Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04/03/2025, 21:22

General

  • Target

    JaffaCakes118_4faa12b615e8410b978944ca65c60335.exe

  • Size

    302KB

  • MD5

    4faa12b615e8410b978944ca65c60335

  • SHA1

    a94942298fe79a86f622fa5e4e14cfc643125554

  • SHA256

    64138fdf06aed257299dc945e32ad5eae74b3dde7c0282733493e24f39e4a117

  • SHA512

    b01ce627061267545af86a337c20989c013a297bfc04413cfddb1ec05e7b299296bf87803c66d685bb08aee45cf6c3182ea05be21a2de16b8810e2a320917ad3

  • SSDEEP

    6144:X6Dxcir7//mnwFyAiiwfItVtZ0OCnxOnogFVV2NWpJLdp0:X6Vf8tiwfetZixOfFVYYprW

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 14 IoCs
  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • 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 class 22 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4faa12b615e8410b978944ca65c60335.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4faa12b615e8410b978944ca65c60335.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2660
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c C:\Users\Admin\AppData\Local\Temp\bt52855.bat "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4faa12b615e8410b978944ca65c60335.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2700
      • C:\Users\Admin\AppData\Local\CalcL.exe
        C:\Users\Admin\AppData\Local\calcL.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        PID:2816
      • C:\Users\Admin\AppData\Local\Systemf.exe
        C:\Users\Admin\AppData\Local\systemf.exe
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2668
          • 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:2940
            • 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:2372
          • C:\Windows\SysWOW64\cmd.exe
            cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2112
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2036
          • 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:2688
            • 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:2672
          • 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\taskmgr.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\taskmgr.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2664
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\taskmgr.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\taskmgr.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2832

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Systemf.exe

    Filesize

    472KB

    MD5

    7a52315f10a53d03f4959194f6d41096

    SHA1

    ba3103927973522962aecc6ca259486e631db201

    SHA256

    7af422ef89646d0e80370c18298aa6cdd081f09c288a10a567a076f15b36c034

    SHA512

    820c8e0edabfa5d1a0967768218f636f7ac51eaa1b5cedaf6f3d7a8f414fc27c4e4a0578636837eb6cf3943ce5b68a596cda8416b23c24ca0e4b643cca85fc97

  • C:\Users\Admin\AppData\Local\Temp\bt52855.bat

    Filesize

    71B

    MD5

    8e19442d8f3b56b4af97b2cc7e258c6f

    SHA1

    7cf36b46d6b83c98c916aa1e17d044bf1ef6a841

    SHA256

    9bfea4c9f102435c8655f1ab2d75e1c540fefd4f3840d48200c2475d42861ff4

    SHA512

    3024a1567618886a61989b26fd8e524d667d699e762322ce856e1c3b7af9fcc68a43a64441c86cbab5cffec33e51e4c6374b5f1f33e97e610d09bbbb31f61fd7

  • \Users\Admin\AppData\Local\CalcL.exe

    Filesize

    17KB

    MD5

    45cc9739663805cc6b1d3d94d72359f0

    SHA1

    039e69a75be43f20cbfeb990a5a749da7913a9cf

    SHA256

    75bf1de84926e9c304bd58eb2a12ada5301df4cc1d82f112afe2c3debc560a1b

    SHA512

    277a68b13583e67700375c0b91f434c19d12b08a3a4d7c5819a62c5709e25c7630949f6f3e621f123a766511e37496b1b3c516fc14c2fed3480bbe67d4a71cb5

  • memory/2660-14-0x0000000000400000-0x0000000000455000-memory.dmp

    Filesize

    340KB

  • memory/2668-43-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-27-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-51-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-50-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-48-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-18-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-47-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-40-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-44-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-41-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-33-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-35-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-36-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2668-38-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2676-21-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-17-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-16-0x00000000747D0000-0x0000000074D7B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-15-0x00000000747D1000-0x00000000747D2000-memory.dmp

    Filesize

    4KB

  • memory/2700-7-0x0000000000170000-0x0000000000179000-memory.dmp

    Filesize

    36KB

  • memory/2816-32-0x0000000006690000-0x0000000006699000-memory.dmp

    Filesize

    36KB

  • memory/2816-42-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2816-28-0x0000000005920000-0x0000000005922000-memory.dmp

    Filesize

    8KB

  • memory/2816-46-0x0000000006690000-0x0000000006699000-memory.dmp

    Filesize

    36KB

  • memory/2816-9-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB