Analysis

  • max time kernel
    428s
  • max time network
    430s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-01-2025 04:50

General

  • Target

    NiggaKernel.exe

  • Size

    3.1MB

  • MD5

    0aa6ce8e774d2094a0bbc155159693be

  • SHA1

    b96b9b432b7eaee655711ca9067273275e3b86e3

  • SHA256

    0bf4aee4c471383b5acc4eb2d99123132e0cf9f36476a1edc870f8ee8eb7610a

  • SHA512

    70e1bd72be9ccce3e15245480060fc569e03cbd22b5e5282342cde401f79639c0ce9865dc2fdf032676037b7dba9ff5fbb9af5e1475bfdc81cf9a91d33b81297

  • SSDEEP

    49152:Ov+I22SsaNYfdPBldt698dBcjHfsxNESETk/iYLoGdW3THHB72eh2NT:Ovz22SsaNYfdPBldt6+dBcjHUxe2m

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

NiggaVictim

C2

TheSillyValor-36700.portmap.host:36700

Mutex

6c3995b9-837d-4aad-89fd-b25da7ae4c30

Attributes
  • encryption_key

    029FCE648CA3D58DA3A16C9A8EBE57C1E2BA129C

  • install_name

    niggakernel.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    niggakernel

  • subdirectory

    niggakernel

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 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\NiggaKernel.exe
    "C:\Users\Admin\AppData\Local\Temp\NiggaKernel.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Windows\SYSTEM32\schtasks.exe
      "schtasks" /create /tn "niggakernel" /sc ONLOGON /tr "C:\Windows\system32\niggakernel\niggakernel.exe" /rl HIGHEST /f
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:1604
    • C:\Windows\system32\niggakernel\niggakernel.exe
      "C:\Windows\system32\niggakernel\niggakernel.exe"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3280
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /create /tn "niggakernel" /sc ONLOGON /tr "C:\Windows\system32\niggakernel\niggakernel.exe" /rl HIGHEST /f
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:2040
      • C:\Windows\SYSTEM32\schtasks.exe
        "schtasks" /delete /tn "niggakernel" /f
        3⤵
          PID:2968
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3rWPBNf4tNyA.bat" "
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4508
          • C:\Windows\system32\chcp.com
            chcp 65001
            4⤵
              PID:72
            • C:\Windows\system32\PING.EXE
              ping -n 10 localhost
              4⤵
              • System Network Configuration Discovery: Internet Connection Discovery
              • Runs ping.exe
              PID:3968

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\niggakernel.exe.log

        Filesize

        1KB

        MD5

        b4e91d2e5f40d5e2586a86cf3bb4df24

        SHA1

        31920b3a41aa4400d4a0230a7622848789b38672

        SHA256

        5d8af3c7519874ed42a0d74ee559ae30d9cc6930aef213079347e2b47092c210

        SHA512

        968751b79a98961f145de48d425ea820fd1875bae79a725adf35fc8f4706c103ee0c7babd4838166d8a0dda9fbce3728c0265a04c4b37f335ec4eaa110a2b319

      • C:\Users\Admin\AppData\Local\Temp\3rWPBNf4tNyA.bat

        Filesize

        210B

        MD5

        6de1bfe07c145ced9eb7318c53384018

        SHA1

        830619f59846f81cf0ea17e9cae51a364cf3c00b

        SHA256

        9ae38ee834ec879bb161a9d66684e99c8b2b96b27385e9cca92622f94c757361

        SHA512

        c3a8f7aed1cb8a166a073ed3a9724ba1c7a96381f65314e34c76cf0ffb0577a01d394c40152de5e1d6d5ee8fc882e10c79938babac15d575b8d830fa78c6e43e

      • C:\Windows\System32\niggakernel\niggakernel.exe

        Filesize

        3.1MB

        MD5

        0aa6ce8e774d2094a0bbc155159693be

        SHA1

        b96b9b432b7eaee655711ca9067273275e3b86e3

        SHA256

        0bf4aee4c471383b5acc4eb2d99123132e0cf9f36476a1edc870f8ee8eb7610a

        SHA512

        70e1bd72be9ccce3e15245480060fc569e03cbd22b5e5282342cde401f79639c0ce9865dc2fdf032676037b7dba9ff5fbb9af5e1475bfdc81cf9a91d33b81297

      • memory/1688-1-0x0000000000600000-0x0000000000924000-memory.dmp

        Filesize

        3.1MB

      • memory/1688-2-0x00007FFA8C7B0000-0x00007FFA8D272000-memory.dmp

        Filesize

        10.8MB

      • memory/1688-10-0x00007FFA8C7B0000-0x00007FFA8D272000-memory.dmp

        Filesize

        10.8MB

      • memory/1688-0-0x00007FFA8C7B3000-0x00007FFA8C7B5000-memory.dmp

        Filesize

        8KB

      • memory/3280-11-0x00007FFA8C7B0000-0x00007FFA8D272000-memory.dmp

        Filesize

        10.8MB

      • memory/3280-13-0x000000001C5D0000-0x000000001C620000-memory.dmp

        Filesize

        320KB

      • memory/3280-14-0x000000001C6E0000-0x000000001C792000-memory.dmp

        Filesize

        712KB

      • memory/3280-15-0x00007FFA8C7B0000-0x00007FFA8D272000-memory.dmp

        Filesize

        10.8MB

      • memory/3280-18-0x000000001C670000-0x000000001C682000-memory.dmp

        Filesize

        72KB

      • memory/3280-19-0x000000001D2F0000-0x000000001D32C000-memory.dmp

        Filesize

        240KB

      • memory/3280-24-0x00007FFA8C7B0000-0x00007FFA8D272000-memory.dmp

        Filesize

        10.8MB

      • memory/3280-12-0x00007FFA8C7B0000-0x00007FFA8D272000-memory.dmp

        Filesize

        10.8MB