Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/02/2025, 19:06

General

  • Target

    JaffaCakes118_2f04515a1df6a46899087dd353454500.exe

  • Size

    636KB

  • MD5

    2f04515a1df6a46899087dd353454500

  • SHA1

    4c2cab9e6506dc4667209b811c1301a2be45ff38

  • SHA256

    db7cffadc3c6d3b5b67719eb4df12e83590cf91f05a89839af2456f18181e2bf

  • SHA512

    b46bee46132927ddd80e39f7b5b274e516582b29a67ebb977363ec0b55648a60182203321b9f0c790bb6e2237f3d210ca74732e3672d12ca18cd7e95d8384b6b

  • SSDEEP

    12288:TgGOKUQMBKucHMsiz0W1Qvsx3TL3feuz/qdp6qor9Ay8tK:cGBsBcssiZJve6Ku

Malware Config

Signatures

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 15 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 4 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 15 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 64 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f04515a1df6a46899087dd353454500.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f04515a1df6a46899087dd353454500.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f04515a1df6a46899087dd353454500.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_2f04515a1df6a46899087dd353454500.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\LSWIG.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "updhecks" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe" /f
          4⤵
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:860
      • C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe
        "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2328
        • C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe
          "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2460
        • C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe
          "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2876
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2764
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2604
          • 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\SystdowsSffervice\checksupdate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2748
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2932
          • 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
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2308
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile /v "DoNotAllowExceptions" /t REG_DWORD /d "0" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2968
          • 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\SystemRestoredn\run.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemRestoredn\run.exe:*:Enabled:Windows Messanger" /f
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2172
            • C:\Windows\SysWOW64\reg.exe
              REG ADD HKLM\System\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List /v "C:\Users\Admin\AppData\Roaming\SystemRestoredn\run.exe" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\SystemRestoredn\run.exe:*:Enabled:Windows Messanger" /f
              6⤵
              • Modifies firewall policy service
              • System Location Discovery: System Language Discovery
              • Modifies registry key
              PID:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\LSWIG.bat

    Filesize

    160B

    MD5

    89161a7554d4f472202e0b0541fb203e

    SHA1

    2ff3bea33b3d2f2e6be4ae04d804a05a7f98a52e

    SHA256

    6d7b90ca5db91e1db588d327f9987e29b05ec7095da5cf6ae327073709701aba

    SHA512

    c4e4cbc28962bfd1415d5b5aa6e084459948118f056b0af97545c99290951bb84dc3f5ca6b155ad1eba77f3da09a9e8be85e658a3553b1112a36e2e52cd191da

  • \Users\Admin\AppData\Roaming\SystdowsSffervice\checksupdate.exe

    Filesize

    636KB

    MD5

    de8551783c966339637b4ffb6f760eaf

    SHA1

    9a269f106d9b4cb506598668ae8e9b9db7071f63

    SHA256

    00334f7c819fa2eb5367920d5976e2114c34f25e41f7edffb0f4e53336046046

    SHA512

    7d7ee15a1c16bc0067a90cd92d9a89bdaeef5d8a3f9d9852c8c4d8d2896c0b92b127cfe139e64a97e90cb55644d71b5f23e674994a7a2f8615e51e16efa812ba

  • memory/1328-2-0x00000000001C0000-0x00000000001C1000-memory.dmp

    Filesize

    4KB

  • memory/1328-10-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/1328-50-0x0000000001E10000-0x0000000001E11000-memory.dmp

    Filesize

    4KB

  • memory/1328-40-0x0000000001D90000-0x0000000001D91000-memory.dmp

    Filesize

    4KB

  • memory/1328-30-0x0000000000540000-0x0000000000541000-memory.dmp

    Filesize

    4KB

  • memory/1328-8-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2460-403-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2460-414-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2956-162-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/2956-411-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB