Resubmissions

01/03/2025, 18:01

250301-wl8swaxwbx 10

01/03/2025, 17:53

250301-wghe5axvat 10

Analysis

  • max time kernel
    45s
  • max time network
    46s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250217-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250217-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    01/03/2025, 18:01

General

  • Target

    JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe

  • Size

    177KB

  • MD5

    3a9250510c3700c17aa937e03d05d677

  • SHA1

    936e317ed4807afcb2fb8c6143a3b4e5ef000b32

  • SHA256

    2d1327563aa3bced42378d83d5651ddf4c557925dd4254076486423e2310edff

  • SHA512

    5b14de7a6000507a467459cb907ee708b42104fb5415e883d838f7d4f35890dd82510c1123c926a47cb0fc11d5d65685b8cf117f69de1b3938fb43af63dcff95

  • SSDEEP

    3072:F4KEARzfurstTBSijrfFbhszpYwcSAorYLlbFuzIIpLiAH7TxEeZLl7+zm:FgAxfuAvSiVbhszCpRFuz3TieZLJ

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 5 IoCs
  • Modifies firewall policy service 3 TTPs 10 IoCs
  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • UPX packed file 6 IoCs

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

  • System Location Discovery: System Language Discovery 1 TTPs 9 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: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 36 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe"
    1⤵
    • Adds policy Run key to start application
    • Boot or Logon Autostart Execution: Active Setup
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4052
    • 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
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4340
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4796
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4456
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3a9250510c3700c17aa937e03d05d677.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2184
    • 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
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3756
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:3444
    • 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\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4240
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\local.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\local.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:4900
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:3756

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4052-0-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4052-4-0x0000000077371000-0x0000000077372000-memory.dmp

      Filesize

      4KB

    • memory/4052-5-0x0000000077350000-0x0000000077440000-memory.dmp

      Filesize

      960KB

    • memory/4052-6-0x0000000077350000-0x0000000077440000-memory.dmp

      Filesize

      960KB

    • memory/4052-7-0x0000000077350000-0x0000000077440000-memory.dmp

      Filesize

      960KB

    • memory/4052-8-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4052-9-0x0000000077350000-0x0000000077440000-memory.dmp

      Filesize

      960KB

    • memory/4052-10-0x0000000077350000-0x0000000077440000-memory.dmp

      Filesize

      960KB

    • memory/4052-11-0x0000000077350000-0x0000000077440000-memory.dmp

      Filesize

      960KB

    • memory/4052-12-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4052-15-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4052-19-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB

    • memory/4052-22-0x0000000000400000-0x000000000047D000-memory.dmp

      Filesize

      500KB