Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/08/2026, 19:08

General

  • Target
    2026-08-31_6a58787c5ba0e01b0b712bb28cbb657f_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
  • Size 4.3MB
  • Sample260831-xtcwvaydpf
  • SHA256 b909a5ba5e807710465acc758bd41d21929d5aceb2b97134ab78669f03af0d45
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 46 IoCs
  • Drops file in Windows directory 8 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 26 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.

Processes

  • C:\Windows\explorer.exe
    explorer.exe /LOADSAVEDWINDOWS
    1⤵
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5688
    • C:\Users\Admin\AppData\Local\Temp\2026-08-31_6a58787c5ba0e01b0b712bb28cbb657f_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-08-31_6a58787c5ba0e01b0b712bb28cbb657f_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5604
      • C:\Users\Admin\Videos\Symbiote.exe
        C:\Users\Admin\Videos\Symbiote.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3772
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4532
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1572
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
            5⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Drops file in Windows directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4228
  • C:\Users\Admin\Videos\Symbiote.exe
    C:\Users\Admin\Videos\Symbiote.exe
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5732
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4528
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell.exe -c Add-MpPreference -ExclusionProcess "C:\Users\Admin\Videos\Symbiote.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4972

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 e56f4a38e0c60f0196c589e1952198368a10927e65ff24d1476ffafc489657f4
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_u0zgbo3k.pse.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_u0zgbo3k.pse.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        PEStub.dll

        • Path C:\Users\Admin\Videos\PEStub.dll
        • Size 59KB
        • SHA256 5aab76737f2d9f6e6d4d225b12e1123918306d86f1ba5e0f629f97fd3f9710d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Phosphoric.dll

        • Path C:\Users\Admin\Videos\Phosphoric.dll
        • Size 868KB
        • SHA256 bbbf9287cbac6a35d66cd0ac5744298a62b1934cbc8cf2292e3f1efd43ab22fa
        • MD5 SHA1 SHA512 SSDEEP TLSH

        PsPInjector.dll

        • Path C:\Users\Admin\Videos\PsPInjector.dll
        • Size 21KB
        • SHA256 dd93e8ae016728ffcfd0dde17e67768357f909d9b09e73919838b394960f1a8f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Symbiote.exe

        • Path C:\Users\Admin\Videos\Symbiote.exe
        • Size 781KB
        • SHA256 dd822836313f979e21c86489d4b2a95a68c258baccb3abdce736d298a2c7ad14
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 d28ef187840dcd1fe0a8a757ef9cd326023bec38b39ef1338f91d508d55dcf28
        • MD5 SHA1 SHA512 TLSH

        memory/1204-206-0x000001F3EA7D0000-0x000001F3EA8C0000-memory.dmp

        memory/4228-153-0x000001DA787F0000-0x000001DA788E0000-memory.dmp

        memory/4532-22-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-139-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-26-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-31-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-36-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-16-0x00007FF8EA99F000-0x00007FF8EA9A0000-memory.dmp

        memory/4532-23-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-18-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-43-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-90-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-91-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-21-0x00007FF8EA810000-0x00007FF8EB1B4000-memory.dmp

        memory/4532-105-0x000002766BDE0000-0x000002766BDFE000-memory.dmp

        memory/4532-106-0x000002766C060000-0x000002766C112000-memory.dmp

        memory/4532-109-0x000002766BE00000-0x000002766BE0A000-memory.dmp

        memory/4532-138-0x000002766C370000-0x000002766C460000-memory.dmp

        memory/4532-27-0x000002766BD50000-0x000002766BD72000-memory.dmp

        memory/4972-209-0x0000018370E30000-0x0000018370F20000-memory.dmp

        memory/5604-195-0x0000000140000000-0x00000001401A3000-memory.dmp

        memory/5604-0-0x00007FF79E570000-0x00007FF79E9C8000-memory.dmp

        memory/5604-2-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/5604-210-0x00007FF79E570000-0x00007FF79E9C8000-memory.dmp

        memory/5688-19-0x0000000000780000-0x0000000000781000-memory.dmp

        memory/5688-40-0x0000000000770000-0x0000000000771000-memory.dmp