Analysis

  • max time kernel
    118s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-10-2024 08:21

General

  • Target

    36d7b026a36c528a2b77f5bd1e3089981239d092fd7c4e745cdbd63634ae4012N.exe

  • Size

    1.8MB

  • MD5

    e37265808eb0f82136350a3d7ada4720

  • SHA1

    8a0b39bb8bdd561a4dd6dca8a8c13a148beb4071

  • SHA256

    36d7b026a36c528a2b77f5bd1e3089981239d092fd7c4e745cdbd63634ae4012

  • SHA512

    63349036c253293f778fd73e8bbfe5e1b1782624651d6c827ecec8494fff5bc13febec98df784a1ffdec0a3c052504661d6ad72793ced8ee40721926f41b8e06

  • SSDEEP

    49152:RNMqQ0kwonLVkZep9nWrPWwONrRoODiGgDWAg2CPaSAnYvJW3BTSXff6YNQVWIPd:RiqQ0kwonLVkZep9nWrPWwONrRoODiG8

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 13 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 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\36d7b026a36c528a2b77f5bd1e3089981239d092fd7c4e745cdbd63634ae4012N.exe
    "C:\Users\Admin\AppData\Local\Temp\36d7b026a36c528a2b77f5bd1e3089981239d092fd7c4e745cdbd63634ae4012N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VuxZD.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2520
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Updater 3" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2332
    • C:\Users\Admin\AppData\Roaming\Firefox.exe
      "C:\Users\Admin\AppData\Roaming\Firefox.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4072
      • C:\Users\Admin\AppData\Roaming\Firefox.exe
        C:\Users\Admin\AppData\Roaming\Firefox.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3636
        • 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:1464
          • 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\Firefox.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2740
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Firefox.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Firefox.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1900
        • 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:2240
          • 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:736
        • 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\darkeye-nosttingspersistent.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1424
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\darkeye-nosttingspersistent.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:996
      • C:\Users\Admin\AppData\Roaming\Firefox.exe
        C:\Users\Admin\AppData\Roaming\Firefox.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    143B

    MD5

    962bc493b87f298696ad6e3eed7c7937

    SHA1

    985cc0c7e37e2465c4349abd528e120663ebd205

    SHA256

    c167e2faa5307ac291ff833b8a1f5f802eaa028d1aba8d1ad342ca84c07bdb01

    SHA512

    9dd2b755a404b74206b713ab17d2ddedacc48910e942dab71cf7e98d8d25322c24e32648f0881136e5425134aaccfbfd9bdc52ceb4519bd07e97c5564116f173

  • C:\Users\Admin\AppData\Roaming\Firefox.txt

    Filesize

    1.8MB

    MD5

    3c35b8d86501f56f7dd0f835d9e917c4

    SHA1

    096515b16719f4b362ee3f18f98dcf89df37ada4

    SHA256

    bbf59a6ef6d7a3067ebc0bba529886cb580019b381a9b089236818c4a5b1e083

    SHA512

    7d3e59e3f427752164c3f39520f728ef2902cfda9a5a951ad6b01a4371a473da77614e5171b5240d4b9386bdcb1a3f674c6ba62186b3865f44d681cd0c7b2a71

  • memory/3636-56-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-31-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-34-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-36-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-77-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-61-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-59-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-51-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3636-52-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3644-0-0x0000000000400000-0x00000000005CF000-memory.dmp

    Filesize

    1.8MB

  • memory/4860-53-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4860-46-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4860-40-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/4860-44-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB