Analysis

  • max time kernel
    148s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 03:52

General

  • Target

    c95ac5665057de851084e7dcb88658e720ae4e36b19360a3dcf37d6fbdd366c4.exe

  • Size

    1.6MB

  • MD5

    e958efce539f80462ae95ac806c98e5d

  • SHA1

    cc4c5c51aad6c941a5d4bd91c0f59bf51ac7e55a

  • SHA256

    c95ac5665057de851084e7dcb88658e720ae4e36b19360a3dcf37d6fbdd366c4

  • SHA512

    b9b38104474367f3220081f6c9e5ca29d61a426efbe47c1be743a28e1e7816932b6be6fc8c8a850dc685f3bc921d7f3a130acc75e38670b6faf738a0470872ed

  • SSDEEP

    12288:bB5a3hizhz/o456rn9lkQ8rxQslgBKR1jl9RL9BVnDXLmoIY7Tm+jZFluq9wd4UT:bkB4tpHlgGjlLHlFoq2d5T

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 12 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 19 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 13 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 35 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c95ac5665057de851084e7dcb88658e720ae4e36b19360a3dcf37d6fbdd366c4.exe
    "C:\Users\Admin\AppData\Local\Temp\c95ac5665057de851084e7dcb88658e720ae4e36b19360a3dcf37d6fbdd366c4.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1984
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\KqjJZ.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1780
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Window Updates" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2696
    • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.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:2808
      • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2760
        • 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:2556
          • 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:2984
        • 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\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2552
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1552
        • 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:2588
          • 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:1480
        • 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\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2620
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    158B

    MD5

    1954c7e666c5b4d1117ef07bc0c9b8ec

    SHA1

    559e3c0273c1463e9184027b749bdaad0a372681

    SHA256

    35e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693

    SHA512

    3939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a

  • C:\Users\Admin\AppData\Roaming\Windows Update\winupdt.exe

    Filesize

    1.6MB

    MD5

    ec1e9b3909528d1b994bb55fa87e4678

    SHA1

    c1d8b24878d00abb275ed5f76c463b9ac4d23bf0

    SHA256

    dd7c707376a274fe656b9c09ca4449f41334befa70042a2757f04ac30741b7c9

    SHA512

    845b61b1918b0be9041bcbb29af6f7cbe750966e821b145f80a8ddff1c21980ae79aa38c521b87420544c898c39b7b7067021db1f67c855ea261c9ee1d6b5332

  • memory/1984-45-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/1984-0-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/1984-42-0x00000000035F0000-0x0000000003798000-memory.dmp

    Filesize

    1.7MB

  • memory/2760-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-71-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-60-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-59-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-79-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-77-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-51-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-64-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-66-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-68-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-70-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2760-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2808-50-0x0000000002790000-0x0000000002938000-memory.dmp

    Filesize

    1.7MB

  • memory/2808-63-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB

  • memory/2808-44-0x0000000000400000-0x00000000005A8000-memory.dmp

    Filesize

    1.7MB