Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 09:14

General

  • Target

    f329f7e7424442e2f3b4f34e0bd50041_JaffaCakes118.exe

  • Size

    14.1MB

  • MD5

    f329f7e7424442e2f3b4f34e0bd50041

  • SHA1

    b861682fbd1c1a764cf3bda739c7411e6bb8e716

  • SHA256

    7e960dc939bb25b670835c4733e0d74307ca19b5455fd6d51a75f073d7ab17fd

  • SHA512

    f655bfbc6f32d70959b185202b7d5a37104002d53cff7edd306e7bf5cd36fdd3862e67890838a9ecaea4142cf2de8074e2eee64ff1804bb24a93931f72d2b81c

  • SSDEEP

    24576:cjCj10HSqGgeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeev:c/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\f329f7e7424442e2f3b4f34e0bd50041_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f329f7e7424442e2f3b4f34e0bd50041_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1976
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ghrsdmww\
      2⤵
        PID:2508
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qdzpxezj.exe" C:\Windows\SysWOW64\ghrsdmww\
        2⤵
          PID:2648
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ghrsdmww binPath= "C:\Windows\SysWOW64\ghrsdmww\qdzpxezj.exe /d\"C:\Users\Admin\AppData\Local\Temp\f329f7e7424442e2f3b4f34e0bd50041_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 ghrsdmww "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:2420
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start ghrsdmww
          2⤵
          • Launches sc.exe
          PID:2664
        • 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:2848
      • C:\Windows\SysWOW64\ghrsdmww\qdzpxezj.exe
        C:\Windows\SysWOW64\ghrsdmww\qdzpxezj.exe /d"C:\Users\Admin\AppData\Local\Temp\f329f7e7424442e2f3b4f34e0bd50041_JaffaCakes118.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:2536

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        14.3MB

        MD5

        92d4919d5af59141b9d69bf8d6d3498b

        SHA1

        fd6653b8ccb7f0cd5155358e44728fa0bf04058a

        SHA256

        56cf1945ff05c28ca680b0a6afc6bf767ec2c276dccee098c9a894448528ba7a

        SHA512

        84e4e7e265b07ce37bd0b79956d22c2670546ca557e0b47b27c03dfb2182f7a072d41fa2d4c5e7328990a221abb317453cf5b2fe75b5b60a1c8528b2d0389990

      • memory/1976-1-0x0000000000540000-0x0000000000640000-memory.dmp

        Filesize

        1024KB

      • memory/1976-2-0x0000000000240000-0x0000000000253000-memory.dmp

        Filesize

        76KB

      • memory/1976-3-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/1976-8-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/1976-9-0x0000000000540000-0x0000000000640000-memory.dmp

        Filesize

        1024KB

      • memory/1976-10-0x0000000000240000-0x0000000000253000-memory.dmp

        Filesize

        76KB

      • memory/2504-12-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2504-11-0x0000000000250000-0x0000000000350000-memory.dmp

        Filesize

        1024KB

      • memory/2504-18-0x0000000000400000-0x000000000046E000-memory.dmp

        Filesize

        440KB

      • memory/2536-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2536-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/2536-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/2536-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/2536-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/2536-22-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB

      • memory/2536-23-0x00000000000C0000-0x00000000000D5000-memory.dmp

        Filesize

        84KB