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
    15/04/2026, 12:14

General

  • Target
    2026-04-15_d86e22d416099164d639c92e1de524e5_akira_hijackloader.exe
  • Size 2.2MB
  • Sample260415-pefp7af141
  • SHA256 f561bec0d1cd0ad9edc7f8b1e65a52633108436101b5aeef027b813fc263da56
  • 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:3124
    • C:\Users\Admin\AppData\Local\Temp\2026-04-15_d86e22d416099164d639c92e1de524e5_akira_hijackloader.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-15_d86e22d416099164d639c92e1de524e5_akira_hijackloader.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2436
      • 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:800
        • 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:5720
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3436
          • 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:1076
  • 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:2312
    • 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:984
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5836
      • 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:5544

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        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 87b0c970e8d5fce5c168b70336a5d974a198c14dcc0c7fd1f49d6bcc503e63cf
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_lgfwewxx.4am.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lgfwewxx.4am.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 855B
        • SHA256 f0df11fc7a50d6a76af839587dd308bdbb96fe1e83a8d89b2544bd254a4ddaf6
        • MD5 SHA1 SHA512 TLSH

        memory/984-289-0x000002A82CF60000-0x000002A82CF6C000-memory.dmp

        memory/984-290-0x000002A82E830000-0x000002A82E842000-memory.dmp

        memory/1076-258-0x00000116F7200000-0x00000116F720C000-memory.dmp

        memory/1076-259-0x00000116F7800000-0x00000116F7812000-memory.dmp

        memory/2436-1-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/2436-285-0x00007FF6D7BC0000-0x00007FF6D7DFF000-memory.dmp

        memory/2436-278-0x0000000140000000-0x00000001400AD000-memory.dmp

        memory/2436-9-0x00007FF6D7BC0000-0x00007FF6D7DFF000-memory.dmp

        memory/3124-43-0x0000000002850000-0x0000000002851000-memory.dmp

        memory/3124-26-0x0000000002880000-0x0000000002881000-memory.dmp

        memory/5544-294-0x000001F1E71E0000-0x000001F1E71EC000-memory.dmp

        memory/5544-295-0x000001F1FF530000-0x000001F1FF542000-memory.dmp

        memory/5720-41-0x0000013761D70000-0x0000013761E23000-memory.dmp

        memory/5720-42-0x0000013761AC0000-0x0000013761ACA000-memory.dmp

        memory/5720-217-0x00000137496F0000-0x0000013749702000-memory.dmp

        memory/5720-104-0x0000013761B20000-0x0000013761B2A000-memory.dmp

        memory/5720-96-0x0000013761B10000-0x0000013761B16000-memory.dmp

        memory/5720-87-0x0000013761AE0000-0x0000013761AE8000-memory.dmp

        memory/5720-40-0x0000013761AA0000-0x0000013761ABC000-memory.dmp

        memory/5720-216-0x0000013749280000-0x000001374928C000-memory.dmp

        memory/5720-19-0x00000137618D0000-0x00000137618F2000-memory.dmp

        memory/5720-17-0x0000013761990000-0x00000137619A0000-memory.dmp

        memory/5720-16-0x0000013761990000-0x00000137619A0000-memory.dmp

        memory/5720-73-0x0000013761B30000-0x0000013761B4A000-memory.dmp

        memory/5720-54-0x0000013761AD0000-0x0000013761ADA000-memory.dmp

        memory/5720-50-0x0000013761AF0000-0x0000013761B0C000-memory.dmp