Analysis

  • max time kernel
    9s
  • max time network
    11s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 03:48

Errors

Reason
Machine shutdown

General

  • Target

    xpiofrbtkzhr.exe

  • Size

    46KB

  • MD5

    25a11c9dd8d3eb6ecf8544e95d866a98

  • SHA1

    b462e8f5a05dba7328885af7646f9229d09656fb

  • SHA256

    6a298fd7189f63d29fb4c4cc342844a98c10945f8e0700363b0d078111568528

  • SHA512

    2483c4b7dad5bf273c955c70716dcb61a7f61ea1047de6f03ab867e549a3791a1c93291ef9d81e6308eecffb3a05f963b45f8b539ab31f84c5520844cb8a8992

  • SSDEEP

    768:1ySfi5TqmFi4tuXnKtgYr/TOsex9PEMBex6BHmRGBNc1uobW80vOA4N:dK5TbUayYLTOh9PEMEx+O150vOPN

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies Control Panel 1 IoCs
  • Modifies data under HKEY_USERS 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 62 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xpiofrbtkzhr.exe
    "C:\Users\Admin\AppData\Local\Temp\xpiofrbtkzhr.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:116
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2509819211 /t REG_SZ /d "C:\Users\Admin\2509819211\2509819211.exe" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4448
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /v 2509819211 /t REG_SZ /d "C:\Users\Admin\2509819211\2509819211.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v 2509819211_del /t REG_SZ /d "cmd /c del \"C:\Users\Admin\AppData\Local\Temp\xpiofrbtkzhr.exe\"" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1996
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce /v 2509819211_del /t REG_SZ /d "cmd /c del \"C:\Users\Admin\AppData\Local\Temp\xpiofrbtkzhr.exe\"" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2224
    • C:\Users\Admin\2509819211\2509819211.exe
      "C:\Users\Admin\2509819211\2509819211.exe" f
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2004
    • C:\Windows\SysWOW64\shutdown.exe
      "C:\Windows\System32\shutdown.exe" /r /f /t 4
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4812
  • C:\Windows\system32\LogonUI.exe
    "LogonUI.exe" /flags:0x4 /state0:0xa39a8055 /state1:0x41c64e6d
    1⤵
    • Modifies data under HKEY_USERS
    PID:4608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\2509819211\2509819211.exe

    Filesize

    72KB

    MD5

    8ce930987752f9790864543b6da34317

    SHA1

    7d89ae64e1dae59e8e85749b875aa712a4fc5e36

    SHA256

    5bce08b97565564ccdebec5b9c45ac680e0b3f01ddde2461f1dff4a9bbe50836

    SHA512

    456c1eb90d51145a785ee47c15d49b0bc9ce9a14f636bbac69e4df19fb2ab8b6e4f785657797042561e0d12e237fc223537220493d9a4ef3f1b29cda373fb65d

  • memory/116-0-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/116-2-0x0000000000580000-0x0000000000581000-memory.dmp

    Filesize

    4KB

  • memory/116-5295-0x0000000000400000-0x000000000041D000-memory.dmp

    Filesize

    116KB

  • memory/2004-19-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-286-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-24-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-231-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-23-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-22-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-21-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-20-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-13-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-17-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/2004-285-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-18-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/2004-284-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-268-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-255-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-236-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-15-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB

  • memory/2004-14-0x0000000000570000-0x0000000000586000-memory.dmp

    Filesize

    88KB

  • memory/2004-11-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-10-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB

  • memory/2004-12-0x0000000000A60000-0x0000000000A61000-memory.dmp

    Filesize

    4KB