Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2024 05:18

General

  • Target

    eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe

  • Size

    1.7MB

  • MD5

    6f7b8480a4cb654f4f7c752711d47ffd

  • SHA1

    0d2c246bbbd8cb7d838a9d1bd77bd0c4ad0b9728

  • SHA256

    eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6

  • SHA512

    0ec8a0b4339a42284c9e17258982033f1673697005d98a888eb5fdd2bd269a16c980d49063bb0814579f6205fe1fd14206d3025e66fef1c528a5a9dd01393146

  • SSDEEP

    12288:Y6sg9q8utL6R91NNaUfViptH0D9wvT1xkZTWbq6Pknm2N5kv7Z62J5ugQ8cY47OO:YyG6RGjv7biFpVUu

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 23 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\eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe
    "C:\Users\Admin\AppData\Local\Temp\eb4632bcaf56a47ec25919767657f725cc0e9688c30478b81f49498b4125a5f6.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\PxrJg.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1488
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:1824
    • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe
      "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.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:2096
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2636
        • 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:2748
          • 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:2708
        • 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\Window Updates\winupdt3.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2792
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2696
        • 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:3004
          • 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:2800
        • 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\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2264
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2112
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2844

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    Filesize

    152B

    MD5

    deba559edd7e3c8dcc3e27362ac41cde

    SHA1

    a5688d69bc779c836262874f344de154ae7e7219

    SHA256

    49f5709cc8357f7e406ae904f54d82d476094e2e93dc93308147d8ed9a175a90

    SHA512

    9296532fd85f48b49802be12a8581453f84274cada2433d082d5901bd86c57c86bdcc4bd4420d2f6014d1e964f0b1234eb0d34bd23ffad22c9ae02f615847fbd

  • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt3.exe

    Filesize

    1.7MB

    MD5

    4b13e9a1a494389f016d662e5735fa25

    SHA1

    ead624fd3efba2da08f92032f8b9875251df1636

    SHA256

    c99c331b8774beb3d80b9a8148aded1c62f94db2125c5e90ca69490022431838

    SHA512

    18b2cee70619d9165e8b3c92f18cc60f65d8939d81750eb23fefac75203ef54d93c4d5bd54ad926cf335c08e82e24c69ce4d8b15b87822cbb429f34bb74ed055

  • memory/2096-68-0x0000000000400000-0x00000000005B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2096-49-0x0000000002780000-0x0000000002936000-memory.dmp

    Filesize

    1.7MB

  • memory/2556-42-0x00000000032B0000-0x0000000003466000-memory.dmp

    Filesize

    1.7MB

  • memory/2556-44-0x0000000000400000-0x00000000005B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2556-0-0x0000000000400000-0x00000000005B6000-memory.dmp

    Filesize

    1.7MB

  • memory/2636-79-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-83-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-102-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-99-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-97-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-95-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-72-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-85-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-50-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-81-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2636-56-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2844-73-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2844-62-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2844-65-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2844-66-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2844-69-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB