Analysis

  • max time kernel
    145s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 00:39

General

  • Target

    f24a835a5bf8192c6ab0a670cfa39db4_JaffaCakes118.exe

  • Size

    14.6MB

  • MD5

    f24a835a5bf8192c6ab0a670cfa39db4

  • SHA1

    f7f59f05cd64bbc0867e329f98cf0bd6b5e440b4

  • SHA256

    e4758bb01373db02994ec59df48e9b43b85cd501a7f139a4435b91277969b509

  • SHA512

    6726b501249c2be25bca975ce43b12c3d040999cee73ddc015562afab0b94e6ef8767593f760b4e6402abd16907ffd625104b71901d79ab9697126a6c3f16917

  • SSDEEP

    393216:vwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwws:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Windows security bypass 2 TTPs 1 IoCs
  • Creates new service(s) 1 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f24a835a5bf8192c6ab0a670cfa39db4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f24a835a5bf8192c6ab0a670cfa39db4_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2444
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zyfaoapt\
      2⤵
        PID:2544
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wzfzozkq.exe" C:\Windows\SysWOW64\zyfaoapt\
        2⤵
          PID:2620
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create zyfaoapt binPath= "C:\Windows\SysWOW64\zyfaoapt\wzfzozkq.exe /d\"C:\Users\Admin\AppData\Local\Temp\f24a835a5bf8192c6ab0a670cfa39db4_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2776
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description zyfaoapt "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2384
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start zyfaoapt
          2⤵
          • Launches sc.exe
          PID:2696
        • C:\Windows\SysWOW64\netsh.exe
          "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
          2⤵
          • Modifies Windows Firewall
          PID:2404
      • C:\Windows\SysWOW64\zyfaoapt\wzfzozkq.exe
        C:\Windows\SysWOW64\zyfaoapt\wzfzozkq.exe /d"C:\Users\Admin\AppData\Local\Temp\f24a835a5bf8192c6ab0a670cfa39db4_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1988
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:1936

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\wzfzozkq.exe

        Filesize

        14.6MB

        MD5

        b6ca1dad44096728cbffddb34670d3d3

        SHA1

        912aae0ab4df74136571067be5fe7a587e94c7a7

        SHA256

        2a95ea3fc488cbf7cf523b3e38c4f093949808f1a66d45324c53bbaa2ce2f406

        SHA512

        4c0f16f692f8a2b1580edba24df50f0d9329bb41f7cd7531e6ec446a9358506766cb3baa5db027b697b02b254e22538e4df831c1cfae3b241b6940ec6b5916b7

      • memory/1936-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1936-12-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1936-21-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1936-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1936-19-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1936-15-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1988-16-0x0000000000400000-0x00000000009A2000-memory.dmp

        Filesize

        5.6MB

      • memory/1988-11-0x0000000000400000-0x00000000009A2000-memory.dmp

        Filesize

        5.6MB

      • memory/1988-10-0x0000000000AA0000-0x0000000000BA0000-memory.dmp

        Filesize

        1024KB

      • memory/2444-1-0x0000000000A90000-0x0000000000B90000-memory.dmp

        Filesize

        1024KB

      • memory/2444-4-0x0000000000400000-0x00000000009A2000-memory.dmp

        Filesize

        5.6MB

      • memory/2444-7-0x0000000000020000-0x0000000000033000-memory.dmp

        Filesize

        76KB

      • memory/2444-6-0x0000000000400000-0x00000000009A2000-memory.dmp

        Filesize

        5.6MB

      • memory/2444-2-0x0000000000020000-0x0000000000033000-memory.dmp

        Filesize

        76KB