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Analysis

  • max time kernel
    146s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    12/02/2025, 21:34

General

  • Target

    2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe

  • Size

    13.9MB

  • MD5

    fa6269d5097c6b9d281e7202e720f2de

  • SHA1

    a315fd17fbe43fb28c462d3824addcd18f80bbd4

  • SHA256

    19a838115c7b214cc1fd6553919625177c53e59bfc4b91f9cfa722521b541ec4

  • SHA512

    adf3bd1f836896101d78473b8ba78dae05a904f68ee61b1def026c38867c50f33d138d0958f76b3348d2fec0d98a4ba86b026fbcbde423a9715b9cf2a8c49574

  • SSDEEP

    24576:UpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttV:gooz

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\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iqtwuftz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2588
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\easspedr.exe" C:\Windows\SysWOW64\iqtwuftz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2488
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create iqtwuftz binPath= "C:\Windows\SysWOW64\iqtwuftz\easspedr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2572
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description iqtwuftz "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2752
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start iqtwuftz
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2524
    • 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:2820
  • C:\Windows\SysWOW64\iqtwuftz\easspedr.exe
    C:\Windows\SysWOW64\iqtwuftz\easspedr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-12_fa6269d5097c6b9d281e7202e720f2de_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2864
    • 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:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.2MB

    MD5

    5e5ccc0585cab1cc7a2c2aa4765ac527

    SHA1

    5eca657ab854570c848526a020e66cb111ed8e1d

    SHA256

    e33d405c1b5edfce6ac5922403032b20f89341668f7443952ce905289226a1e3

    SHA512

    3d57dd02eaacddd834ccaa394c81c0bdb7265e90ad82068116f46a2b6c1b6d570c5e2f0ff792e3c3d0f0c45ed4c69034906383e1b5f2df73c0b4f54b4bb53835

  • memory/2344-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2344-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2344-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2344-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2344-1-0x0000000000290000-0x0000000000390000-memory.dmp

    Filesize

    1024KB

  • memory/2344-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2860-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2860-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2860-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2860-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2860-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2864-13-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB