Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/03/2025, 11:45

General

  • Target

    JaffaCakes118_38d8c1d245fa1bd2024a191f7cd31dc0.exe

  • Size

    306KB

  • MD5

    38d8c1d245fa1bd2024a191f7cd31dc0

  • SHA1

    1804edc501713b9d3a637fc55aa7e8bde3802e55

  • SHA256

    6d034658209dd96d0cc624551c9a416418883299769f90cc60e2c5c6861f46fe

  • SHA512

    e42b42cf36c1b0ecd862b12acbdac2d01c275c231ae1cecb34a4d02c36555d8783fcf34ba4c64cee95ca604983c1688b9712aad6f846ad3486ff0561a381b7da

  • SSDEEP

    6144:FfNdLF0ocp0dyd+97C6H8nnMHPer11XgUfcgxFomgXHsMjoSt:FFdLF9S0deQJ8n7RkgxFZgXxoSt

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 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 24 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\JaffaCakes118_38d8c1d245fa1bd2024a191f7cd31dc0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_38d8c1d245fa1bd2024a191f7cd31dc0.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3988
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\qZTSN.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3912
      • C:\Windows\SysWOW64\reg.exe
        REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "WinUpdt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /f
        3⤵
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:5112
    • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
      "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4836
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1864
        • 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:352
          • 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:3528
        • 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\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3648
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:2584
        • 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:1932
          • 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:4424
        • 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\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4588
          • C:\Windows\SysWOW64\reg.exe
            REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Windows Updater.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Windows Updater.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • Modifies firewall policy service
            • System Location Discovery: System Language Discovery
            • Modifies registry key
            PID:1732
      • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe
        "C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2836

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    152B

    MD5

    49bb161b07149b1bda99901c71d98b1f

    SHA1

    e5e3b389c09d551bd8f3a4cf71ee30e566fdf6e2

    SHA256

    734c4f48449a118dbdfbbe4971ecf112b26b2b45d1889678c01dea98eb5767d8

    SHA512

    da09a2af9b7f9528916ab719ed97ee8b61179bba92016eaed64b3e7d6bf08646801aeeb0eb332bdde175eb64b48106f7cf2fe2bf01ea6128753e4ce1d48707be

  • C:\Users\Admin\AppData\Roaming\Window Updates\winupdt2.txt

    Filesize

    306KB

    MD5

    d1f17a2b06b3137a2425875f1536dd82

    SHA1

    86e6aea8ba5a5fdbf2e5e0317a22260ad91754fb

    SHA256

    256f69ff4edfae5fa27cb4cf8a14953a300bd68d8e464ec1288ebeefad859043

    SHA512

    9522f602d23574bc12efddf421f956233424bd411f46db74e8a3b6b3ff3ecf15f801d27fb3f1de4dca5ba9ac51d9756f19514ca11d0edc39898cec81317de610

  • memory/1864-67-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-60-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-32-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-35-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-37-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-74-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-71-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-57-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-55-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-53-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-83-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-78-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-69-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-76-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-62-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/1864-64-0x0000000000400000-0x000000000045C000-memory.dmp

    Filesize

    368KB

  • memory/2836-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2836-42-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2836-45-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/2836-38-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3988-0-0x0000000000400000-0x00000000005C9000-memory.dmp

    Filesize

    1.8MB

  • memory/3988-29-0x0000000000400000-0x00000000005C9000-memory.dmp

    Filesize

    1.8MB

  • memory/4836-52-0x0000000000400000-0x00000000005C9000-memory.dmp

    Filesize

    1.8MB