Analysis

  • max time kernel
    148s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/02/2025, 10:08

General

  • Target

    JaffaCakes118_253507afe0df86a8ebb94bc53d95642d.exe

  • Size

    280KB

  • MD5

    253507afe0df86a8ebb94bc53d95642d

  • SHA1

    cea1f9a0468cd58fecab536f822483f5d7bd0619

  • SHA256

    733db86b3ebceee1b42aa2f2276a867aa4446159e3dcf69c9de1f9ed69786c32

  • SHA512

    c7638e26a366f8a86685cdd8d24b5930de44190b57403f2ba62541c2f6c9ac8941029b31b1237c19a3f5dbabede91bd492206daaf60002786f9969a6f3e80d04

  • SSDEEP

    6144:Hjm3uNscr3+wwsQkrGiwnxRVO0DwtmoXdPC1w:HjS4s40sQEtsq0kt

Malware Config

Signatures

  • Blackshades

    Blackshades is a remote access trojan with various capabilities.

  • Blackshades family
  • Blackshades payload 13 IoCs
  • Modifies firewall policy service 3 TTPs 8 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
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 17 IoCs

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

  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 10 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 3 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_253507afe0df86a8ebb94bc53d95642d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_253507afe0df86a8ebb94bc53d95642d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1112
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
      2⤵
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2332
      • 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:580
        • 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:2800
      • 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\cvtres.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2728
        • 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\cvtres.exe" /t REG_SZ /d "C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2748
      • 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:2716
        • 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:2796
      • 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\kim.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\kim.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2788
        • C:\Windows\SysWOW64\reg.exe
          REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\kim.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\kim.exe:*:Enabled:Windows Messanger" /f
          4⤵
          • Modifies firewall policy service
          • System Location Discovery: System Language Discovery
          • Modifies registry key
          PID:2864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1112-16-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

  • memory/1112-1-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

  • memory/1112-2-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

  • memory/1112-0-0x0000000074361000-0x0000000074362000-memory.dmp

    Filesize

    4KB

  • memory/2332-21-0x0000000076230000-0x0000000076340000-memory.dmp

    Filesize

    1.1MB

  • memory/2332-24-0x0000000076230000-0x0000000076340000-memory.dmp

    Filesize

    1.1MB

  • memory/2332-14-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-13-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-9-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2332-6-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-5-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-19-0x0000000076248000-0x0000000076249000-memory.dmp

    Filesize

    4KB

  • memory/2332-22-0x0000000076230000-0x0000000076340000-memory.dmp

    Filesize

    1.1MB

  • memory/2332-3-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-20-0x0000000076230000-0x0000000076340000-memory.dmp

    Filesize

    1.1MB

  • memory/2332-23-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-12-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-25-0x0000000076230000-0x0000000076340000-memory.dmp

    Filesize

    1.1MB

  • memory/2332-26-0x0000000076230000-0x0000000076340000-memory.dmp

    Filesize

    1.1MB

  • memory/2332-28-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-30-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-31-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-32-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-33-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-35-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-36-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-38-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-39-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB

  • memory/2332-40-0x0000000000400000-0x00000000005D8000-memory.dmp

    Filesize

    1.8MB