Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2025 23:53

General

  • Target

    JaffaCakes118_b0a99116e79c93f78679d108824b351f.exe

  • Size

    591KB

  • MD5

    b0a99116e79c93f78679d108824b351f

  • SHA1

    e82e560322613d4b1e3067f5e2af01d6054cd9f3

  • SHA256

    480add5f2e191dc546e3642abb7512d5d83bae7dc1b18f75300cb28d95cfc52b

  • SHA512

    68c63f5b0ab8e907f65782d4cd926233fd47cf13a6e97ce940290f223c2d2ee51b1974e66f732707035988103dff79fcfcc6932a7e9f70ce9531105b66def140

  • SSDEEP

    12288:An+t73HEbo7cLHJuGliMLevdtD8nYXRfc4uFQjHEQCOQfkZ9ZZ:AQ73AXHuML2FXRfc7FQjHEQCHkZ

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 15 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 2 IoCs
  • Suspicious use of SetThreadContext 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 12 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 AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 43 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0a99116e79c93f78679d108824b351f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0a99116e79c93f78679d108824b351f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Roaming\UseNetServ.exe
      C:\Users\Admin\AppData\Roaming\UseNetServ.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4740
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4680
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:344
      • 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\UseNetServ.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\UseNetServ.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:548
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\UseNetServ.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\UseNetServ.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2720
      • 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
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1716
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:3948
      • 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\tsksrv.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\tsksrv.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3356
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\tsksrv.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\tsksrv.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:888
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0a99116e79c93f78679d108824b351f.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b0a99116e79c93f78679d108824b351f.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4916
      • C:\Users\Admin\AppData\Roaming\UseNetServ.exe
        C:\Users\Admin\AppData\Roaming\UseNetServ.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3196

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\UseNetServ.exe

    Filesize

    1KB

    MD5

    3d9bb6f53646c6a96df819bdb471796a

    SHA1

    46d2d340398594f5060373f81232b82211e32825

    SHA256

    c0657322afdac0df459f3bc233ecf362838774a116ff8d82846914925d246e83

    SHA512

    b6165a7be23878cf75a70745d87767041f5a413c2f27d51440974ef205e09e10789cdc540bb504cd4cb4b857ae7d16e935fce85f1a618dde8b1f44471b661873

  • memory/2324-25-0x0000000075330000-0x00000000758E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-1-0x0000000075330000-0x00000000758E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-2-0x0000000075330000-0x00000000758E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-0-0x0000000075332000-0x0000000075333000-memory.dmp

    Filesize

    4KB

  • memory/2324-26-0x0000000075330000-0x00000000758E1000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-24-0x0000000075332000-0x0000000075333000-memory.dmp

    Filesize

    4KB

  • memory/3196-22-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-27-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-34-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-6-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-28-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-30-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-31-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-32-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-10-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-35-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-36-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-39-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-40-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-43-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB

  • memory/4740-44-0x0000000000400000-0x0000000000470000-memory.dmp

    Filesize

    448KB