Analysis

  • max time kernel
    6s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 07:36

General

  • Target

    4a71b5473baa46863f36a803636e5b6084d7112d2301f6c9c9c5d05442d68464.exe

  • Size

    1.2MB

  • MD5

    eabfbf6bb92e4c50beaf9d5c199ac1f0

  • SHA1

    36b0087cbeb2f77dd8067e6d9dd55c005184d312

  • SHA256

    4a71b5473baa46863f36a803636e5b6084d7112d2301f6c9c9c5d05442d68464

  • SHA512

    73b83180bc82f3fa1ab0684b59c542bd7170fc28171341a57b38ee73ddf1db2f1c148366013733d6d793003fea7f0cc14307cdd79a17fa11f84e68692cff4f48

  • SSDEEP

    3072:gRRHyoBg8zJRAxuU+N6ET/d9ArfCS3VT62FQwiDefNbaSBVpMQRQ8imgCQIqi/cd:gRhoxrn/vmrqaTh2uMnuPea4g/GcL

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a71b5473baa46863f36a803636e5b6084d7112d2301f6c9c9c5d05442d68464.exe
    "C:\Users\Admin\AppData\Local\Temp\4a71b5473baa46863f36a803636e5b6084d7112d2301f6c9c9c5d05442d68464.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Windows\SysWOW64\svchost.exe
      "C:\Windows\system32\svchost.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1988
    • C:\Users\Admin\AppData\Local\Temp\4a71b5473baa46863f36a803636e5b6084d7112d2301f6c9c9c5d05442d68464.exe
      "C:\Users\Admin\AppData\Local\Temp\4a71b5473baa46863f36a803636e5b6084d7112d2301f6c9c9c5d05442d68464.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BMOJH.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4684
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "javaruntime" /t REG_SZ /d "C:\Windows\javaruntime.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:5112
      • C:\Windows\javaruntime.exe
        "C:\Windows\javaruntime.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2224
        • C:\Windows\SysWOW64\svchost.exe
          "C:\Windows\system32\svchost.exe"
          4⤵
            PID:2996
          • C:\Windows\javaruntime.exe
            "C:\Windows\javaruntime.exe"
            4⤵
              PID:5092
            • C:\Windows\javaruntime.exe
              "C:\Windows\javaruntime.exe"
              4⤵
                PID:1076
                • 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⤵
                    PID:3848
                    • 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 registry key
                      PID:4592
                  • C:\Windows\SysWOW64\cmd.exe
                    cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\javaruntime.exe" /t REG_SZ /d "C:\Windows\javaruntime.exe:*:Enabled:Windows Messanger" /f
                    5⤵
                      PID:3120
                      • C:\Windows\SysWOW64\reg.exe
                        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\javaruntime.exe" /t REG_SZ /d "C:\Windows\javaruntime.exe:*:Enabled:Windows Messanger" /f
                        6⤵
                        • Modifies registry key
                        PID:1424
                    • 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⤵
                        PID:4032
                        • 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 registry key
                          PID:4868
                      • 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\winprocess.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winprocess.exe:*:Enabled:Windows Messanger" /f
                        5⤵
                          PID:1892
                          • C:\Windows\SysWOW64\reg.exe
                            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\winprocess.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\winprocess.exe:*:Enabled:Windows Messanger" /f
                            6⤵
                            • Modifies registry key
                            PID:1412

                Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

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

                  Filesize

                  124B

                  MD5

                  163f8e838efe1d166ffff7408b814e28

                  SHA1

                  52fa0ccba649587e7d24d21d182657078fa6d028

                  SHA256

                  dc60287c419225759aa9e1ea0423be4106337dad71aaa0cdc9d55d2b1af3edb7

                  SHA512

                  b6685390029555f7d812f0d1a9f138c619555712add3e79c1c90a1a5a0c544e4a86768a626d25c6af3cec09afc0bbaf7f398114e849831bdc5666fc443a1f68d

                • C:\Windows\javaruntime.exe

                  Filesize

                  1.2MB

                  MD5

                  04a87c84b3965e19ee437f4e846c87bb

                  SHA1

                  3470c2a0b7fd3def145c6f0b8cc04f2fa68d6ac1

                  SHA256

                  1694d01bf45b9992ef1ecfec3593c7d7fcd04a83d924e885be293fec817e60a0

                  SHA512

                  f49bc0a7eb66fbefdf270caa25a034ae5d81f0110bc45533449eeff3ad65f5744f1e772c27e8357a597d298ddcf44e565f01ac6cf104bd23c5e54033142a302d

                • memory/1076-61-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-91-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-64-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-63-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-93-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-77-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-89-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-86-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-84-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-82-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-79-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1076-98-0x0000000000400000-0x000000000047B000-memory.dmp

                  Filesize

                  492KB

                • memory/1988-8-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/1988-45-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/1988-9-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/1988-12-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/1988-6-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/2224-46-0x0000000000400000-0x000000000052E000-memory.dmp

                  Filesize

                  1.2MB

                • memory/2224-70-0x0000000000400000-0x000000000052E000-memory.dmp

                  Filesize

                  1.2MB

                • memory/2996-47-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/2996-54-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/2996-49-0x0000000000400000-0x000000000040C000-memory.dmp

                  Filesize

                  48KB

                • memory/3920-13-0x0000000000400000-0x000000000052E000-memory.dmp

                  Filesize

                  1.2MB

                • memory/3920-0-0x0000000000400000-0x000000000052E000-memory.dmp

                  Filesize

                  1.2MB

                • memory/3920-3-0x00000000022A0000-0x00000000022A2000-memory.dmp

                  Filesize

                  8KB

                • memory/3920-4-0x00000000022B0000-0x00000000022B2000-memory.dmp

                  Filesize

                  8KB

                • memory/3920-5-0x00000000022F0000-0x00000000022F2000-memory.dmp

                  Filesize

                  8KB

                • memory/3920-21-0x0000000000400000-0x000000000052E000-memory.dmp

                  Filesize

                  1.2MB

                • memory/4548-14-0x0000000000400000-0x000000000040B000-memory.dmp

                  Filesize

                  44KB

                • memory/4548-16-0x0000000000400000-0x000000000040B000-memory.dmp

                  Filesize

                  44KB

                • memory/4548-18-0x0000000000400000-0x000000000040B000-memory.dmp

                  Filesize

                  44KB

                • memory/4548-53-0x0000000000400000-0x000000000040B000-memory.dmp

                  Filesize

                  44KB

                • memory/4548-73-0x0000000000400000-0x000000000040B000-memory.dmp

                  Filesize

                  44KB

                • memory/5092-74-0x0000000000400000-0x000000000040B000-memory.dmp

                  Filesize

                  44KB