Analysis

  • max time kernel
    163s
  • max time network
    178s
  • 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
    ad174d4b9f5ec50304261d7f146c0334.exe
  • Size 512KB
  • Sample240107-x9qsmscfcj
  • SHA256 b33aca8831834736fa62cad0770aba0a7fa22e49c2a7b2317af99855708f55d0
  • 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 8 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\ad174d4b9f5ec50304261d7f146c0334.exe
    "C:\Users\Admin\AppData\Local\Temp\ad174d4b9f5ec50304261d7f146c0334.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:1408
    • 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:2128
      • 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:3900
    • 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:4828
    • 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:1708
    • C:\Windows\SysWOW64\sxwnzcwcnawed.exe
      sxwnzcwcnawed.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:5092
    • 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:4824

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        PROTTPLN.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLN.DOC.exe
        • Size 512KB
        • SHA256 7d4fa79294f5add52a915596b4a5db97623f15bb0f8fec57d711f657c74762a3
        • MD5 SHA1 SHA512 SSDEEP

        PROTTPLV.DOC.exe

        • Path C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.DOC.exe
        • Size 512KB
        • SHA256 ec17ff3eb4089b4729c33fd26fe73bbf02c257ab9381df5a6423727a30f7af73
        • MD5 SHA1 SHA512 SSDEEP

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 52d9743d700d09ab083c97a6dce944f5e14f9736b70157f42c12bd25c788be8d
        • MD5 SHA1 SHA512

        fb3b0dbfee58fac8.customDestinations-ms

        • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms
        • Size 3KB
        • SHA256 1b5f8904742edd6a227531b5a8fa84a6eb35ec51f60adb36097ad2a293ac15f9
        • MD5 SHA1 SHA512

        SaveAdd.doc.exe

        • Path C:\Users\Admin\Downloads\SaveAdd.doc.exe
        • Size 512KB
        • SHA256 74fd2a68984dd00ee92caf6d8075266a3ab470b338f3dea40919ebc3358a7321
        • MD5 SHA1 SHA512 SSDEEP

        azrtmptzcdsltma.exe

        • Path C:\Windows\SysWOW64\azrtmptzcdsltma.exe
        • Size 512KB
        • SHA256 13fc666c3f23488b5903ffd2f2bc5aacf5c507c98f11df4803fd4121c739e007
        • MD5 SHA1 SHA512 SSDEEP

        ipbdnenqrc.exe

        • Path C:\Windows\SysWOW64\ipbdnenqrc.exe
        • Size 512KB
        • SHA256 066be355a5976ba2acb21c21c6a4c11267a83a7152215ad4e691d806669eb25c
        • MD5 SHA1 SHA512 SSDEEP

        jhdjdfka.exe

        • Path C:\Windows\SysWOW64\jhdjdfka.exe
        • Size 512KB
        • SHA256 de4bff6e999749f07b59fbc5e154ec230aa1710b8abc56642e6b059f5c80a150
        • MD5 SHA1 SHA512 SSDEEP

        sxwnzcwcnawed.exe

        • Path C:\Windows\SysWOW64\sxwnzcwcnawed.exe
        • Size 512KB
        • SHA256 8706c37c218390557c33fc7c7c18971047bdbae3d2ecd4a4ee370d51cd6689e0
        • MD5 SHA1 SHA512 SSDEEP

        mydoc.rtf

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

        memory/1408-0-0x0000000000400000-0x0000000000496000-memory.dmp

        memory/4824-38-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-39-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-45-0x00007FFE50F70000-0x00007FFE50F80000-memory.dmp

        memory/4824-43-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-42-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-52-0x00007FFE50F70000-0x00007FFE50F80000-memory.dmp

        memory/4824-59-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-40-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-41-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-44-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-108-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-109-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-110-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-113-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-111-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-112-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp

        memory/4824-114-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-115-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-116-0x00007FFE93150000-0x00007FFE93345000-memory.dmp

        memory/4824-37-0x00007FFE531D0000-0x00007FFE531E0000-memory.dmp