Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    15/04/2026, 04:23

General

  • Target
    2026-04-15_8a9c53447cd201725c79b249d29f19d6_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
  • Size 9.5MB
  • Sample260415-ez4yeahz3z
  • SHA256 5c7befb4a468a4a3c77d83465c8a6973d0ad9a0fe28b68b7ff8f6f0a5032101c
  • 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 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 WriteProcessMemory
    PID:3116
    • C:\Users\Admin\AppData\Local\Temp\2026-04-15_8a9c53447cd201725c79b249d29f19d6_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-15_8a9c53447cd201725c79b249d29f19d6_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:1792
      • 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:3524
        • 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:3260
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3736
          • 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:784
  • 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:1704
    • 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:4540
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3820
      • 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:2400

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_4ugdvybm.wri.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4ugdvybm.wri.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/784-206-0x00000185ECD50000-0x00000185ECD5C000-memory.dmp

        memory/784-205-0x00000185EB380000-0x00000185EB3B1000-memory.dmp

        memory/784-131-0x00000185ED450000-0x00000185ED45A000-memory.dmp

        memory/784-210-0x00000185ED0A0000-0x00000185ED0B2000-memory.dmp

        memory/1704-53-0x000001C578170000-0x000001C5781A1000-memory.dmp

        memory/1792-319-0x00000197FC8D0000-0x00000197FC901000-memory.dmp

        memory/1792-15-0x00007FF6712D0000-0x00007FF671C4F000-memory.dmp

        memory/1792-0-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/1792-318-0x00007FF6712D0000-0x00007FF671C4F000-memory.dmp

        memory/1792-309-0x0000000140000000-0x0000000140451000-memory.dmp

        memory/2400-245-0x000002131A090000-0x000002131A09C000-memory.dmp

        memory/2400-246-0x000002131BD80000-0x000002131BD92000-memory.dmp

        memory/2400-244-0x0000021319F90000-0x0000021319FC1000-memory.dmp

        memory/3116-34-0x0000000002C50000-0x0000000002C51000-memory.dmp

        memory/3116-26-0x0000000002C60000-0x0000000002C61000-memory.dmp

        memory/3260-42-0x000002354FBD0000-0x000002354FBEC000-memory.dmp

        memory/3260-167-0x000002354FF60000-0x000002354FF7A000-memory.dmp

        memory/3260-215-0x0000023537200000-0x000002353720C000-memory.dmp

        memory/3260-214-0x0000023535900000-0x0000023535931000-memory.dmp

        memory/3260-182-0x000002354FF50000-0x000002354FF5A000-memory.dmp

        memory/3260-181-0x000002354FF40000-0x000002354FF46000-memory.dmp

        memory/3260-174-0x000002354FF10000-0x000002354FF18000-memory.dmp

        memory/3260-17-0x000002354F8A0000-0x000002354F8B0000-memory.dmp

        memory/3260-55-0x000002354FF20000-0x000002354FF3C000-memory.dmp

        memory/3260-216-0x0000023537710000-0x0000023537722000-memory.dmp

        memory/3260-50-0x000002354FBC0000-0x000002354FBCA000-memory.dmp

        memory/3260-43-0x000002354FBF0000-0x000002354FCA3000-memory.dmp

        memory/3260-24-0x000002354F7E0000-0x000002354F802000-memory.dmp

        memory/3524-18-0x0000022590B70000-0x0000022590BA1000-memory.dmp

        memory/3736-320-0x000002305D400000-0x000002305D431000-memory.dmp

        memory/3820-54-0x000001E88F8C0000-0x000001E88F8F1000-memory.dmp

        memory/4540-251-0x0000024FEF600000-0x0000024FEF60C000-memory.dmp

        memory/4540-252-0x0000024FEFB80000-0x0000024FEFB92000-memory.dmp

        memory/4540-250-0x0000024FEDCF0000-0x0000024FEDD21000-memory.dmp