Analysis

  • max time kernel
    119s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/02/2025, 04:39

General

  • Target
    8734532cb211a9211e186edef3291c0bc21333e4925421285f5fe4fd357e0b4eN.exe
  • Size 604KB
  • Sample250202-facnaswkfz
  • SHA256 8734532cb211a9211e186edef3291c0bc21333e4925421285f5fe4fd357e0b4e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 3 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 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 5 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 15 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8734532cb211a9211e186edef3291c0bc21333e4925421285f5fe4fd357e0b4eN.exe
    "C:\Users\Admin\AppData\Local\Temp\8734532cb211a9211e186edef3291c0bc21333e4925421285f5fe4fd357e0b4eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3880
    • C:\Users\Admin\AppData\Local\Temp\8734532cb211a9211e186edef3291c0bc21333e4925421285f5fe4fd357e0b4eN.exe
      "C:\Users\Admin\AppData\Local\Temp\8734532cb211a9211e186edef3291c0bc21333e4925421285f5fe4fd357e0b4eN.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1716
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\LXTRV.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2216
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Jload" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Jload\Jload.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:388
      • C:\Users\Admin\AppData\Roaming\Jload\Jload.exe
        "C:\Users\Admin\AppData\Roaming\Jload\Jload.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5048
        • C:\Users\Admin\AppData\Roaming\Jload\Jload.exe
          "C:\Users\Admin\AppData\Roaming\Jload\Jload.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:4820
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3540
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1664
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2828
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\SysWOW64\svchost.exe" /t REG_SZ /d "C:\Windows\SysWOW64\svchost.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4892
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\SysWOW64\svchost.exe" /t REG_SZ /d "C:\Windows\SysWOW64\svchost.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:3656
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4156
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:948
          • 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\RUNE.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\RUNE.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1508
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\RUNE.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\RUNE.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2488

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        LXTRV.txt

        • Path C:\Users\Admin\AppData\Local\Temp\LXTRV.txt
        • Size 138B
        • SHA256 f27d92575749ef19cccc68a524662607f5be5ed2fb415fe7de4f4927f521709c
        • MD5 SHA1 SHA512

        Jload.exe

        • Path C:\Users\Admin\AppData\Roaming\Jload\Jload.exe
        • Size 604KB
        • SHA256 c23b3693e09b452201a5b7fe37267ddc56ba1269dcbe87e5010c8471b02e6544
        • MD5 SHA1 SHA512 SSDEEP

        memory/1716-6-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/1716-51-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/1716-10-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/1716-8-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/3540-45-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/3540-48-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/3540-59-0x0000000000400000-0x0000000000478000-memory.dmp

        memory/3880-2-0x0000000002BB0000-0x0000000002BB1000-memory.dmp

        memory/3880-5-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

        memory/3880-4-0x0000000002C70000-0x0000000002C71000-memory.dmp

        memory/3880-3-0x0000000002BF0000-0x0000000002BF1000-memory.dmp

        memory/4820-57-0x0000000000400000-0x000000000040B000-memory.dmp

        memory/5048-37-0x0000000000400000-0x0000000000497000-memory.dmp

        memory/5048-36-0x0000000000400000-0x0000000000497000-memory.dmp

        memory/5048-46-0x0000000000400000-0x0000000000497000-memory.dmp