Analysis

  • max time kernel
    150s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 04:03

General

  • Target
    2026-05-11_8ac061769678f80f1a95dddad028fd03_cobalt-strike_hijackloader_icedid_njrat_stealc_vidar.exe
  • Size 2.1MB
  • Sample260511-emwfhaev5p
  • SHA256 baebfebb642971256838ab99617cadb4bd9eb6b96ce0e3f8caa9d2e2709bd966
  • 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 3 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of UnmapMainImage 1 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
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3196
    • C:\Users\Admin\AppData\Local\Temp\2026-05-11_8ac061769678f80f1a95dddad028fd03_cobalt-strike_hijackloader_icedid_njrat_stealc_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-05-11_8ac061769678f80f1a95dddad028fd03_cobalt-strike_hijackloader_icedid_njrat_stealc_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5048
      • 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:4024
        • 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:5524
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2428
          • 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
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3772
  • 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:5380
    • 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:5552
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:772
      • 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
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:5160

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 ceceebdbd877d161f925e88d1983f280ddd0d9f053aedb0933a4ce9b0e87d56e
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_xhqbk0yq.btw.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_xhqbk0yq.btw.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

        powershell.exe.log

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 4KB
        • SHA256 e27390d57580e3dfba07bec3d8e430203bbc91e90f6937079b3fd52abc721bd4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 fb485201330a5ca14dc2d7a80ecf88b5c9e53d59929f9234c3ccf7548e2fe73f
        • MD5 SHA1 SHA512 TLSH

        memory/3196-340-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-337-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-41-0x00000000008D0000-0x00000000008D1000-memory.dmp

        memory/3196-343-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-339-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-342-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-347-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-19-0x00000000008E0000-0x00000000008E1000-memory.dmp

        memory/3196-336-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-341-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-335-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-334-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-346-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-338-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-349-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-344-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-345-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3196-348-0x0000000000730000-0x0000000000740000-memory.dmp

        memory/3772-213-0x000002A3B4B80000-0x000002A3B4B8C000-memory.dmp

        memory/3772-214-0x000002A3CEA30000-0x000002A3CEA42000-memory.dmp

        memory/3772-208-0x000002A3CF0E0000-0x000002A3CF0EA000-memory.dmp

        memory/3772-169-0x000002A3CF0A0000-0x000002A3CF0A8000-memory.dmp

        memory/3772-195-0x000002A3CF0D0000-0x000002A3CF0D6000-memory.dmp

        memory/3772-86-0x000002A3CF090000-0x000002A3CF09A000-memory.dmp

        memory/5048-13-0x0000000140000000-0x0000000140228000-memory.dmp

        memory/5048-325-0x00000000033A0000-0x0000000003444000-memory.dmp

        memory/5048-333-0x0000000140000000-0x0000000140228000-memory.dmp

        memory/5048-0-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/5160-228-0x00000162FBD70000-0x00000162FBD82000-memory.dmp

        memory/5160-227-0x00000162FBD10000-0x00000162FBD1C000-memory.dmp

        memory/5524-50-0x000001F9E89A0000-0x000001F9E89AA000-memory.dmp

        memory/5524-217-0x000001F9CE6E0000-0x000001F9CE6EC000-memory.dmp

        memory/5524-218-0x000001F9E85B0000-0x000001F9E85C2000-memory.dmp

        memory/5524-103-0x000001F9E8C60000-0x000001F9E8C7A000-memory.dmp

        memory/5524-53-0x000001F9E8C20000-0x000001F9E8C3C000-memory.dmp

        memory/5524-42-0x000001F9E86D0000-0x000001F9E8783000-memory.dmp

        memory/5524-40-0x000001F9E86B0000-0x000001F9E86CC000-memory.dmp

        memory/5524-21-0x000001F9E8600000-0x000001F9E8622000-memory.dmp

        memory/5524-17-0x000001F9E85A0000-0x000001F9E85B0000-memory.dmp

        memory/5524-16-0x000001F9E85A0000-0x000001F9E85B0000-memory.dmp

        memory/5552-225-0x000001D35FFF0000-0x000001D35FFFC000-memory.dmp

        memory/5552-226-0x000001D3782A0000-0x000001D3782B2000-memory.dmp