Analysis

  • user interaction
    yes
  • max time kernel
    299s
  • max time network
    301s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    30/10/2026, 11:14

General

  • Target
    0002000020.PDF.scr
  • Size 1.2MB
  • Sample261030-ncb4jsyscw
  • SHA256 0e2a4abde089b98cb0b129102669253731e52865a42c655abf2bf5023f6d4dfd
  • 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.

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0002000020.PDF.scr
    "C:\Users\Admin\AppData\Local\Temp\0002000020.PDF.scr" /S
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\RarSFX0\fsmb.vbe"
      2⤵
      • Checks computer location settings
      • 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:2556
      • 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:2892
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /release
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:1952
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c caocivtcvv.dll ilac.xl
        3⤵
        • Executes a command shell one-liner
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4980
        • C:\Users\Admin\AppData\Local\Temp\RarSFX0\caocivtcvv.dll
          caocivtcvv.dll ilac.xl
          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:3408
          • 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 behavior: GetForegroundWindowSpam
            • Suspicious use of SetWindowsHookEx
            PID:4944
      • 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:2236
        • C:\Windows\SysWOW64\ipconfig.exe
          ipconfig /renew
          4⤵
          • System Location Discovery: System Language Discovery
          • Gathers network information
          PID:832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        logs.dat

        • Path C:\ProgramData\remcos\logs.dat
        • Size 144B
        • SHA256 b8ec88e841e02c1577b50583e80e4d02100d2bec14b6d1166614817e2516fd89
        • MD5 SHA1 SHA512 TLSH

        aawwac.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\aawwac.exe
        • Size 568B
        • SHA256 3c303a2e9e4f385dec818d40ff23db318c9514c3a65fa2718b0c8b5d8abf36e6
        • MD5 SHA1 SHA512 TLSH

        ahhs.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ahhs.icm
        • Size 533B
        • SHA256 0757f7eaf1283282782bc2c786dd52199093df117369c2376094fa20dc959da4
        • MD5 SHA1 SHA512 TLSH

        caocivtcvv.dll

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

        dfgfpwlxe.xls

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\dfgfpwlxe.xls
        • Size 563B
        • SHA256 fedc1a4b863c891b1a5a0cfca8e406b6b598b284f118adc9c95c1d740637180c
        • MD5 SHA1 SHA512 TLSH

        dqswuifih.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\dqswuifih.exe
        • Size 565B
        • SHA256 d20744a423fd43620f9eb5216274755d593d3ce341fff3c161c2562e0cd4f99d
        • MD5 SHA1 SHA512 TLSH

        fsmb.vbe

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\fsmb.vbe
        • Size 220KB
        • SHA256 99178eb0c4f3f30aef422fa46fe91fff1bb53404e947cf5d7eb7c239cf81c810
        • MD5 SHA1 SHA512 SSDEEP TLSH

        gmlhbhftor.msc

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\gmlhbhftor.msc
        • Size 647B
        • SHA256 6b423caa1a5e1c7f404bed2ebed8c16e60b2080c02fbb591b0be1803e5b39f75
        • MD5 SHA1 SHA512 TLSH

        jdqpp.xls

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jdqpp.xls
        • Size 574B
        • SHA256 487dfd919adb37390a457aa81efb8788a5fd0bbb0c96bbae186dd43a7bda3325
        • MD5 SHA1 SHA512 TLSH

        jejpgewq.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jejpgewq.3gp
        • Size 586B
        • SHA256 ba5890a6876f0180c9a9c402d1826a646323d61e8083bebb035391873330536b
        • MD5 SHA1 SHA512 TLSH

        jondduwtbg.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\jondduwtbg.3gp
        • Size 588B
        • SHA256 87947c49ac3ea4658b0d8a17a1e30b323ee984a9cf08bcf3822ec2408410b15a
        • MD5 SHA1 SHA512 TLSH

        joxmxx.txt

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\joxmxx.txt
        • Size 39KB
        • SHA256 ea5439a23312847447f85f57f5545f104140cb0d5179c3152b0a155f33aab9ee
        • MD5 SHA1 SHA512 SSDEEP TLSH

        joxmxx.txt

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\joxmxx.txt
        • Size 39KB
        • SHA256 81382a8064e51f6b503bea0aa69c103725e875343be817b2d0236f0a325ffb28
        • MD5 SHA1 SHA512 SSDEEP TLSH

        kies.jfu

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

        lkji.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\lkji.mp3
        • Size 521B
        • SHA256 ee277491fb370e0763ad5434d7b37a3ac8c531ff0fe39b9ce3aabfc80a9d2ba7
        • MD5 SHA1 SHA512 TLSH

        nkfurrhm.dll

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\nkfurrhm.dll
        • Size 632B
        • SHA256 bea1c0271847214f74a295dc3c4f503c9b04c32b8bd1ed6902c128f585eae5b5
        • MD5 SHA1 SHA512 TLSH

        nksfoju.3gp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\nksfoju.3gp
        • Size 695B
        • SHA256 12bc74d7c9553c68fc9ef29e6d28cd6c8e55e5e3d5fd1433b924696f9cf92351
        • MD5 SHA1 SHA512 TLSH

        pbcxlmst.bmp

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pbcxlmst.bmp
        • Size 602B
        • SHA256 6ef857be3893ebdd2a508ae380aeb417f47095781369ff75d722142062f63a6a
        • MD5 SHA1 SHA512 TLSH

        pfperc.txt

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\pfperc.txt
        • Size 590B
        • SHA256 5f7c8c8c7353f0c09e0bf2898f237d9636014a0a0dd66f2cffb33b8ad653b962
        • MD5 SHA1 SHA512 TLSH

        phcpccwj.xl

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\phcpccwj.xl
        • Size 542B
        • SHA256 e061d3560275f721337d3677d044b620d5d9415e0876d9f0455efe5ffc41b678
        • MD5 SHA1 SHA512 TLSH

        ptllol.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\ptllol.mp3
        • Size 522B
        • SHA256 461af20be3fe640d0c884e68566add57824b15666dcfd09b84b323250fac6ebe
        • MD5 SHA1 SHA512 TLSH

        smgwwqi.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\smgwwqi.mp3
        • Size 621B
        • SHA256 41c245bb734ad516449433fa9b33ac20c3da53228f5185e3fec40eb11dbe8262
        • MD5 SHA1 SHA512 TLSH

        swpecx.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\swpecx.mp3
        • Size 527B
        • SHA256 335794d04bbd270e4463e4e274a7648b8241419dff0cd2acdc54bd6b422e19e9
        • MD5 SHA1 SHA512 TLSH

        sxsuh.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\sxsuh.mp3
        • Size 508B
        • SHA256 ba00b466ae9112e3005f8b17b28ec92ba36716c29e470ae456f2bc2d7a77ee63
        • MD5 SHA1 SHA512 TLSH

        uknhqmmwrq.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\uknhqmmwrq.icm
        • Size 638B
        • SHA256 1208f33061088d0b89ce410392600a5a2fd348a35e667e3ca0e68488a00fcc9e
        • MD5 SHA1 SHA512 TLSH

        wfhj.mp3

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wfhj.mp3
        • Size 621B
        • SHA256 24baffd26dd6bbebab02c5a7535f44a7ddb8c3f789dde09708faaa485f77fe5c
        • MD5 SHA1 SHA512 TLSH

        wlhdnn.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wlhdnn.icm
        • Size 659B
        • SHA256 018f599cc0fcd5cde6a82e98705045c9a41dd00808244b07c78a13398327c870
        • MD5 SHA1 SHA512 TLSH

        wnqx.icm

        • Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\wnqx.icm
        • Size 559B
        • SHA256 6f8dd3a9ff6a9fb2d10fb364eb817cd1dc2ce76c00e9aa50900d4c5f2eb79cba
        • MD5 SHA1 SHA512 TLSH

        RegSvcs.exe

        • Path C:\Users\Admin\AppData\Local\Temp\RegSvcs.exe
        • Size 44KB
        • SHA256 2c1eeb7097023c784c2bd040a2005a5070ed6f3a4abf13929377a9e39fab1390
        • MD5 SHA1 SHA512 SSDEEP TLSH

        joxmxx.txt

        • Path C:\Users\Admin\temp\joxmxx.txt
        • Size 86B
        • SHA256 08f671d0049183506feb12da28fdc29c0f82d3593833c0bf9e87942f34c3e607
        • MD5 SHA1 SHA512 TLSH

        memory/4944-128-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-154-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-103-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-107-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-110-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-111-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-113-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-114-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-116-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-117-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-119-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-120-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-102-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-122-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-125-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-126-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-100-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-131-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-133-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-134-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-137-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-136-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-139-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-142-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-143-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-145-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-147-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-148-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-150-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-151-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-153-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-106-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-156-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-159-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-160-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-163-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-162-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-165-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-167-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-168-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-170-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-173-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-174-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-175-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-177-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-178-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-179-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-181-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-184-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-185-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-187-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-188-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-190-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-191-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-192-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-194-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-195-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-196-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-198-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-199-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-201-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-202-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-204-0x0000000000E10000-0x0000000001490000-memory.dmp

        memory/4944-205-0x0000000000E10000-0x0000000001490000-memory.dmp