Analysis

  • max time kernel
    153s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 21:09

General

  • Target

    2025-02-07_6ee9226710bb8699ef5f452e380c4de8_mafia.exe

  • Size

    12.5MB

  • MD5

    6ee9226710bb8699ef5f452e380c4de8

  • SHA1

    8e43b97c6004e2516ff881b332064e09082e5d20

  • SHA256

    8483bbd86586a50151697d7e8db5f96c7a01ff84b500d216df2b505e6e06c39d

  • SHA512

    b2fb1198773a91792b34cd79429c36fd54e8a339d181892383546387c153e5550866aaab589404b2a63e25591186818b7800b176c60bbcdb58947324cd76d252

  • SSDEEP

    24576:QpomTTN9tttttttttttttttttttttttttttttttttttttttttttttttttttttttn:coo

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_6ee9226710bb8699ef5f452e380c4de8_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-07_6ee9226710bb8699ef5f452e380c4de8_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xdkzapwr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2872
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zhwanluu.exe" C:\Windows\SysWOW64\xdkzapwr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2956
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create xdkzapwr binPath= "C:\Windows\SysWOW64\xdkzapwr\zhwanluu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-07_6ee9226710bb8699ef5f452e380c4de8_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2876
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description xdkzapwr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2980
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start xdkzapwr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2904
    • 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:3024
  • C:\Windows\SysWOW64\xdkzapwr\zhwanluu.exe
    C:\Windows\SysWOW64\xdkzapwr\zhwanluu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-07_6ee9226710bb8699ef5f452e380c4de8_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2848
    • 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:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    10.5MB

    MD5

    ac5da2f0f37074f41a649d48a7591771

    SHA1

    81bae2b32e95c53f7fe1688766b14532d304c9e9

    SHA256

    91b15bac99c57d22a94e8dc37ca58e943f4fa4aebb81af9df4a624574ef60658

    SHA512

    9e0ac5310d4e599f344954d2bde14ed305195fba7047550654d97c1cb35698b0b2273cf8b51b016699d07286ca884378b9232d999ceeabec6efcbaa7752e42ed

  • memory/2092-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2092-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2092-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2092-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2092-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2848-15-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3008-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3008-1-0x0000000000600000-0x0000000000700000-memory.dmp

    Filesize

    1024KB

  • memory/3008-6-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/3008-7-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/3008-8-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3008-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB