Analysis

  • max time kernel
    146s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-01-2025 20:46

General

  • Target

    2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe

  • Size

    14.7MB

  • MD5

    d6c6995eda7d5ae7cc5a7be0bb7eba8d

  • SHA1

    1b27e433065b4364f360759dbacf351072b7bbe7

  • SHA256

    cdb4d297bc53dcf661f9f58812fd44e494a64760a4dea483f8f89bee9791e2a4

  • SHA512

    e8db003a63ab17dc3b4c566027e69899b00f4bd981905b5c9e642df9e79b3fc2c24bd3ed239af27a5f9920a9a9f70e31a4463c9884a03db0ad08380b14472738

  • SSDEEP

    49152:wqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:wqtYc3

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\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xiqtbnkv\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gaarclce.exe" C:\Windows\SysWOW64\xiqtbnkv\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2484
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create xiqtbnkv binPath= "C:\Windows\SysWOW64\xiqtbnkv\gaarclce.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3048
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description xiqtbnkv "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2200
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start xiqtbnkv
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2052
    • 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:2480
  • C:\Windows\SysWOW64\xiqtbnkv\gaarclce.exe
    C:\Windows\SysWOW64\xiqtbnkv\gaarclce.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-18_d6c6995eda7d5ae7cc5a7be0bb7eba8d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2832
    • 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:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.7MB

    MD5

    6318219e47326940bedbba8cf354dd24

    SHA1

    ff83e6cd1917f7f383eab9661d077feb5ec5de18

    SHA256

    058a4b0cbcd8d007a10abd24a3c4abf244a043d0b7aba2c09f7aed9177beb2b1

    SHA512

    bf0655b83e182eb37599bf46fa02edca7c75a15569c716abf17cd8f9531ada94535dd1154e32e9f274bd1b7553f43a051ad69bb1dcd2c55aded644dc1746dfda

  • memory/372-1-0x0000000002EC0000-0x0000000002FC0000-memory.dmp

    Filesize

    1024KB

  • memory/372-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/372-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/372-15-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/372-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2772-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2772-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2772-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2772-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2832-12-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB