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Analysis

  • max time kernel
    147s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    09/07/2024, 11:47

General

  • Target

    2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe

  • Size

    10.3MB

  • MD5

    1db98a402157b472c886344ddf6e0a21

  • SHA1

    ab07ed1f0464df94c2757b4b9c54dfd33fe7ee7d

  • SHA256

    92d6e1b4165db1deb01836a96e099495ed1f0acfc7a26083bf16a532ebcdc845

  • SHA512

    44432589c245145288d67af531f5ac6dc36d703cade711e60fc58f495274c45b836498e3de18a840e92529015f5c09996d84934bc14443d3efcb35543e377fe2

  • SSDEEP

    6144:8+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:8+r1IeSXMXc7LlxWV4Ug97GZ+ej

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

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) 2 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).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\fflvfqqe\
      2⤵
        PID:2332
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hgwszva.exe" C:\Windows\SysWOW64\fflvfqqe\
        2⤵
          PID:2844
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create fflvfqqe binPath= "C:\Windows\SysWOW64\fflvfqqe\hgwszva.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2268
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description fflvfqqe "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:3004
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start fflvfqqe
          2⤵
          • Launches sc.exe
          PID:2744
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          PID:2668
      • C:\Windows\SysWOW64\fflvfqqe\hgwszva.exe
        C:\Windows\SysWOW64\fflvfqqe\hgwszva.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-07-09_1db98a402157b472c886344ddf6e0a21_mafia.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Windows security bypass
          • Sets service image path in registry
          • Deletes itself
          PID:2676

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

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

        Filesize

        14.4MB

        MD5

        0ed142ab9b8545b06b4e583aa04cf2cc

        SHA1

        5ae9ff4a51653ffcd6a03291cf8c9ec4f1079a83

        SHA256

        b0062719e56c9361cd297f4ad53b3a874916c9022fd2f0e927ca4d9bd6dfa836

        SHA512

        d76f303ed8fd9c9a8ac5416748da4ba3270fd53a8165b94c54227105af1657ed34b1721bb5690e452f61d9af80f4cc6763817ce5b29b0a18b9f2e2e9ad016aab

      • memory/708-1-0x0000000000270000-0x0000000000370000-memory.dmp

        Filesize

        1024KB

      • memory/708-2-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/708-6-0x0000000000400000-0x0000000000415000-memory.dmp

        Filesize

        84KB

      • memory/708-5-0x0000000000400000-0x000000000051A000-memory.dmp

        Filesize

        1.1MB

      • memory/2676-12-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2676-9-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-14-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2676-16-0x0000000000080000-0x0000000000095000-memory.dmp

        Filesize

        84KB

      • memory/2700-15-0x0000000000400000-0x000000000051A000-memory.dmp

        Filesize

        1.1MB