Analysis

  • max time kernel
    143s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-02-2025 20:20

General

  • Target

    2025-02-02_7baf89bfa4b189fa487b389f45d22c0b_mafia.exe

  • Size

    13.3MB

  • MD5

    7baf89bfa4b189fa487b389f45d22c0b

  • SHA1

    09ab6a993e1c0f7ee013fbea1d10edddeb96ee4d

  • SHA256

    ed98b31af733799ca5a4b743a628943249659438e24e73b4ea807b28ded5c550

  • SHA512

    b528858aeb2de36ee2ae79d3e332f4059519ad70d0a19dd6179035c82854734cc4f8ccf277477bdd7929ee9f9157392a6227a3fb7a68ce97f6b11b9c087bc41e

  • SSDEEP

    24576:uEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZx:Hfot

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\2025-02-02_7baf89bfa4b189fa487b389f45d22c0b_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-02_7baf89bfa4b189fa487b389f45d22c0b_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2508
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\epgjhkzb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2064
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dmgldcxt.exe" C:\Windows\SysWOW64\epgjhkzb\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2736
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create epgjhkzb binPath= "C:\Windows\SysWOW64\epgjhkzb\dmgldcxt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-02_7baf89bfa4b189fa487b389f45d22c0b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2760
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description epgjhkzb "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2612
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start epgjhkzb
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2724
    • 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:2632
  • C:\Windows\SysWOW64\epgjhkzb\dmgldcxt.exe
    C:\Windows\SysWOW64\epgjhkzb\dmgldcxt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-02_7baf89bfa4b189fa487b389f45d22c0b_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2908
    • 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:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    14.7MB

    MD5

    731fad0a064ab715ddd85f02370c7ef0

    SHA1

    cbbb4189855338b072da78d49f19a4b4ae17b6db

    SHA256

    00258c62fd502d3812381f171e2a1d809504c67b4bee889fda0e50b7de745486

    SHA512

    0524f6d972aa2377605a8c2281205b1f607128c3d5dd89b54def85f41b0374d65056883f83e63d31829289b8554d00d0bb5f491c958e9e3e5649c75a1a27bc4c

  • memory/2508-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2508-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2508-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2508-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2508-9-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/2508-1-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/2508-7-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2608-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2608-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-12-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2608-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2608-19-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2908-16-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB