Analysis

  • max time kernel
    119s
  • max time network
    108s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-09-2024 20:40

General

  • Target

    81a80bdad865f0d14f4518ba16c960e0N.exe

  • Size

    2.4MB

  • MD5

    81a80bdad865f0d14f4518ba16c960e0

  • SHA1

    f419475f3c2a08fef08d3786f6fc1611423fef36

  • SHA256

    403508b6618d76ae1a47b9d79c3b2c617de632ee0fbd301f6e86314a7185f6c2

  • SHA512

    7420e149c5a29adfd819a6f8500bd96488034817b580e80cdb3aba42c3349e54350392ab609d966b6db7f932ef90560ad7936121f600afcb3376404524d91534

  • SSDEEP

    49152:2Ko2gzhGqxIaWeSkKkAQOQ1y7GklXRYxxTttMs+xyPFRwGJnunLp9u0XsA5cl+6H:f+zhGqx3WeSkKkAQOQ1y7PlXRYxxTttd

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • UPX packed file 22 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

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

  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81a80bdad865f0d14f4518ba16c960e0N.exe
    "C:\Users\Admin\AppData\Local\Temp\81a80bdad865f0d14f4518ba16c960e0N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\eHdsQ.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4064
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java(TM) Platform SE Auto Updator 2.1" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4180
    • C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
      "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2852
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1980
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2320
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4360
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Java\uninstall.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4116
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4316
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1620
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Falaheye.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Falaheye.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3696
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Falaheye.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Falaheye.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:3016
      • C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        C:\Users\Admin\AppData\Roaming\Java\uninstall.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\eHdsQ.txt

    Filesize

    173B

    MD5

    0f9512ff58185a551abc4fa80ffde3b5

    SHA1

    eb2df1adbb3504236d2857d8a9c297121c97a95d

    SHA256

    79747cbd0b884c6870d0ab8b90e4b64af598f1c1c97b2eb31c1fc1a1d6128189

    SHA512

    1f7216ce7cd2e1ae6e30c7d6d0f84b3a7a637c6cfe9568a10ffa802b99a832b3e4f45c7bd02cbbe70665e79ea917e7e9ac9a38ceaf469836fb207a47ef52ff3e

  • C:\Users\Admin\AppData\Roaming\Java\uninstall.txt

    Filesize

    2.4MB

    MD5

    586dd6810aa4a3bde1dad173176eed97

    SHA1

    83747a33261ca32b2f78624988fa65152a79ef0c

    SHA256

    52979d71e6810bde2f34b542c0c9fa9cf9af7e2cf53cd356dca63e3f353c692d

    SHA512

    fa6c8d0512b127d1bc0ff0cb0e939424c7ac87852734bd06872422ffb7987eb9dd6145ca0e685eb21c84e9f31d531ccb03bed5af82c246f5f6f7cab2acdc985d

  • memory/1336-48-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1336-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1336-42-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1336-50-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2340-29-0x0000000000400000-0x000000000065F000-memory.dmp

    Filesize

    2.4MB

  • memory/2340-0-0x0000000000400000-0x000000000065F000-memory.dmp

    Filesize

    2.4MB

  • memory/2852-32-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-40-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-38-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-35-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-53-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-78-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-57-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-60-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-62-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-64-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2852-67-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/3844-44-0x0000000000400000-0x000000000065F000-memory.dmp

    Filesize

    2.4MB

  • memory/3844-28-0x0000000000400000-0x000000000065F000-memory.dmp

    Filesize

    2.4MB