Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2025, 06:33

General

  • Target

    8a5801a23b539960b1ba08d5fae2e17587fe6b9cf7b10092ad6649e29fdb50a1.exe

  • Size

    1.6MB

  • MD5

    3fb336da68902df506fa6af15bcc028e

  • SHA1

    fc183c73aae482328dfc0d82b239adf9624f207b

  • SHA256

    8a5801a23b539960b1ba08d5fae2e17587fe6b9cf7b10092ad6649e29fdb50a1

  • SHA512

    b0dfe41e95e5dab54393be4086e7a380fda36ef40ceebdc310bfd9804b0d45d912bb35abd4e844a0ff67b2ecc7647d51fbf56e29e6b67328f9f79c0f9584b4f0

  • SSDEEP

    12288:avk//qKF76/OXpqSjnTf0clY9uWC+RMpk1OC7HmrWcmbQC5onsYit:h1zltpu0it

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 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 18 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\8a5801a23b539960b1ba08d5fae2e17587fe6b9cf7b10092ad6649e29fdb50a1.exe
    "C:\Users\Admin\AppData\Local\Temp\8a5801a23b539960b1ba08d5fae2e17587fe6b9cf7b10092ad6649e29fdb50a1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\nlkGB.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Java Machine" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:4260
    • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
      "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4980
        • 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:1196
          • 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:4476
        • 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\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1136
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2304
        • 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:3264
          • 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:2788
        • 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\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3132
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\bot.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\bot.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:4760
      • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:5068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          149B

          MD5

          976ffa9a304b234c039c8739d97bb893

          SHA1

          f70f7ede8b6e5d1b8a9b53c9bf43882485b55bd6

          SHA256

          2b77cf051bb584aada8b9e5e07cba06e2077b42f009c33d10e31994ceec10384

          SHA512

          1bd398b968736efbab740c81776781023a4ef0dc1c0191d6393a7582bd79b452666163691d82a27ee8989a1e293e6d6df57c303aa9b34497ae52be417f9e269c

        • C:\Users\Admin\AppData\Roaming\JavaWeb\jusched.txt

          Filesize

          1.6MB

          MD5

          d8be76f1e1deec381fa77ab144ef83ac

          SHA1

          f6cbc747d701838a7262cbf9636ef86f1f13d455

          SHA256

          5a85973b5df3cd5d951883b977b1e03e4b910675ea03601b8b09a0fd09c106a0

          SHA512

          862f5d73eeec38db88fe2307ccf0a9922dab6322b32891a9b4341e081f7d54807a0e21127412cc8f028539e59d293703853a1b4840850692bbce571507214a5e

        • memory/2956-0-0x0000000000400000-0x00000000005A4000-memory.dmp

          Filesize

          1.6MB

        • memory/4980-61-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-64-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-31-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-82-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-78-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-75-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-50-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-66-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-52-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-54-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-57-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-59-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-34-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/4980-36-0x0000000000400000-0x000000000045C000-memory.dmp

          Filesize

          368KB

        • memory/5068-51-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/5068-44-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/5068-40-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB

        • memory/5068-37-0x0000000000400000-0x0000000000409000-memory.dmp

          Filesize

          36KB