Analysis

  • max time kernel
    147s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 20:33

General

  • Target

    2025-01-17_b1fae94afa283654000a8d7a78d1b104_mafia.exe

  • Size

    14.8MB

  • MD5

    b1fae94afa283654000a8d7a78d1b104

  • SHA1

    dde725fd0f524ee49848452bb5be1c7413badf43

  • SHA256

    c8cf802109f95a861a27a25eaae703d5bc220ee2a580d169df49363fe530836d

  • SHA512

    c9cb473738660a1228543461d32cc5ca6b8a964c233a718ff0eefa5190de9417bcf2ab8146e7eb728ea12279f3f99617bedcbb162052cf6be50241eb0d9a84c8

  • SSDEEP

    49152:ZqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPn:ZqtYc3

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\2025-01-17_b1fae94afa283654000a8d7a78d1b104_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-17_b1fae94afa283654000a8d7a78d1b104_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\gagddzae\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3028
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ygvzmktt.exe" C:\Windows\SysWOW64\gagddzae\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2096
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create gagddzae binPath= "C:\Windows\SysWOW64\gagddzae\ygvzmktt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-17_b1fae94afa283654000a8d7a78d1b104_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2552
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description gagddzae "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2488
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start gagddzae
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2716
    • 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:2644
  • C:\Windows\SysWOW64\gagddzae\ygvzmktt.exe
    C:\Windows\SysWOW64\gagddzae\ygvzmktt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-17_b1fae94afa283654000a8d7a78d1b104_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2764
    • 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:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.1MB

    MD5

    20a671c03662511935387bb74be8153b

    SHA1

    55f63ef86a4b4af0d35ca0d35ee78af85f4866d1

    SHA256

    b55246338bcdc1bebe0eeb46362d3cd71d843dff533e21ded99653e0cdd0ca7c

    SHA512

    31c6683296a3aaf4863a893f8d57f3dbd5e1742ced1d11cd72c92969cda60e1e47e5ba117037c1c86c5a589bec74acf74331a700bcbf219751a5b7e125e0cfd3

  • memory/1628-2-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/1628-3-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/1628-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2764-11-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2852-10-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2852-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2852-7-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2852-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2852-15-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB