Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2024, 16:44

General

  • Target

    98ddddb682269bfc21be18eb4fe0fb3251fe282e050ea9b598b66d20c32c1c45N.exe

  • Size

    293KB

  • MD5

    f4ba013db8f239ada3030a709295d370

  • SHA1

    365f4d2e5b1bed7cb215bad5231247bf2fe968d7

  • SHA256

    98ddddb682269bfc21be18eb4fe0fb3251fe282e050ea9b598b66d20c32c1c45

  • SHA512

    3b795de69d5ebe5ada56bbb3e66f10aa0a43655a4eca4a82f1ee089a543d6b03120d5b8c56c0a3636e4e84761dde901c0f91081f17b906816829553f20de151e

  • SSDEEP

    6144:g750HizPy7n+g47wSAr2QxMcnpjRBM8Aat6E5PB0beIwa2pX8EIHBZrfxoS4iJo:Diz+n87tArhxVjVAA6aPBwSXrk7rJoSi

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 17 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 62 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98ddddb682269bfc21be18eb4fe0fb3251fe282e050ea9b598b66d20c32c1c45N.exe
    "C:\Users\Admin\AppData\Local\Temp\98ddddb682269bfc21be18eb4fe0fb3251fe282e050ea9b598b66d20c32c1c45N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3024
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\BRuAQ.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2756
      • 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:2688
    • C:\Users\Admin\AppData\Roaming\Firefox.exe
      "C:\Users\Admin\AppData\Roaming\Firefox.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2668
      • 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:2544
        • 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:2592
          • 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:484
        • 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:2044
          • 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:1400
        • 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:2216
          • 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:1660
        • 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:768
          • 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:1796
      • 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:2620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BRuAQ.bat

    Filesize

    143B

    MD5

    962bc493b87f298696ad6e3eed7c7937

    SHA1

    985cc0c7e37e2465c4349abd528e120663ebd205

    SHA256

    c167e2faa5307ac291ff833b8a1f5f802eaa028d1aba8d1ad342ca84c07bdb01

    SHA512

    9dd2b755a404b74206b713ab17d2ddedacc48910e942dab71cf7e98d8d25322c24e32648f0881136e5425134aaccfbfd9bdc52ceb4519bd07e97c5564116f173

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

    Filesize

    293KB

    MD5

    7b5942ef80586ecd9674f26d9febc47f

    SHA1

    c3f9abdd478d74e64fca3d27736b44a92c47d4f6

    SHA256

    31e05a6327487f89073ab1910d312a39119cbecc9f40648fe95f0c96f0f1b2e4

    SHA512

    3d1fc9b2553faf960cf27db4824b860b53624a88fda09a4846fda294504cab3418e92b4a5dc15ac4afa2cec55926245b28854f97d8310b0eed6012bcc8532492

  • memory/2544-51-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-83-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-81-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-78-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-76-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-57-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-54-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2544-74-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2620-75-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2620-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2620-71-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2620-65-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2668-70-0x0000000000400000-0x00000000005DA000-memory.dmp

    Filesize

    1.9MB

  • memory/2668-58-0x0000000002940000-0x0000000002B1A000-memory.dmp

    Filesize

    1.9MB

  • memory/3024-0-0x0000000000400000-0x00000000005DA000-memory.dmp

    Filesize

    1.9MB

  • memory/3024-46-0x0000000000400000-0x00000000005DA000-memory.dmp

    Filesize

    1.9MB

  • memory/3024-43-0x0000000002FB0000-0x000000000318A000-memory.dmp

    Filesize

    1.9MB

  • memory/3024-30-0x0000000002FB0000-0x000000000318A000-memory.dmp

    Filesize

    1.9MB