Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    17/04/2026, 04:11

General

  • Target
    2026-04-17_dcd8787695a4b60f3f2a8489dfa5dd04_akira_hijackloader.exe
  • Size 2.2MB
  • Sample260417-esfbgae14j
  • SHA256 6ef4680b5717f550cfc138e50935bdd4036c5be9d572a741be77893c7139c424
  • 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 14 IoCs
  • Suspicious use of WriteProcessMemory 16 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:3280
    • C:\Users\Admin\AppData\Local\Temp\2026-04-17_dcd8787695a4b60f3f2a8489dfa5dd04_akira_hijackloader.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-17_dcd8787695a4b60f3f2a8489dfa5dd04_akira_hijackloader.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:5428
      • 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:5088
        • 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:3300
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:5904
          • 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:5160
  • 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:6000
    • 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:2992
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1520
      • 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:5552

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        OfficeClickToRun.exe

        • Path C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe
        • Size 9.1MB
        • SHA256 2dea9f748ddb05c7978e49d97f11245720786704ca2d68b89b7227142efae634
        • MD5 SHA1 SHA512 SSDEEP TLSH

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 5512157a9ea31f455e244922910fcdb2b8116288d968b0e5e26c91b266d4de7c
        • 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

        __PSScriptPolicyTest_sa5lri5v.iye.ps1

        • Path C:\Windows\Temp\__PSScriptPolicyTest_sa5lri5v.iye.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        powershell.exe.log

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
        • Size 4KB
        • SHA256 e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495
        • MD5 SHA1 SHA512 SSDEEP TLSH

        StartupProfileData-NonInteractive

        • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 0fd68598598d1dfa246506196e6e0b46ee2b3b26a91c229ff9bb290c7f63d7c1
        • MD5 SHA1 SHA512 TLSH

        memory/2992-174-0x00000153448C0000-0x00000153448CC000-memory.dmp

        memory/3280-28-0x0000000003220000-0x0000000003221000-memory.dmp

        memory/3280-314-0x000007BB5A130000-0x000007BB5A151000-memory.dmp

        memory/3280-17-0x0000000003480000-0x0000000003481000-memory.dmp

        memory/3280-18-0x000007BB5A130000-0x000007BB5A151000-memory.dmp

        memory/3300-65-0x0000028480060000-0x000002848006C000-memory.dmp

        memory/5160-126-0x00000191F06F0000-0x00000191F06FA000-memory.dmp

        memory/5160-25-0x00000191F0510000-0x00000191F0532000-memory.dmp

        memory/5160-165-0x00000191F0B60000-0x00000191F0B7A000-memory.dmp

        memory/5160-167-0x00000191F0700000-0x00000191F0708000-memory.dmp

        memory/5160-168-0x00000191F0B40000-0x00000191F0B46000-memory.dmp

        memory/5160-169-0x00000191F0B50000-0x00000191F0B5A000-memory.dmp

        memory/5160-67-0x00000191F06E0000-0x00000191F06EA000-memory.dmp

        memory/5160-53-0x00000191F06C0000-0x00000191F06DC000-memory.dmp

        memory/5160-177-0x00000191D7DD0000-0x00000191D7DDC000-memory.dmp

        memory/5160-55-0x00000191F0920000-0x00000191F09D5000-memory.dmp

        memory/5160-68-0x00000191F0B20000-0x00000191F0B3C000-memory.dmp

        memory/5428-1-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/5428-305-0x0000000140000000-0x00000001400AD000-memory.dmp

        memory/5428-313-0x00007FF7D5680000-0x00007FF7D58BF000-memory.dmp

        memory/5428-0-0x00007FF7D5680000-0x00007FF7D58BF000-memory.dmp

        memory/5552-181-0x000001C5887B0000-0x000001C5887BC000-memory.dmp