Analysis

  • user interaction
    yes
  • max time kernel
    269s
  • max time network
    198s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260911-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    16/09/2026, 09:25

General

  • Target
    install_octoplus_suite_1.6.7.exe
  • Size 66.9MB
  • Sample260916-ld38basw4k
  • SHA256 8b9381f280cd6e4eda5f03314b626c8152d0677cab769f9ec549e77e9c267577
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    38.242.233.249

  • Port

    21

  • Username

    SamsungResources

  • Password

    getResources

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 10 IoCs
  • Checks installed software on the system 1 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Inno Setup is an open-source installation builder for Windows applications. 3 IoCs

    Inno Setup installer

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\install_octoplus_suite_1.6.7.exe
    "C:\Users\Admin\AppData\Local\Temp\install_octoplus_suite_1.6.7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\is-GGNS8.tmp\install_octoplus_suite_1.6.7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-GGNS8.tmp\install_octoplus_suite_1.6.7.tmp" /SL5="$B01F2,69726921,57856,C:\Users\Admin\AppData\Local\Temp\install_octoplus_suite_1.6.7.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4344
      • C:\Program Files (x86)\Octoplus\Octoplus_Suite\OCTOPLUSSUITE.exe
        "C:\Program Files (x86)\Octoplus\Octoplus_Suite\OCTOPLUSSUITE.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:1900
  • C:\Program Files (x86)\Octoplus\Octoplus_Suite\OctoplusSuite.exe
    "C:\Program Files (x86)\Octoplus\Octoplus_Suite\OctoplusSuite.exe"
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:3304
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /7
    1⤵
    • Checks SCSI registry key(s)
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:5648
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3932
    • C:\Program Files (x86)\Octoplus\Octoplus_Suite\SeUpdater.exe
      "C:\Program Files (x86)\Octoplus\Octoplus_Suite\SeUpdater.exe"
      1⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:5352

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          AdbWinApi.dll

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\AdbWinApi.dll
          • Size 94KB
          • SHA256 86c563196176bb8581b9f359ac655e02e502edf324cd36bc6fffce87bff394ae
          • MD5 SHA1 SHA512 SSDEEP TLSH

          AdbWinUsbApi.dll

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\AdbWinUsbApi.dll
          • Size 59KB
          • SHA256 dd3b857230408b0b8b0f6ea86fcb2f5db6a0b8c49efdc8e8e5a0a4da5fe268ee
          • MD5 SHA1 SHA512 SSDEEP TLSH

          is-AJ88C.tmp

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\DRIVERS\USBFlash_driver\Amd64\is-AJ88C.tmp
          • Size 1.4MB
          • SHA256 749cc009f1cae5c633083897e906b381aa685829fee2d7cd5e07bae543848ff7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          is-JJC6S.tmp

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\DRIVERS\USBFlash_driver\x86\is-JJC6S.tmp
          • Size 1.1MB
          • SHA256 bcf6fbbdf1ad402dc761f87d79688c9b81aa70d63b835fc6618fc8e0686f39f4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Arabic.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Arabic.ini
          • Size 136B
          • SHA256 d517069bf9740bf5c0f37a464c123f446ccc23ae8fef967638438a5f457d79c6
          • MD5 SHA1 SHA512 TLSH

          English.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\English.ini
          • Size 13KB
          • SHA256 7f9ead76c6aee1a4c47e0c75eda916195c12bdf75a5e38ba75e1a3de61f9b613
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Hungarian.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Hungarian.ini
          • Size 140B
          • SHA256 e8329e22b46301068192271da00bf6a910b3895af5ac208bb595552baf142d1f
          • MD5 SHA1 SHA512 TLSH

          Portuguese.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Portuguese.ini
          • Size 140B
          • SHA256 a3daab31dd409f043f72df6c6fae60688fe2e6de54703dab3ac3514941e45172
          • MD5 SHA1 SHA512 TLSH

          Romanian.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Romanian.ini
          • Size 138B
          • SHA256 7be21f90c9c0bfa5839b16e9dcfa5157e82c2fea81a850f0c0db75dd0a18fff1
          • MD5 SHA1 SHA512 TLSH

          Spanish.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Spanish.ini
          • Size 136B
          • SHA256 379e1e0b395c026bf43b0eabd7ffe7af8ace08a473f369618b8d37432bbc3647
          • MD5 SHA1 SHA512 TLSH

          Thai.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Thai.ini
          • Size 128B
          • SHA256 e8defe9ef7ae7062df4fe560466fcd17328adf3228460bda1836c27e7aafc47f
          • MD5 SHA1 SHA512 TLSH

          Ukrainian.ini

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\LANGUAGES\Ukrainian.ini
          • Size 142B
          • SHA256 1357fa83d018ddad0c9d9d981a25f305427e965105d4585bed123f466d00e9f0
          • MD5 SHA1 SHA512 TLSH

          is-34KCG.tmp

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\MANUALS\images\modems\is-34KCG.tmp
          • Size 11KB
          • SHA256 ee86040c7e639a0501fb61dacbeaaf8d0c19f09881f8af75f39378e4a6037347
          • MD5 SHA1 SHA512 SSDEEP TLSH

          is-AAIR3.tmp

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\MANUALS\images\modems\is-AAIR3.tmp
          • Size 26KB
          • SHA256 abefe1e681e2775240c1db89db3d4e808c52d19117a98d08af14b2edf17638c9
          • MD5 SHA1 SHA512 SSDEEP TLSH

          is-O5SVG.tmp

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\MANUALS\images\modems\is-O5SVG.tmp
          • Size 40KB
          • SHA256 24bd2dff7cd0f4034b94f91bc43213235be6293cd70655d42c552ab55b65d392
          • MD5 SHA1 SHA512 SSDEEP TLSH

          is-N89OR.tmp

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\MANUALS\images\phones\zte\is-N89OR.tmp
          • Size 31KB
          • SHA256 81e49ff6a5117bf46ac4b7743a0524b9ffa6f1ab7df71cd195b0b79aaa9254f8
          • MD5 SHA1 SHA512 SSDEEP TLSH

          OctoplusSuite.exe

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\OctoplusSuite.exe
          • Size 36.1MB
          • SHA256 899d3f24de9978caa32aabe39a080d1530a8dd7c2f3854c6cafe0b65950bf175
          • MD5 SHA1 SHA512 SSDEEP TLSH

          RemoteService_Models.oct

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\RemoteService_Models.oct
          • Size 242KB
          • SHA256 882a443c290f7bcd35cfe7cd4de4da7cea554f98504eec14a9e36ad20fd54328
          • MD5 SHA1 SHA512 SSDEEP TLSH

          SeUpdater.exe

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\SeUpdater.exe
          • Size 8.5MB
          • SHA256 982dbae918757853f3dbad9cb1773908f9864cce6f50f31db6065ce1f6396793
          • MD5 SHA1 SHA512 SSDEEP TLSH

          libeay32.dll

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\libeay32.dll
          • Size 1.1MB
          • SHA256 b2f7887ae0bd418724eb32d3449197551a0895f2c764a933a7bd984f187eab78
          • MD5 SHA1 SHA512 SSDEEP TLSH

          meflash.dll

          • Path C:\Program Files (x86)\Octoplus\Octoplus_Suite\meflash.dll
          • Size 72KB
          • SHA256 d027af2e7671ecab638b1a434f8c8289ed7f3fb014af7b8720c95e33964fced4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          install_octoplus_suite_1.6.7.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-GGNS8.tmp\install_octoplus_suite_1.6.7.tmp
          • Size 697KB
          • SHA256 cc783a04ccbca4edd06564f8ec88fe5a15f1e3bb26cec7de5e090313520d98f3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1900-1153-0x000000000B3E0000-0x000000000B3E1000-memory.dmp

          memory/1900-1155-0x0000000000400000-0x0000000001400000-memory.dmp

          memory/1900-1146-0x00000000082E0000-0x00000000082F4000-memory.dmp

          memory/2328-9-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/2328-1152-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/2328-0-0x0000000000400000-0x0000000000415000-memory.dmp

          memory/3304-1178-0x0000000000400000-0x0000000001400000-memory.dmp

          memory/3304-1177-0x0000000000190000-0x0000000000191000-memory.dmp

          memory/3304-1175-0x0000000000160000-0x0000000000174000-memory.dmp

          memory/4344-1040-0x0000000000400000-0x00000000004BE000-memory.dmp

          memory/4344-11-0x0000000002100000-0x0000000002101000-memory.dmp

          memory/4344-10-0x0000000000400000-0x00000000004BE000-memory.dmp

          memory/4344-13-0x0000000000400000-0x00000000004BE000-memory.dmp

          memory/4344-1150-0x0000000000400000-0x00000000004BE000-memory.dmp

          memory/4344-1151-0x0000000000400000-0x00000000004BE000-memory.dmp

          memory/4344-5-0x0000000002100000-0x0000000002101000-memory.dmp

          memory/5352-1217-0x0000000000400000-0x0000000001425000-memory.dmp

          memory/5352-1216-0x0000000003030000-0x0000000003031000-memory.dmp

          memory/5648-1211-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1213-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1212-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1210-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1209-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1208-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1207-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1201-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1202-0x0000018622B70000-0x0000018622B71000-memory.dmp

          memory/5648-1203-0x0000018622B70000-0x0000018622B71000-memory.dmp