Analysis

  • max time kernel
    150s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/04/2026, 12:44

General

  • Target
    2026-04-19_31490957997af88b9650f876ccd4fb5a_cobalt-strike_hijackloader_icedid_njrat_satacom_stealc_vidar.exe
  • Size 7.8MB
  • Sample260419-pyyecaay3m
  • SHA256 44ec3ebdeb1377d61c443849df4f75cb4d092b431489fbf1db42b7216c7f2210
  • 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 64 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 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:3276
    • C:\Users\Admin\AppData\Local\Temp\2026-04-19_31490957997af88b9650f876ccd4fb5a_cobalt-strike_hijackloader_icedid_njrat_satacom_stealc_vidar.exe
      "C:\Users\Admin\AppData\Local\Temp\2026-04-19_31490957997af88b9650f876ccd4fb5a_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:3772
      • 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:4392
        • 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:3148
        • C:\Users\Admin\Videos\Symbiote.exe
          "C:\Users\Admin\Videos\Symbiote.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1656
          • 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:2108
  • 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:2684
    • 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:3888
    • C:\Users\Admin\Videos\Symbiote.exe
      "C:\Users\Admin\Videos\Symbiote.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2476
      • 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:1428

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 2KB
        • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 944B
        • SHA256 7305bcde3ba246a9b5c1666079c61596cc2ed2c651a1cd9e20557dba8a78c0e4
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_1b32y535.hmd.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1b32y535.hmd.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

        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 0217e1913a09eec1f81cc2d462a00d5fbc8283b186c6d6c94d6f085540d3d9af
        • MD5 SHA1 SHA512 TLSH

        memory/1428-238-0x000001DAA8750000-0x000001DAA875C000-memory.dmp

        memory/2108-103-0x000002341C860000-0x000002341C87A000-memory.dmp

        memory/2108-106-0x000002341C810000-0x000002341C818000-memory.dmp

        memory/2108-51-0x000002341C5F0000-0x000002341C6A5000-memory.dmp

        memory/2108-49-0x000002341C5D0000-0x000002341C5EC000-memory.dmp

        memory/2108-68-0x000002341C6B0000-0x000002341C6BA000-memory.dmp

        memory/2108-229-0x0000023403E10000-0x0000023403E1C000-memory.dmp

        memory/2108-70-0x000002341C820000-0x000002341C83C000-memory.dmp

        memory/2108-90-0x000002341C800000-0x000002341C80A000-memory.dmp

        memory/2108-113-0x000002341C850000-0x000002341C85A000-memory.dmp

        memory/2108-110-0x000002341C840000-0x000002341C846000-memory.dmp

        memory/3148-17-0x0000015C73C20000-0x0000015C73C30000-memory.dmp

        memory/3148-25-0x0000015C73BB0000-0x0000015C73BD2000-memory.dmp

        memory/3148-38-0x0000015C73780000-0x0000015C7378C000-memory.dmp

        memory/3148-16-0x0000015C73C20000-0x0000015C73C30000-memory.dmp

        memory/3276-27-0x0000000007590000-0x0000000007591000-memory.dmp

        memory/3276-39-0x0000000007580000-0x0000000007581000-memory.dmp

        memory/3772-0-0x0000000180000000-0x00000001800DD000-memory.dmp

        memory/3772-9-0x00007FF6B8250000-0x00007FF6B8A1D000-memory.dmp

        memory/3772-313-0x0000000140000000-0x0000000140398000-memory.dmp

        memory/3772-319-0x00007FF6B8250000-0x00007FF6B8A1D000-memory.dmp

        memory/3888-100-0x000001CA53460000-0x000001CA5346C000-memory.dmp