Analysis

  • max time kernel
    150s
  • max time network
    95s
  • 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, 15:32

General

  • Target
    2026-04-19_78f1749c922519011c2bdfad5c422480_cobalt-strike_hijackloader_icedid_njrat_satacom_stealc_vidar.exe
  • Size 7.7MB
  • Sample260419-sysqmsdz3r
  • SHA256 65c80d109348ae3f9a31c23ca453548d15b04a0177a8e333168c7b2326bef0cb
  • 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 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:3140
    • C:\Users\Admin\AppData\Local\Temp\2026-04-19_78f1749c922519011c2bdfad5c422480_cobalt-strike_hijackloader_icedid_njrat_satacom_stealc_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-19_78f1749c922519011c2bdfad5c422480_cobalt-strike_hijackloader_icedid_njrat_satacom_stealc_vidar.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1112
      • 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:5108
        • 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:5116
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4728
          • 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:2068
  • 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:1732
    • 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:4564
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:5864
      • 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:2328

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_52s53irx.e4m.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_52s53irx.e4m.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 87b0c970e8d5fce5c168b70336a5d974a198c14dcc0c7fd1f49d6bcc503e63cf
        • MD5 SHA1 SHA512 TLSH

        memory/1112-299-0x00007FF73C6B0000-0x00007FF73CE73000-memory.dmp

        memory/1112-0-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/1112-270-0x0000000140000000-0x0000000140398000-memory.dmp

        memory/1112-13-0x00007FF73C6B0000-0x00007FF73CE73000-memory.dmp

        memory/2068-284-0x000002752BEE0000-0x000002752BEEC000-memory.dmp

        memory/2068-285-0x0000027545C90000-0x0000027545CA2000-memory.dmp

        memory/2068-286-0x0000027546430000-0x0000027546486000-memory.dmp

        memory/2328-296-0x0000026D2E390000-0x0000026D2E39C000-memory.dmp

        memory/2328-298-0x0000026D46D50000-0x0000026D46DA6000-memory.dmp

        memory/2328-297-0x0000026D2E560000-0x0000026D2E572000-memory.dmp

        memory/3140-34-0x00000000025D0000-0x00000000025D1000-memory.dmp

        memory/3140-26-0x00000000026E0000-0x00000000026E1000-memory.dmp

        memory/4564-292-0x0000028CF0390000-0x0000028CF03E6000-memory.dmp

        memory/4564-290-0x0000028CD7620000-0x0000028CD762C000-memory.dmp

        memory/4564-291-0x0000028CD77D0000-0x0000028CD77E2000-memory.dmp

        memory/5116-66-0x000001B1E4A00000-0x000001B1E4A1C000-memory.dmp

        memory/5116-276-0x000001B1E4A30000-0x000001B1E4A3A000-memory.dmp

        memory/5116-244-0x000001B1E4A40000-0x000001B1E4A5A000-memory.dmp

        memory/5116-214-0x000001B1E49E0000-0x000001B1E49EA000-memory.dmp

        memory/5116-268-0x000001B1E49F0000-0x000001B1E49F8000-memory.dmp

        memory/5116-280-0x000001B1E4330000-0x000001B1E4342000-memory.dmp

        memory/5116-281-0x000001B1E4520000-0x000001B1E4576000-memory.dmp

        memory/5116-279-0x000001B1CBC20000-0x000001B1CBC2C000-memory.dmp

        memory/5116-59-0x000001B1E4510000-0x000001B1E451A000-memory.dmp

        memory/5116-45-0x000001B1E4450000-0x000001B1E4503000-memory.dmp

        memory/5116-44-0x000001B1E4430000-0x000001B1E444C000-memory.dmp

        memory/5116-275-0x000001B1E4A20000-0x000001B1E4A26000-memory.dmp

        memory/5116-24-0x000001B1E4360000-0x000001B1E4382000-memory.dmp

        memory/5116-16-0x000001B1CC060000-0x000001B1CC070000-memory.dmp

        memory/5116-17-0x000001B1CC060000-0x000001B1CC070000-memory.dmp