus0101.duckdns.org:60859

  • Ocampus.freeddns.org:60859

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-PU0TUA

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Family: Remcos

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 3 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

    The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

  • 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.

  • Gathers network information 2 TTPs 2 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry class 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\003060020002.PDF.scr
    "C:\Users\Admin\AppData\Local\Temp\003060020002.PDF.scr" /S
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\toxw.vbe"
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Reads the TCP/IP host and domain name from the registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4692
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig /release
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2352
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /release
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:2708
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c kswgidvw.icm lcehhdsfec.mp2
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:856
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\kswgidvw.icm
          kswgidvw.icm lcehhdsfec.mp2
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4280
          • C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
            "C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe"
            5⤵
            • Executes dropped EXE
            • Reads the TCP/IP host and domain name from the registry
            • System Location Discovery: System Language Discovery
            • Suspicious use of SetWindowsHookEx
            PID:3236
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c ipconfig /renew
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4828
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /renew
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:1108

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 102B
        • SHA256 524d34e6602b782992c92eb96e78b96616b6e325abcc8e96a125c0106e0cd145
        • MD5 SHA1 SHA512 TLSH

        asolxbpvkx.mp2

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\asolxbpvkx.mp2
        • Size 40KB
        • SHA256 89457b5460548c2b2fdabfb2f985504b2831e4ad868b334826d597e68bcf8948
        • MD5 SHA1 SHA512 SSDEEP TLSH

        asolxbpvkx.mp2

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\asolxbpvkx.mp2
        • Size 40KB
        • SHA256 a8e948e948748cb2170b586c8871456780db7cf67bfddf1752caa70013f4dac0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        fkitauiii.mp2

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\fkitauiii.mp2
        • Size 512B
        • SHA256 b05975b8326c52e77a9d55010641dcd4d25bc8e7f4a418400005ce4182c05853
        • MD5 SHA1 SHA512 TLSH

        flowt.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\flowt.mp3
        • Size 507B
        • SHA256 aeac991e2b2d2f995c0c43b8eb82a2f5114c29570c4025658d91166baef44fdd
        • MD5 SHA1 SHA512 TLSH

        fpdllxw.ppt

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\fpdllxw.ppt
        • Size 625B
        • SHA256 1c84a4dd3e122fcda76d0b9235283336621bc11252ae84c747816008d8f1b80d
        • MD5 SHA1 SHA512 TLSH

        iqcmnj.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\iqcmnj.icm
        • Size 511B
        • SHA256 8b25d3c93c29d80c9aaeb1ed38b3a05489a9ba3beee80a4a0d42c22ff8864089
        • MD5 SHA1 SHA512 TLSH

        kswgidvw.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\kswgidvw.icm
        • Size 925KB
        • SHA256 98e4f904f7de1644e519d09371b8afcbbf40ff3bd56d76ce4df48479a4ab884b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        kwxxaf.docx

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\kwxxaf.docx
        • Size 582B
        • SHA256 33a0661105f44b3d9879aa15e0f59d8132df3cf4229f8c0c7f9552d37fd3c898
        • MD5 SHA1 SHA512 TLSH

        latwarq.msc

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\latwarq.msc
        • Size 520B
        • SHA256 e33fa54c720a54c60f9f2672c225fe6a866dc9fdec3c8d1d5db442a4b2e9e08f
        • MD5 SHA1 SHA512 TLSH

        loildsstx.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\loildsstx.3gp
        • Size 567B
        • SHA256 8ed074a638486c5ea78893f0e1404f568f2ded8aaf9fa64f79ec0c49196cd039
        • MD5 SHA1 SHA512 TLSH

        luujthnsst.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\luujthnsst.mp3
        • Size 620B
        • SHA256 aff49edc74e4f065032cf1e8ed423f6724451ee00200a0b024a7a90cc10a8038
        • MD5 SHA1 SHA512 TLSH

        nhkrpot.txt

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\nhkrpot.txt
        • Size 532B
        • SHA256 1b295a4575fe61a99905906f71ac58251aa052f3dfb6e10eca03b2958db58396
        • MD5 SHA1 SHA512 TLSH

        oecfo.pdf

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\oecfo.pdf
        • Size 584B
        • SHA256 4fb13f34c59971bb6cd24e1328b0e2eef9509ffab88150f4841dfd28148cfb4c
        • MD5 SHA1 SHA512 TLSH

        ohvlcsbfv.jpg

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ohvlcsbfv.jpg
        • Size 626B
        • SHA256 3c3f64cbfb7060f4e3e9e7bf201c888eaf3739b7eac54f08bc4371be642bdb42
        • MD5 SHA1 SHA512 TLSH

        pgaua.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pgaua.exe
        • Size 546B
        • SHA256 7c3a923f9c0f38d81864b60138761e5239de98f0e71e6404eaaf42500f48c1d3
        • MD5 SHA1 SHA512 TLSH

        qgbrubvc.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\qgbrubvc.3gp
        • Size 527B
        • SHA256 66e398013be2e40284c122c5a34e1b7a949fbb48511c79457faf13c79370658f
        • MD5 SHA1 SHA512 TLSH

        rvgbm.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\rvgbm.dll
        • Size 608B
        • SHA256 385944026fc86eab5ef1752c443291e639ec725441863324b87d5b29a61add29
        • MD5 SHA1 SHA512 TLSH

        tjkex.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\tjkex.dll
        • Size 598B
        • SHA256 c7522bf0a3a6556399249f3fff3fc8227dbdeb231c85a9eca542de5da9ad7362
        • MD5 SHA1 SHA512 TLSH

        toxw.vbe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\toxw.vbe
        • Size 140KB
        • SHA256 b953477b61d93c6986314e4790d15c8375e08bcce5d113bf08b078e45039a46b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        tsxvndpw.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\tsxvndpw.mp3
        • Size 591B
        • SHA256 944d65e157a80243402a91562137c19d930eb69f3d356c630b613753a77cf0f6
        • MD5 SHA1 SHA512 TLSH

        txvwm.xls

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\txvwm.xls
        • Size 561B
        • SHA256 3c488fe4180622873b5260d58a9675b991134ced003797f057b2b4af32854fdf
        • MD5 SHA1 SHA512 TLSH

        veoroctvb.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\veoroctvb.bmp
        • Size 602B
        • SHA256 e845cd8d44d10f4173ee7f2b0dd1f2870ab48d57450255c802fc378ff3ae6ec9
        • MD5 SHA1 SHA512 TLSH

        wcngxekkug.hfe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wcngxekkug.hfe
        • Size 942KB
        • SHA256 2f9b83a113d2710056cbbf2e20baf5bedfb11a01b63297276e6eaf857642aa7e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        wmxg.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wmxg.icm
        • Size 654B
        • SHA256 96b27335d5540e5123495bbe00eff0e66a47eba86b71867ac5d2111e2a91700b
        • MD5 SHA1 SHA512 TLSH

        RegSvcs.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        • Size 38KB
        • SHA256 083bc9319eb8066131b8005dd7013f85f2a27c7908767f94183d3e153b8db12b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        asolxbpvkx.mp2

        • Path C:\Users\Admin\temp\asolxbpvkx.mp2
        • Size 88B
        • SHA256 f231793edd0ac945de8e4b5764b8a643ecaff32d23d19cd54978989742f23ca9
        • MD5 SHA1 SHA512 TLSH

        memory/3236-110-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-116-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-96-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-97-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-94-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-104-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-105-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-90-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-111-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-92-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-117-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-123-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-124-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-129-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-130-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-135-0x0000000000B00000-0x0000000000FD4000-memory.dmp

        memory/3236-136-0x0000000000B00000-0x0000000000FD4000-memory.dmp