Analysis

  • max time kernel
    145s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2025 06:25

General

  • Target

    2025-02-04_754058452e09ed1a3f2b5b73fc9be5a5_mafia.exe

  • Size

    13.6MB

  • MD5

    754058452e09ed1a3f2b5b73fc9be5a5

  • SHA1

    06222c354e0941b445039a62e2c37d71846c3264

  • SHA256

    aececfea324bf665d787ab945881605e7f34a64638dcdd024bed9d2126b3a231

  • SHA512

    913fdf322a44f276f2b37fb51f121b441c4df71ff474f3cd3f647d0d514fa19226e31b30860913e3b5efbf3b83b4ac3d45f51707625238cd4cf460dd7ab5c6be

  • SSDEEP

    24576:qpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttZ:+ooP

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\2025-02-04_754058452e09ed1a3f2b5b73fc9be5a5_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-04_754058452e09ed1a3f2b5b73fc9be5a5_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2952
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\oawxrmli\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2768
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aabmhigo.exe" C:\Windows\SysWOW64\oawxrmli\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2964
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create oawxrmli binPath= "C:\Windows\SysWOW64\oawxrmli\aabmhigo.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-04_754058452e09ed1a3f2b5b73fc9be5a5_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2988
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description oawxrmli "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2716
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start oawxrmli
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2672
    • 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:484
  • C:\Windows\SysWOW64\oawxrmli\aabmhigo.exe
    C:\Windows\SysWOW64\oawxrmli\aabmhigo.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-04_754058452e09ed1a3f2b5b73fc9be5a5_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2724
    • 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:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.0MB

    MD5

    36ad05ce6c61ccfceca5a7534894fbf5

    SHA1

    5eb91e54171f4847e6a6526db26b4a9801eb41a9

    SHA256

    c9214ddf5404aa45c3e202ece7eeaec8c7c88a7229d46476836b55e6a1bfda63

    SHA512

    3d4fadda6fcc25313e4e6f2666f45708501b0710fe732c06956046b5db7d0513d19508188670c0937f0a5317e0016893498709b3d41e40ad2f50f53fcf8c9c9c

  • memory/2548-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2548-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2548-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2548-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2548-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2724-12-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2952-1-0x00000000005A0000-0x00000000006A0000-memory.dmp

    Filesize

    1024KB

  • memory/2952-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2952-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2952-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2952-15-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2952-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB