Analysis

  • max time kernel
    147s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 13:04

General

  • Target

    2025-02-07_21bab2b2396f9666734d4fa8ecb7c391_mafia.exe

  • Size

    14.5MB

  • MD5

    21bab2b2396f9666734d4fa8ecb7c391

  • SHA1

    cc0110f22a0e113277447eeb0977b1fe0f092b42

  • SHA256

    113204d499543435f6256751082b03e43cbfa3e5aaf4ac2ae72791dc1d5b1c4e

  • SHA512

    33b705f9d6465f2a42c7f24976e05142e6e6b8295056a20d3ccc96fd711a6546d14a9c7ca0f1e9d43472002913b498045716db8a76116e5c70adc151803556cf

  • SSDEEP

    24576:i6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQM:rWdLQkW

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\2025-02-07_21bab2b2396f9666734d4fa8ecb7c391_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_21bab2b2396f9666734d4fa8ecb7c391_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iqrsjxxa\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nmacqnog.exe" C:\Windows\SysWOW64\iqrsjxxa\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2884
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create iqrsjxxa binPath= "C:\Windows\SysWOW64\iqrsjxxa\nmacqnog.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_21bab2b2396f9666734d4fa8ecb7c391_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2868
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description iqrsjxxa "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2644
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start iqrsjxxa
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • 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:2652
  • C:\Windows\SysWOW64\iqrsjxxa\nmacqnog.exe
    C:\Windows\SysWOW64\iqrsjxxa\nmacqnog.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_21bab2b2396f9666734d4fa8ecb7c391_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2616
    • 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:2668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.6MB

    MD5

    f53cb92da5803a945d0c34d406018ec2

    SHA1

    db2beb1792fb8bd96150999f4cbc09f2cb21b82b

    SHA256

    9c659998733e821537451638fba8dd881c6baef3f9c946447291ec934c6c261d

    SHA512

    ab54cd7ae8f1f13195185809c9c2aa0655e8eadcbaf815c82385cfb02035d40aaea29a42998b3181d363c9ee4a7b09e38b856d46fe1d326ca6f38b984d14304a

  • memory/2616-15-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2668-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2668-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2668-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2668-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2768-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2768-7-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2768-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2768-1-0x0000000000600000-0x0000000000700000-memory.dmp

    Filesize

    1024KB

  • memory/2768-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB