Analysis

  • max time kernel
    145s
  • max time network
    129s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 09:20

General

  • Target

    f32ca9eb5d903eab1e1a44925ad6b06d_JaffaCakes118.exe

  • Size

    14.4MB

  • MD5

    f32ca9eb5d903eab1e1a44925ad6b06d

  • SHA1

    bfade70a1efc8b1e6080ba077b11ded84c6459e5

  • SHA256

    bbabfa154211eda8107840625da2a440e6c9ba85aab42a8d870a5f862caf4dbe

  • SHA512

    a22e9a2ed01b8021f5f74af0dded81523a63c907742242d298c1290feaf616f305b4af045a6b31ff862722bd1907f3a9d338ed8707d0f04c721e9a3d44f39ffd

  • SSDEEP

    49152:lc67fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffv:lc6

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\f32ca9eb5d903eab1e1a44925ad6b06d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f32ca9eb5d903eab1e1a44925ad6b06d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1460
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ppfocwri\
      2⤵
        PID:1664
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ualwodxj.exe" C:\Windows\SysWOW64\ppfocwri\
        2⤵
          PID:1956
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ppfocwri binPath= "C:\Windows\SysWOW64\ppfocwri\ualwodxj.exe /d\"C:\Users\Admin\AppData\Local\Temp\f32ca9eb5d903eab1e1a44925ad6b06d_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2996
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description ppfocwri "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2656
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start ppfocwri
          2⤵
          • Launches sc.exe
          PID:2864
        • 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:1220
      • C:\Windows\SysWOW64\ppfocwri\ualwodxj.exe
        C:\Windows\SysWOW64\ppfocwri\ualwodxj.exe /d"C:\Users\Admin\AppData\Local\Temp\f32ca9eb5d903eab1e1a44925ad6b06d_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2684
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:804

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        14.4MB

        MD5

        89a11febe229ab632608598364341a09

        SHA1

        063510e5fd8440626fde093cbafeaac4b57949ce

        SHA256

        6803514d93e6fcc02295eefbe3cdb1b9f821659baf686f922688f5f2616ab0c9

        SHA512

        aa551636b631caae0a14b90e27b41ad266afa1236daa215e382ce7fee089408ecad97f91052dcf93fb57722359f391d34178245b7c0966833d9b9284f15c8f59

      • memory/804-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

        Filesize

        84KB

      • memory/804-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/804-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

        Filesize

        84KB

      • memory/804-19-0x00000000000D0000-0x00000000000E5000-memory.dmp

        Filesize

        84KB

      • memory/804-20-0x00000000000D0000-0x00000000000E5000-memory.dmp

        Filesize

        84KB

      • memory/804-21-0x00000000000D0000-0x00000000000E5000-memory.dmp

        Filesize

        84KB

      • memory/1460-4-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB

      • memory/1460-3-0x00000000001C0000-0x00000000001D3000-memory.dmp

        Filesize

        76KB

      • memory/1460-6-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB

      • memory/1460-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

        Filesize

        1024KB

      • memory/2684-9-0x0000000000D40000-0x0000000000E40000-memory.dmp

        Filesize

        1024KB

      • memory/2684-10-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB

      • memory/2684-15-0x0000000000400000-0x0000000000C1C000-memory.dmp

        Filesize

        8.1MB