Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-08-2024 06:31

General

  • Target

    914c9655900b5fe48a51e6814c32a72dad0eb315b9422d22412c0349d918009e.exe

  • Size

    9.8MB

  • MD5

    764647736f890ef13f918079dc9d72cf

  • SHA1

    1709f276759093323650d98d724124f9906adb05

  • SHA256

    914c9655900b5fe48a51e6814c32a72dad0eb315b9422d22412c0349d918009e

  • SHA512

    f766939786f1ee13a7e8fd04eaec0c4371f1ca100610c3bf224578cb25070aed7b93cd187bf6e4c89113de996bd97ee054714fa7f43bb2ff3cc281fb20293f97

  • SSDEEP

    196608:t9++KYyCBPgEdqiz0UKq3GaXcaK4PotqSOpsgymzgqae6WMr:kY9PgOlzLKq2GcP44ON2e6n

Malware Config

Signatures

  • Shurk

    Shurk is an infostealer, written in C++ which appeared in 2021.

  • Disables RegEdit via registry modification 2 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Control Panel 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 31 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\914c9655900b5fe48a51e6814c32a72dad0eb315b9422d22412c0349d918009e.exe
    "C:\Users\Admin\AppData\Local\Temp\914c9655900b5fe48a51e6814c32a72dad0eb315b9422d22412c0349d918009e.exe"
    1⤵
    • Disables RegEdit via registry modification
    • Event Triggered Execution: Image File Execution Options Injection
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3788
    • C:\Windows\SysWOW64\reg.exe
      reg add "HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System" /v DisableRegistryTools /t REG_DWORD /d 1 /f
      2⤵
      • Disables RegEdit via registry modification
      • System Location Discovery: System Language Discovery
      PID:3592
    • C:\Windows\SysWOW64\regini.exe
      regini www.ini
      2⤵
        PID:4392
      • C:\Windows\SysWOW64\regini.exe
        regini www.ini
        2⤵
          PID:2488
      • C:\Windows\system32\AUDIODG.EXE
        C:\Windows\system32\AUDIODG.EXE 0x150 0x2fc
        1⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:5072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\ExtraDll.dll

        Filesize

        97KB

        MD5

        c35425ad1f0c32225d307310deccc335

        SHA1

        b2e347b244e40ffa113dffaffd1895777e3ac30a

        SHA256

        48773d597155dc39dd172c26867972da89dd61fcee0d138433eda26a2d8633b7

        SHA512

        47b6a7447fcc4f9f21018f608fcbdb5650f16cbd869cae5d4ed5d9b88ca1e944de1cac10e9a252aa7b210f1a31456c0ed91728b8a7e24def99d7e3f9683e2bae

      • memory/3788-4-0x0000000001010000-0x0000000001011000-memory.dmp

        Filesize

        4KB

      • memory/3788-9-0x0000000000400000-0x0000000000E05000-memory.dmp

        Filesize

        10.0MB

      • memory/3788-3-0x0000000001000000-0x0000000001001000-memory.dmp

        Filesize

        4KB

      • memory/3788-8-0x0000000001450000-0x0000000001451000-memory.dmp

        Filesize

        4KB

      • memory/3788-2-0x0000000000EB0000-0x0000000000EB1000-memory.dmp

        Filesize

        4KB

      • memory/3788-6-0x0000000001030000-0x0000000001031000-memory.dmp

        Filesize

        4KB

      • memory/3788-5-0x0000000001020000-0x0000000001021000-memory.dmp

        Filesize

        4KB

      • memory/3788-16-0x0000000074AC0000-0x0000000074AFC000-memory.dmp

        Filesize

        240KB

      • memory/3788-7-0x0000000001440000-0x0000000001441000-memory.dmp

        Filesize

        4KB

      • memory/3788-1-0x0000000000E90000-0x0000000000E91000-memory.dmp

        Filesize

        4KB

      • memory/3788-0-0x00000000006E7000-0x0000000000BBC000-memory.dmp

        Filesize

        4.8MB

      • memory/3788-18-0x00000000006E7000-0x0000000000BBC000-memory.dmp

        Filesize

        4.8MB

      • memory/3788-20-0x0000000000400000-0x0000000000E05000-memory.dmp

        Filesize

        10.0MB

      • memory/3788-19-0x0000000074AC0000-0x0000000074AFC000-memory.dmp

        Filesize

        240KB

      • memory/3788-31-0x0000000074AC0000-0x0000000074AFC000-memory.dmp

        Filesize

        240KB

      • memory/3788-34-0x0000000074AC0000-0x0000000074AFC000-memory.dmp

        Filesize

        240KB

      • memory/3788-44-0x0000000074AC0000-0x0000000074AFC000-memory.dmp

        Filesize

        240KB