Analysis

  • max time kernel
    148s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 08:41

General

  • Target

    f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe

  • Size

    13.0MB

  • MD5

    f31cde8973df6ea521b90fdf8227374e

  • SHA1

    8bf7046fa636123c79e9e333f11c676364d038d0

  • SHA256

    bbc6f4150ca247ebe2375c8c2041830d73a2c3c09df021f2c69c5ba16b4912b8

  • SHA512

    1f20e1a8bc4914f9f774748b7d2d639506dc5d7ffdc288eb3c7f77aa8df2671c4c968dcf55f47556bee8dbe0e19c6785e538c813e7669ddd85733f82034b92e6

  • SSDEEP

    12288:awyc+f7Y47sgQhihFAXE6iPzp666666666666666666666666666666666666662:aw+f7VQhBW

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

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\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ofbanuwk\
      2⤵
        PID:2708
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qkmpihh.exe" C:\Windows\SysWOW64\ofbanuwk\
        2⤵
          PID:2944
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ofbanuwk binPath= "C:\Windows\SysWOW64\ofbanuwk\qkmpihh.exe /d\"C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2616
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description ofbanuwk "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2628
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start ofbanuwk
          2⤵
          • Launches sc.exe
          PID:2548
        • 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:2468
      • C:\Windows\SysWOW64\ofbanuwk\qkmpihh.exe
        C:\Windows\SysWOW64\ofbanuwk\qkmpihh.exe /d"C:\Users\Admin\AppData\Local\Temp\f31cde8973df6ea521b90fdf8227374e_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:2392

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        10.0MB

        MD5

        eba9e85ca7583e1867b73a03262aee00

        SHA1

        c0beb04e81fc46956d773db5eb04e244e774e2fc

        SHA256

        eb8c5decb0eafbe4f148008a65cba40c59c1d191fd6f2050cd6056a0f10ae8b7

        SHA512

        963bcd96ad2710a9cec76745415af1566df5a3dfacc9027f2a5adae11ed291e2de581f6efa582ec9696db5976c5a572f3ca5a41ab6abcbd24cf53a07c4969b18

      • memory/1936-1-0x0000000000CD0000-0x0000000000DD0000-memory.dmp

        Filesize

        1024KB

      • memory/1936-2-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/1936-4-0x0000000000400000-0x0000000000C13000-memory.dmp

        Filesize

        8.1MB

      • memory/1936-7-0x0000000000400000-0x0000000000C13000-memory.dmp

        Filesize

        8.1MB

      • memory/2392-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2392-10-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2392-14-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2392-18-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2392-19-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2392-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2392-21-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2528-9-0x0000000000CF0000-0x0000000000DF0000-memory.dmp

        Filesize

        1024KB

      • memory/2528-12-0x0000000000400000-0x0000000000C13000-memory.dmp

        Filesize

        8.1MB

      • memory/2528-15-0x0000000000400000-0x0000000000C13000-memory.dmp

        Filesize

        8.1MB