Analysis

  • max time kernel
    149s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-04-2024 16:15

General

  • Target

    ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118.exe

  • Size

    10.3MB

  • MD5

    ffadb7d3707426c5b9998e00b4bea27a

  • SHA1

    561627848b9e53958b25cca7012fbf42684cec57

  • SHA256

    8ccd499069ecdfbdc6b48d295d5e258acf967a60edf962057a74983cd4978708

  • SHA512

    aab949615741b62cc70392c5f133493c624de74f37797664585619d899144628d4ceebdd560b6884b523ab2701ae6703849d419a30c50d7c7e4996d3a8eee480

  • SSDEEP

    49152:0c67fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffX:0c6

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\ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gohilzdu\
      2⤵
        PID:2192
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hiklfidv.exe" C:\Windows\SysWOW64\gohilzdu\
        2⤵
          PID:2332
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create gohilzdu binPath= "C:\Windows\SysWOW64\gohilzdu\hiklfidv.exe /d\"C:\Users\Admin\AppData\Local\Temp\ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:1924
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description gohilzdu "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:832
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start gohilzdu
          2⤵
          • Launches sc.exe
          PID:2464
        • 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:2756
      • C:\Windows\SysWOW64\gohilzdu\hiklfidv.exe
        C:\Windows\SysWOW64\gohilzdu\hiklfidv.exe /d"C:\Users\Admin\AppData\Local\Temp\ffadb7d3707426c5b9998e00b4bea27a_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:2528

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        10.2MB

        MD5

        8fc6b076733570919e793af3838ad8d9

        SHA1

        8ecee90bbc5173099c8632c21d5a1b32783ba901

        SHA256

        78e657d8633ea1b8815d798a77a65cbee9ab6dc826f49389dfebeb6abbf373d4

        SHA512

        74c3f7f664d10bc35a9fc2887654ef5ba64d3f5e3d3ecd59b9b4afb1679ff31385e9bea33566a269ae9f0a0ba81c0fab9b2db0246e2890899297648250ae009e

      • memory/2220-1-0x0000000000D20000-0x0000000000E20000-memory.dmp

        Filesize

        1024KB

      • memory/2220-2-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/2220-4-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB

      • memory/2220-7-0x0000000000220000-0x0000000000233000-memory.dmp

        Filesize

        76KB

      • memory/2220-6-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB

      • memory/2528-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2528-11-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2528-15-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2528-20-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2528-21-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2528-22-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2908-13-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB

      • memory/2908-10-0x0000000000D60000-0x0000000000E60000-memory.dmp

        Filesize

        1024KB

      • memory/2908-17-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB