Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    28/02/2025, 22:06

General

  • Target

    395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe

  • Size

    269KB

  • MD5

    5b8dc8ecd2dc1db7aadb2e42b96cfb21

  • SHA1

    642d0fcd6cccc01c5d31353959a4e94625a8685d

  • SHA256

    395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653

  • SHA512

    14eceaafc05e5902fbd2707fb3ec608d29ed6d1e99af78633fb637e8643b6e629ef43ae05163774ce1d04aaa4ee8f57b17cc41b9f4f41d9cc6ae0c229430e8fc

  • SSDEEP

    6144:MzNRmFiqQfSNJzpztBIRNz4c91ez5FeGV39HY0ZLyXmLoS4:8cFiJSNLtBI/0tlxYELyOoS4

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 11 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 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 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\395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe
    "C:\Users\Admin\AppData\Local\Temp\395da55c2f7b3cadcc23e18826389fe4e26c32adc29128200d40b2ce39a7b653.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2016
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\WBuAP.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2428
      • 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:2712
    • 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:2236
      • 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:2888
        • 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:2836
          • 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:2644
        • 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:2868
          • 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:2688
        • 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:2636
        • 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:2668
          • 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:2652

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    158B

    MD5

    1954c7e666c5b4d1117ef07bc0c9b8ec

    SHA1

    559e3c0273c1463e9184027b749bdaad0a372681

    SHA256

    35e0dbc8b455ca38976157ce9d0293fd6cdca20f46f1cb69058a1e0f0af6f693

    SHA512

    3939de8d0ab7e67b59ff8bebed5580dafd38d8785193fd42a289728500761a68b9e6660605e19e10d4278dd106fea4b273a208f25485e7389c8f19b2958c926a

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

    Filesize

    269KB

    MD5

    3a7964c6e580eb285dd5d35437ff611a

    SHA1

    d67b2a713006f66cfa1fd12894ccbeea82937ced

    SHA256

    645faa162791d03a1be408cff4735e4ece125bc4d29e6f4db23f0b5d915e4640

    SHA512

    7f2cfaddfca9bf36645a6c5d160b0727e1e802c770ddb07c9e1631b926a70d8fa930f85d2a072617419d1e53728a5cb2319991586b9a5b787138a5cb80112833

  • memory/2016-42-0x0000000003120000-0x00000000032C7000-memory.dmp

    Filesize

    1.7MB

  • memory/2016-45-0x0000000000400000-0x00000000005A7000-memory.dmp

    Filesize

    1.7MB

  • memory/2016-0-0x0000000000400000-0x00000000005A7000-memory.dmp

    Filesize

    1.7MB

  • memory/2236-57-0x0000000000400000-0x00000000005A7000-memory.dmp

    Filesize

    1.7MB

  • memory/2888-54-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-56-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-50-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-63-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-65-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-67-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-68-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-71-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-73-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-79-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2888-81-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB