Analysis

  • max time kernel
    149s
  • max time network
    96s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 18:45

General

  • Target
    2026-04-20_61dd206602f642b30beb62668e8b8385_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
  • Size 4.0MB
  • Sample260420-xeef5aev3y
  • SHA256 a344a3fb5b2a9500e41218af8f9ac18a6b8b674a1006810654db1f8db66f974f
  • 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 58 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 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:3128
    • C:\Users\Admin\AppData\Local\Temp\2026-04-20_61dd206602f642b30beb62668e8b8385_cobalt-strike_hijackloader_icedid_njrat_satacom_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-20_61dd206602f642b30beb62668e8b8385_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:3404
      • 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:2808
        • 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:2376
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4396
          • 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:3960
  • 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:4116
    • 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:3084
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4764
      • 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:1692

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 ceceebdbd877d161f925e88d1983f280ddd0d9f053aedb0933a4ce9b0e87d56e
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_2jtunfm5.kmm.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2jtunfm5.kmm.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 93fd3c992521cef182e6847f4f6658c58cfd5bdde16d4732d1c055b3c9e34398
        • MD5 SHA1 SHA512 TLSH

        memory/1692-286-0x000001EBDC9D0000-0x000001EBDC9E2000-memory.dmp

        memory/1692-284-0x000001EBDC570000-0x000001EBDC57C000-memory.dmp

        memory/1692-285-0x000001EBF4D50000-0x000001EBF54FE000-memory.dmp

        memory/2376-260-0x000002637BCF0000-0x000002637BCF6000-memory.dmp

        memory/2376-267-0x000002637B460000-0x000002637BC0E000-memory.dmp

        memory/2376-57-0x000002637B420000-0x000002637B42A000-memory.dmp

        memory/2376-193-0x000002637B430000-0x000002637B43A000-memory.dmp

        memory/2376-222-0x000002637BD10000-0x000002637BD2A000-memory.dmp

        memory/2376-25-0x0000026362DF0000-0x0000026362E12000-memory.dmp

        memory/2376-259-0x000002637B440000-0x000002637B448000-memory.dmp

        memory/2376-42-0x000002637B400000-0x000002637B41C000-memory.dmp

        memory/2376-261-0x000002637BD00000-0x000002637BD0A000-memory.dmp

        memory/2376-266-0x00000263614C0000-0x00000263614CC000-memory.dmp

        memory/2376-43-0x000002637BC10000-0x000002637BCC3000-memory.dmp

        memory/2376-270-0x0000026362D90000-0x0000026362DA2000-memory.dmp

        memory/2376-64-0x000002637BCD0000-0x000002637BCEC000-memory.dmp

        memory/3084-278-0x0000027A0A660000-0x0000027A0A66C000-memory.dmp

        memory/3084-279-0x0000027A22910000-0x0000027A230BE000-memory.dmp

        memory/3084-280-0x0000027A0A820000-0x0000027A0A832000-memory.dmp

        memory/3128-32-0x0000000003400000-0x0000000003401000-memory.dmp

        memory/3128-17-0x0000000003410000-0x0000000003411000-memory.dmp

        memory/3404-274-0x00007FF796D90000-0x00007FF7971A1000-memory.dmp

        memory/3404-273-0x000002E379DD0000-0x000002E37A57E000-memory.dmp

        memory/3404-2-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/3404-250-0x0000000140000000-0x00000001401A1000-memory.dmp

        memory/3404-14-0x00007FF796D90000-0x00007FF7971A1000-memory.dmp

        memory/3960-269-0x00000261ED5E0000-0x00000261EDD8E000-memory.dmp

        memory/3960-271-0x00000261ECF60000-0x00000261ECF72000-memory.dmp

        memory/3960-268-0x00000261ECF00000-0x00000261ECF0C000-memory.dmp