Analysis

  • max time kernel
    158s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/01/2024, 19:33

General

  • Target
    aa004dee0751926cb4ba5a24246781b2.exe
  • Size 512KB
  • Sample240107-x9sl8sded2
  • SHA256 ceb3b395283674b93d8ee33cca56b78d1b5cd2bc018ec78be506b193a340ac94
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 5 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 6 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
  • AutoIT Executable 7 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 15 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 20 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aa004dee0751926cb4ba5a24246781b2.exe
    "C:\Users\Admin\AppData\Local\Temp\aa004dee0751926cb4ba5a24246781b2.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\SysWOW64\ipbdnenqrc.exe
      ipbdnenqrc.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:4296
      • C:\Windows\SysWOW64\jhdjdfka.exe
        C:\Windows\system32\jhdjdfka.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3428
    • C:\Windows\SysWOW64\azrtmptzcdsltma.exe
      azrtmptzcdsltma.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:1416
    • C:\Windows\SysWOW64\jhdjdfka.exe
      jhdjdfka.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3556
    • C:\Windows\SysWOW64\sxwnzcwcnawed.exe
      sxwnzcwcnawed.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:776
    • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
      "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Windows\mydoc.rtf" /o ""
      2⤵
      • Drops file in Windows directory
      • Checks processor information in registry
      • Enumerates system info in registry
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      PID:4288

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PROTTPLN.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 41ad2329e79ac18ae0c01992942797532db210c43135ae9f081938380a5f0daf
        • MD5 SHA1 SHA512 SSDEEP

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 007c5d5b0c975637155703612fade5ae1bfa91a576184fb587691bb0beab938e
        • MD5 SHA1 SHA512 SSDEEP

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 307ced21a31e0c0697c23aab1e76985f907c1984e7b23d5df02fbde17c2181d5
        • MD5 SHA1 SHA512

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 2fa54aaf0ddf020719f0798cc3dd412b2888733cfd2d3d13c46a1de20caea674
        • MD5 SHA1 SHA512

        azrtmptzcdsltma.exe

        • Path C:\Windows\SysWOW64\azrtmptzcdsltma.exe
        • Size 512KB
        • SHA256 2c945044eab43d30ba89bd76189b36ae9f8987c673bf61232ebb687cb2ac7cce
        • MD5 SHA1 SHA512 SSDEEP

        ipbdnenqrc.exe

        • Path C:\Windows\SysWOW64\ipbdnenqrc.exe
        • Size 512KB
        • SHA256 ed380116e481a79582fca2b7be0e6339a0689c8ca1a287f2741ed0f968ff9e85
        • MD5 SHA1 SHA512 SSDEEP

        jhdjdfka.exe

        • Path C:\Windows\SysWOW64\jhdjdfka.exe
        • Size 512KB
        • SHA256 820403498c7ae40a13d316769453c557f4d561d8c9ec9e702ed5cd796cb55c86
        • MD5 SHA1 SHA512 SSDEEP

        sxwnzcwcnawed.exe

        • Path C:\Windows\SysWOW64\sxwnzcwcnawed.exe
        • Size 512KB
        • SHA256 b66feb302a1cab8a5c09dd49b40f791e682a71697b56563e247fe825f6dd747c
        • MD5 SHA1 SHA512 SSDEEP

        mydoc.rtf

        • Path C:\Windows\mydoc.rtf
        • Size 223B
        • SHA256 85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2
        • MD5 SHA1 SHA512

        memory/2572-0-0x0000000000400000-0x0000000000496000-memory.dmp

        memory/4288-60-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-67-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-44-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-45-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-46-0x00007FFDE9240000-0x00007FFDE9250000-memory.dmp

        memory/4288-48-0x00007FFDE9240000-0x00007FFDE9250000-memory.dmp

        memory/4288-42-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-40-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-41-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-61-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-63-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-62-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-64-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-65-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-66-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-43-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-68-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-69-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-70-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-39-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-38-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-37-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-119-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-120-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-121-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp

        memory/4288-123-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-125-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-124-0x00007FFE2B970000-0x00007FFE2BB65000-memory.dmp

        memory/4288-122-0x00007FFDEB9F0000-0x00007FFDEBA00000-memory.dmp