Analysis

  • max time kernel
    156s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 21:13

General

  • Target

    2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe

  • Size

    10.3MB

  • MD5

    c2852932f1ca29aeedd95eaf207fefa0

  • SHA1

    30b20c6e0a97f88d03ae9afa014e54c759c2e719

  • SHA256

    ddb15f06bcdd564fa338a83939d20cb6a09a78dbba5ea6fd369ad7d38a1c9c39

  • SHA512

    d30b16acb0fdfb2f872161363f8ce4021a29126eae8e4ba1585c5d08c5937c751c7029dc78709a72984b18076e6708d2fc3bbb3217834c44dde455e72b34ef5c

  • SSDEEP

    24576:lEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZT:ufot

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_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xtfmrtsq\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2900
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bwasitvt.exe" C:\Windows\SysWOW64\xtfmrtsq\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3064
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create xtfmrtsq binPath= "C:\Windows\SysWOW64\xtfmrtsq\bwasitvt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3044
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description xtfmrtsq "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2824
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start xtfmrtsq
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2712
    • 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:2688
  • C:\Windows\SysWOW64\xtfmrtsq\bwasitvt.exe
    C:\Windows\SysWOW64\xtfmrtsq\bwasitvt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_c2852932f1ca29aeedd95eaf207fefa0_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1980
    • 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:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.0MB

    MD5

    d4122e38bf936ad1f08e415b44ebb983

    SHA1

    4b78007e53c38e68477c7796df880b61b811167b

    SHA256

    97556268bba6617210aaec082fde2e7ccb263d8f0c97166fa02a16b3bf2c326a

    SHA512

    7509133075f42b805f883a1ba595dec590114db7dde18eacc596a3eaf909f3b8ec33871475870f1becb909f25f93605c0afe23d922f1acff865752545e04da8a

  • memory/1328-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1328-14-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/1328-11-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/1328-17-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/1328-18-0x0000000000090000-0x00000000000A5000-memory.dmp

    Filesize

    84KB

  • memory/1980-15-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2852-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2852-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2852-7-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2852-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2852-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2852-1-0x0000000000890000-0x0000000000990000-memory.dmp

    Filesize

    1024KB