Analysis

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

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    19/04/2026, 18:55

General

  • Target
    2026-04-19_77b889c31f42eb4b46cea88768bf4170_akira_cobalt-strike_icedid_njrat_satacom_vidar.exe
  • Size 4.2MB
  • Sample260419-xkyrysdy8s
  • SHA256 523bdf0706fff73d6fdb2bd8cced37103fb79cd42aebb54c5a333fc910f2ba06
  • 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 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:3104
    • C:\Users\Admin\AppData\Local\Temp\2026-04-19_77b889c31f42eb4b46cea88768bf4170_akira_cobalt-strike_icedid_njrat_satacom_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-19_77b889c31f42eb4b46cea88768bf4170_akira_cobalt-strike_icedid_njrat_satacom_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2824
      • 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:2132
        • 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:4924
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5684
          • 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:4892
  • 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:3920
    • 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:5328
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5372
      • 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:2832

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        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 c82f2726f8ce51fc0d84eb392397b748700470a79032acae4a60c63d1067edcb
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_wldtk3td.mmo.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wldtk3td.mmo.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 872KB
        • SHA256 02bf27dd0ad5419a94630fb39fbaeb95f65c2723829808c4647e252248b32d44
        • 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

        memory/2824-13-0x00007FF6D9DF0000-0x00007FF6DA22C000-memory.dmp

        memory/2824-329-0x00007FF6D9DF0000-0x00007FF6DA22C000-memory.dmp

        memory/2824-0-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/2824-313-0x0000000140000000-0x000000014019C000-memory.dmp

        memory/2832-338-0x000001E81A900000-0x000001E81A90C000-memory.dmp

        memory/2832-339-0x000001E81C170000-0x000001E81C182000-memory.dmp

        memory/3104-26-0x00000000009C0000-0x00000000009C1000-memory.dmp

        memory/3104-49-0x00000000009B0000-0x00000000009B1000-memory.dmp

        memory/4892-326-0x000001AAF71B0000-0x000001AAF71BC000-memory.dmp

        memory/4892-327-0x000001AAF8E10000-0x000001AAF8E22000-memory.dmp

        memory/4924-47-0x0000026DE6090000-0x0000026DE609A000-memory.dmp

        memory/4924-41-0x0000026DE5FD0000-0x0000026DE6083000-memory.dmp

        memory/4924-242-0x0000026DE60E0000-0x0000026DE60E6000-memory.dmp

        memory/4924-259-0x0000026DE60F0000-0x0000026DE60FA000-memory.dmp

        memory/4924-306-0x0000026DCDA00000-0x0000026DCDA12000-memory.dmp

        memory/4924-305-0x0000026DCBDE0000-0x0000026DCBDEC000-memory.dmp

        memory/4924-235-0x0000026DE60B0000-0x0000026DE60B8000-memory.dmp

        memory/4924-51-0x0000026DE60C0000-0x0000026DE60DC000-memory.dmp

        memory/4924-148-0x0000026DE6100000-0x0000026DE611A000-memory.dmp

        memory/4924-71-0x0000026DE60A0000-0x0000026DE60AA000-memory.dmp

        memory/4924-40-0x0000026DE5FB0000-0x0000026DE5FCC000-memory.dmp

        memory/4924-24-0x0000026DCDBF0000-0x0000026DCDC12000-memory.dmp

        memory/4924-16-0x0000026DE5D80000-0x0000026DE5D90000-memory.dmp

        memory/4924-17-0x0000026DE5D80000-0x0000026DE5D90000-memory.dmp

        memory/5328-333-0x0000023603B90000-0x0000023603B9C000-memory.dmp

        memory/5328-334-0x0000023604000000-0x0000023604012000-memory.dmp