Analysis

  • max time kernel
    146s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    22-01-2025 19:30

General

  • Target

    2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe

  • Size

    14.7MB

  • MD5

    7633c8ebac801ccf8b5f5c6255fb0290

  • SHA1

    01b1b6c617411eaca7b3e453bc0a5411003449f1

  • SHA256

    3b31745de060c31dcb4975f5fbc89419a637e03b80f312984bb145491179e32f

  • SHA512

    40c073563927ebc5ea93d3010823bac125589068940b2eed387b4d3cf87c4089e18299909b893e6eca58c7e05467072d0b8ea11b18aa23739a456f2e5ed45171

  • SSDEEP

    24576:C6WdLQkyQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQQY:LWdLQk

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\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ictfgoqd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2868
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ejtoiurt.exe" C:\Windows\SysWOW64\ictfgoqd\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2576
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ictfgoqd binPath= "C:\Windows\SysWOW64\ictfgoqd\ejtoiurt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2728
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ictfgoqd "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2592
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ictfgoqd
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2624
    • 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:2600
  • C:\Windows\SysWOW64\ictfgoqd\ejtoiurt.exe
    C:\Windows\SysWOW64\ictfgoqd\ejtoiurt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-22_7633c8ebac801ccf8b5f5c6255fb0290_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2564
    • 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:2272

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.6MB

    MD5

    7a47076783dcd4d1ace87989c4c2b7e8

    SHA1

    09822e889b508a6e9e0befe7fd730cd74715a376

    SHA256

    0ed2b7952b5d1fda6c54a4827adb7d6f724f2b165012d0c1cafa97fae682e739

    SHA512

    1bb281b94207dccf512ac149bec2333737ff9620389a35f186bdb6f92328dd2ea3886b726c17953a9db282fbf6bb45398a6d1a7ffe39e066284ebf0f1206083e

  • memory/2272-14-0x0000000000120000-0x0000000000135000-memory.dmp

    Filesize

    84KB

  • memory/2272-18-0x0000000000120000-0x0000000000135000-memory.dmp

    Filesize

    84KB

  • memory/2272-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2272-16-0x0000000000120000-0x0000000000135000-memory.dmp

    Filesize

    84KB

  • memory/2272-11-0x0000000000120000-0x0000000000135000-memory.dmp

    Filesize

    84KB

  • memory/2564-17-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2672-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2672-8-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2672-1-0x0000000000250000-0x0000000000350000-memory.dmp

    Filesize

    1024KB

  • memory/2672-7-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2672-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2672-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB