Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-01-2025 18:03

General

  • Target

    2025-01-11_2dfe303a8bce485655bbee496bdda343_mafia.exe

  • Size

    11.2MB

  • MD5

    2dfe303a8bce485655bbee496bdda343

  • SHA1

    879b61d37204ee1b2bb55674e2bc2b187c6f57a9

  • SHA256

    ba2d6e98aa3eecb49c8f607224c64c4d6d0af080244f2320d81fdcc926452d2e

  • SHA512

    3c5c0ab522de386301c2275358ee1dda2a7e285e8b19ad32f249f26eb8c5b91ba65a46d12d1ad1dcc0b56eff4f455b8833795a5829ca85a7f5edef912b95a13f

  • SSDEEP

    24576:GpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttl:Koo

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\2025-01-11_2dfe303a8bce485655bbee496bdda343_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-11_2dfe303a8bce485655bbee496bdda343_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2580
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gqmbjoff\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\eqpdoyga.exe" C:\Windows\SysWOW64\gqmbjoff\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2532
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create gqmbjoff binPath= "C:\Windows\SysWOW64\gqmbjoff\eqpdoyga.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-11_2dfe303a8bce485655bbee496bdda343_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2348
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description gqmbjoff "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:576
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start gqmbjoff
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2848
    • 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:2464
  • C:\Windows\SysWOW64\gqmbjoff\eqpdoyga.exe
    C:\Windows\SysWOW64\gqmbjoff\eqpdoyga.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-11_2dfe303a8bce485655bbee496bdda343_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3036
    • 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:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.2MB

    MD5

    84c242e1083fe80d51413c9f9f6cf940

    SHA1

    6e6b31fc4426b60c40787253fe977fdf0fa0814f

    SHA256

    e6e25472e21286eda2ac8390d9ffa6f057d5daa0de201b5d9f2a62467f127f04

    SHA512

    ddffc0d21182e87303a6ac01e111e130165773f7ccdf28e8b4975e8b9132ecb5a2052b8fd7e231aed41d08ee8ba4bb3fde801efa0cb823531706e12f1a053485

  • memory/2580-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2580-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2580-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2580-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2580-9-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/2580-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

    Filesize

    1024KB

  • memory/2580-7-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2724-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2724-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2724-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2724-12-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2724-19-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3036-18-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB