Overview

overview

10

Static

static

10

2026-08-20...ar.exe

windows10-2004-x64

10

2026-08-20...ar.exe

windows11-ltsc_2024-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    20/08/2026, 17:23

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General

  • Target
    2026-08-20_a471069a367f3bb3822f94a2493da90b_cobalt-strike_glassworm_icedid_luca-stealer_njrat_remcos_satacom_stealc_vidar.exe
  • Size 7.5MB
  • Sample260820-vykfdasbma
  • SHA256 23e85424a9faa2fd39e2f0c18a32fffe95a4f645eafbc01ce150b83a035fbff0
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
solaris_loaderloaderpersistence

Malware Config

Extracted

Family

  • solaris_loader

C2

  • 62.60.226.159

  • 196.251.107.130

  • 196.251.107.117

Signatures

  • Family: SolarisLoader

    SolarisLoader is a Windows loader written in C.

    loadersolaris_loader
  • Detects Reflective DLL injection artifacts 1 IoCs
  • Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

    persistence
  • Executes dropped EXE 4 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Windows\System32\RuntimeBroker.exe
    C:\Windows\System32\RuntimeBroker.exe -Embedding
    1⤵
      PID:4392
    • C:\Windows\System32\RuntimeBroker.exe
      C:\Windows\System32\RuntimeBroker.exe -Embedding
      1⤵
        PID:4424
      • C:\Windows\system32\ctfmon.exe
        /QuitInfo:0000000000000270;0000000000000274;
        1⤵
          PID:4980
        • C:\Windows\System32\smartscreen.exe
          C:\Windows\System32\smartscreen.exe -Embedding
          1⤵
            PID:5220
          • C:\Windows\system32\sihost.exe
            sihost.exe
            1⤵
              PID:4992
              • C:\Windows\explorer.exe
                explorer.exe /LOADSAVEDWINDOWS
                2⤵
                • Modifies registry class
                • Suspicious behavior: GetForegroundWindowSpam
                • Suspicious use of UnmapMainImage
                • Suspicious use of WriteProcessMemory
                PID:2776
                • C:\Users\Admin\AppData\Local\Temp\2026-08-20_a471069a367f3bb3822f94a2493da90b_cobalt-strike_glassworm_icedid_luca-stealer_njrat_remcos_satacom_stealc_vidar.exe
                  "C:\Users\Admin\AppData\Local\Temp\2026-08-20_a471069a367f3bb3822f94a2493da90b_cobalt-strike_glassworm_icedid_luca-stealer_njrat_remcos_satacom_stealc_vidar.exe"
                  3⤵
                    PID:3812
              • C:\Users\Admin\AppData\Local\Temp\SvcHostAnalyzer.exe
                "C:\Users\Admin\AppData\Local\Temp\SvcHostAnalyzer.exe"
                1⤵
                • Sets service image path in registry
                • Executes dropped EXE
                • Suspicious behavior: LoadsDriver
                • Suspicious use of AdjustPrivilegeToken
                PID:4824
              • C:\Users\Admin\AppData\Local\Temp\WinUpdateHelper.exe
                "C:\Users\Admin\AppData\Local\Temp\WinUpdateHelper.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of WriteProcessMemory
                PID:5712
              • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\winhost.exe
                C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Services\winhost.exe
                1⤵
                • Executes dropped EXE
                PID:4528
              • C:\Users\Admin\AppData\Local\Temp\EmbeddedDriverService.sys
                C:\Users\Admin\AppData\Local\Temp\EmbeddedDriverService.sys
                1⤵
                • Executes dropped EXE
                PID:3156

              Network

                    MITRE ATT&CK Enterprise v16

                    Replay Monitor

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                    Downloads

                    EmbeddedDriverService.sys
                    • Path C:\Users\Admin\AppData\Local\Temp\EmbeddedDriverService.sys
                    • Size 34KB
                    • SHA256 70bcec00c215fe52779700f74e9bd669ff836f594df92381cbfb7ee0568e7a8b
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    SvcHostAnalyzer.exe
                    • Path C:\Users\Admin\AppData\Local\Temp\SvcHostAnalyzer.exe
                    • Size 147KB
                    • SHA256 5847e5335818953dfb13c349a7f1b530c5a75a0ff671b471b5e6d8f9b55b23e8
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    WinUpdateHelper.exe
                    • Path C:\Users\Admin\AppData\Local\Temp\WinUpdateHelper.exe
                    • Size 41KB
                    • SHA256 8635686a46d38ac506d4a9f05a43fec74f15d7d8979931a2ce9a1adba0a5d452
                    • MD5 SHA1 SHA512 SSDEEP TLSH
                    Submit Download

                    memory/2776-29-0x0000000001440000-0x0000000001441000-memory.dmp
                    Download

                    memory/2776-30-0x0000000003970000-0x0000000003971000-memory.dmp
                    Download

                    memory/4392-10-0x000002325FBA0000-0x000002325FBA3000-memory.dmp
                    Download

                    memory/4528-35-0x00007FFEA9A00000-0x00007FFEA9C63000-memory.dmp
                    Download

                    memory/4980-22-0x000001A52B330000-0x000001A52B337000-memory.dmp
                    Download

                    memory/5712-9-0x00007FFEA9A00000-0x00007FFEA9C63000-memory.dmp
                    Download