Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    21-08-2024 08:06

General

  • Target

    b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.exe

  • Size

    162KB

  • MD5

    b2b51877931cbe02d93fd84c36d01ed1

  • SHA1

    dff851f226f7264e843720e6ad155aa4af4f4590

  • SHA256

    73bbf6055c3128960195e01f4b37a044a0e0324b80251dd0a4540144f391c055

  • SHA512

    a28bb23baa6443878e80de3bf67b9cd16e985299ca12255d2fd2d10095c085229884b2683c2460f52ad11b180614e37fe225285075d8b09fe44af4d1f724100c

  • SSDEEP

    3072:CGC4mTElLZ9Ig4T2E52U6OyMNPQTHgnW6A4SlU5Mkm/7p9rzk3qq3TNj:CWmIlLZOg4B52UNpPtnW5HzjkawTV

Malware Config

Signatures

  • 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.

  • UPX packed file 13 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.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:2000
    • 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:3036
      • 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:1852
    • 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\b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2224
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Local\Temp\b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\b2b51877931cbe02d93fd84c36d01ed1_JaffaCakes118.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2320
    • 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:2108
      • 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:2124
    • 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\Geekafide.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Geekafide.exe:*:Enabled:Windows Messanger" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Windows\SysWOW64\reg.exe
        REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\Geekafide.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Geekafide.exe:*:Enabled:Windows Messanger" /f
        3⤵
        • Modifies firewall policy service
        • System Location Discovery: System Language Discovery
        • Modifies registry key
        PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2000-0-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-4-0x0000000076FA8000-0x0000000076FA9000-memory.dmp

    Filesize

    4KB

  • memory/2000-5-0x0000000076F90000-0x00000000770A0000-memory.dmp

    Filesize

    1.1MB

  • memory/2000-6-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-8-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-10-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-11-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-12-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-13-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-15-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-16-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-18-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-20-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-22-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB

  • memory/2000-24-0x0000000000400000-0x0000000000473000-memory.dmp

    Filesize

    460KB