Analysis

  • max time kernel
    173s
  • max time network
    197s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2024 00:19

General

  • Target

    f914186ccbdfd07ad5d83756aec22683_JaffaCakes118.exe

  • Size

    10.7MB

  • MD5

    f914186ccbdfd07ad5d83756aec22683

  • SHA1

    afbda57591f20395314fcb02dc2e8901e82109f8

  • SHA256

    dffa7c3f427791f3aeb3fe6d000d226fcafa5adefadedc8a8b030cb997d7a315

  • SHA512

    5fe1598a516bc3bd80e5214df084052ec870cf110b83fd491c94dcc44541dedb144c125e7c9957b550c82ea6a416c56acd139393f4c32d07127c65494f8b7687

  • SSDEEP

    24576:PjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeG:P/D

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\f914186ccbdfd07ad5d83756aec22683_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f914186ccbdfd07ad5d83756aec22683_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fobqqghb\
      2⤵
        PID:2548
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wwpcolkm.exe" C:\Windows\SysWOW64\fobqqghb\
        2⤵
          PID:2644
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create fobqqghb binPath= "C:\Windows\SysWOW64\fobqqghb\wwpcolkm.exe /d\"C:\Users\Admin\AppData\Local\Temp\f914186ccbdfd07ad5d83756aec22683_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:928
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description fobqqghb "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2368
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start fobqqghb
          2⤵
          • Launches sc.exe
          PID:2000
        • 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:2324
      • C:\Windows\SysWOW64\fobqqghb\wwpcolkm.exe
        C:\Windows\SysWOW64\fobqqghb\wwpcolkm.exe /d"C:\Users\Admin\AppData\Local\Temp\f914186ccbdfd07ad5d83756aec22683_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2772
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:1648

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        11.0MB

        MD5

        9b79df86aeff90382ad1f97a6ad7dca0

        SHA1

        5ef26c23359198b70e44456d25435974fd4a64be

        SHA256

        90dd72cc9765c3004e1c2c0a949e60c096873a3258438d8d61a678e25a46cdb0

        SHA512

        84b7dc5c49cbc27fbdc8202c438abacf17fce7f781aacd6f1b582813f99690a9ba46a860ade40fdc17158ebb791996827464b92b7aaf28e895ee23e92691ab55

      • memory/1648-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1648-16-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1648-22-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1648-21-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1648-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/1648-13-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2568-1-0x00000000008D0000-0x00000000009D0000-memory.dmp

        Filesize

        1024KB

      • memory/2568-3-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2568-8-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/2568-6-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2568-2-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/2772-12-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2772-11-0x00000000002D0000-0x00000000003D0000-memory.dmp

        Filesize

        1024KB

      • memory/2772-17-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB