Analysis

  • max time kernel
    144s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2025 09:27

General

  • Target

    2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe

  • Size

    10.6MB

  • MD5

    6b076874c6200d76d204917cf7c71d9a

  • SHA1

    45879ab3bc8fcd0e5e3af42313066f5bc3160cc9

  • SHA256

    338ea31e70c7bf2d624456f598f5e3fab2682d2c488f1640d7cd3edac83eae6b

  • SHA512

    4df0a824f18bc63bde91b77d38b3ce11784a5e8dc668004abacde6bd3d72b1eff8a7c684800b43a922a689400be8f04ba4e1634396a7f70793fa9237677c4dab

  • SSDEEP

    6144:9LQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:uTYe+D2jFu+iZoUFhAz

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.

  • Tofsee family
  • 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.

  • System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qiqgecgf\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2820
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cwwnyhya.exe" C:\Windows\SysWOW64\qiqgecgf\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2656
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create qiqgecgf binPath= "C:\Windows\SysWOW64\qiqgecgf\cwwnyhya.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2940
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description qiqgecgf "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2296
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start qiqgecgf
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2684
    • 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
      • System Location Discovery: System Language Discovery
      PID:2548
  • C:\Windows\SysWOW64\qiqgecgf\cwwnyhya.exe
    C:\Windows\SysWOW64\qiqgecgf\cwwnyhya.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-24_6b076874c6200d76d204917cf7c71d9a_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Windows security bypass
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.6MB

    MD5

    02eadca5e86dcefec02a5f5cae590127

    SHA1

    a69202afa5ded3738843891e3302a5accb4cbd93

    SHA256

    131e7d05a811b538b1749154e576f05e0230a442613f3f5e674a0d5609eef6b9

    SHA512

    17939c9d3980529614f9385374cbcf5a05ab67d31f9dc901cd1ba1d0a4b8c4c020fbd9ad94d40da8f029ab725b5b8de128a10531eea2bbe458eb3c3ea89e2328

  • memory/1728-7-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/1728-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1728-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/1728-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1728-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1728-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2600-17-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/3016-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3016-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3016-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3016-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3016-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB