Analysis

  • max time kernel
    150s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    17/04/2026, 10:32

General

  • Target
    2026-04-17_3c87f7e74d157c7a2d9ea4280c1b2a1f_hijackloader_icedid_njrat_vidar.exe
  • Size 1.4MB
  • Sample260417-mk8baaes4w
  • SHA256 84f4db4f754e25805fb47a971104d9279be0cdd1791698b6aaceaf02d19f22d8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Custom signature
    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:3124
    • C:\Users\Admin\AppData\Local\Temp\2026-04-17_3c87f7e74d157c7a2d9ea4280c1b2a1f_hijackloader_icedid_njrat_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-17_3c87f7e74d157c7a2d9ea4280c1b2a1f_hijackloader_icedid_njrat_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3264
      • 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:5952
        • 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:1876
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:2728
          • 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:2412
  • 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:2568
    • 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:2736
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5084
      • 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:3860

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        IntegratedOffice.exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe
        • Size 9.1MB
        • SHA256 9abb7157b3264af6e7ae0b2197c46c5f5ced165890127ee683ff96a33cce5f9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        RCX1D19.tmp

        • Path C:\Program Files\Microsoft Office 15\ClientX64\RCX1D19.tmp
        • Size 9.2MB
        • SHA256 4d8ed9d83d133fda0de6ab5c8fbcc3f8fe36b26fe783167ee02e1125c39332de
        • MD5 SHA1 SHA512 SSDEEP TLSH

        powershell.exe.log

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

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 958e0ab196b58b35303881a5a8efdc1e406b10a6043e9c44c42e60d1cffb0cbb
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_qsvdglv0.0r4.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qsvdglv0.0r4.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 ceceebdbd877d161f925e88d1983f280ddd0d9f053aedb0933a4ce9b0e87d56e
        • MD5 SHA1 SHA512 TLSH

        memory/1876-216-0x000001E19CBF0000-0x000001E19CC46000-memory.dmp

        memory/1876-124-0x000001E19CCA0000-0x000001E19CCAA000-memory.dmp

        memory/1876-41-0x000001E19C8E0000-0x000001E19C993000-memory.dmp

        memory/1876-51-0x000001E19CC70000-0x000001E19CC8C000-memory.dmp

        memory/1876-16-0x000001E19C600000-0x000001E19C610000-memory.dmp

        memory/1876-40-0x000001E19C8C0000-0x000001E19C8DC000-memory.dmp

        memory/1876-42-0x000001E19C6B0000-0x000001E19C6BA000-memory.dmp

        memory/1876-113-0x000001E19CC90000-0x000001E19CC96000-memory.dmp

        memory/1876-107-0x000001E19CC60000-0x000001E19CC68000-memory.dmp

        memory/1876-17-0x000001E19C600000-0x000001E19C610000-memory.dmp

        memory/1876-23-0x000001E19C610000-0x000001E19C632000-memory.dmp

        memory/1876-215-0x000001E1842E0000-0x000001E1842F2000-memory.dmp

        memory/2412-80-0x000001A3F0330000-0x000001A3F034A000-memory.dmp

        memory/2412-219-0x000001A3EFB00000-0x000001A3EFB12000-memory.dmp

        memory/2412-220-0x000001A3F0270000-0x000001A3F02C6000-memory.dmp

        memory/2412-79-0x000001A3F02D0000-0x000001A3F02DA000-memory.dmp

        memory/2736-227-0x0000019F60760000-0x0000019F607B6000-memory.dmp

        memory/2736-226-0x0000019F48050000-0x0000019F48062000-memory.dmp

        memory/3124-355-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-348-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-359-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-360-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-26-0x0000000002610000-0x0000000002611000-memory.dmp

        memory/3124-358-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-349-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-357-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-345-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-346-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-49-0x0000000000890000-0x0000000000891000-memory.dmp

        memory/3124-353-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-356-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-350-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-351-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-352-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-347-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3124-354-0x00000000008E0000-0x00000000008F0000-memory.dmp

        memory/3264-5-0x00007FF7C4EF0000-0x00007FF7C5055000-memory.dmp

        memory/3264-336-0x0000000140000000-0x0000000140041000-memory.dmp

        memory/3264-344-0x00007FF7C4EF0000-0x00007FF7C5055000-memory.dmp

        memory/3264-0-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/3860-231-0x0000024515AB0000-0x0000024515AC2000-memory.dmp

        memory/3860-232-0x000002452DDD0000-0x000002452DE26000-memory.dmp