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Analysis

  • max time kernel
    151s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2025, 05:29

General

  • Target

    2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe

  • Size

    12.9MB

  • MD5

    eff212229ba9af2ac3d0f94a52a682aa

  • SHA1

    288f0001a18e9cba39a1324cdb245d8809a1b764

  • SHA256

    aa42ecb7a9230f5ac230615ed00a1dc2c048baa879b50e756423f5cb1cd130ec

  • SHA512

    0746c83a2d6855d6880fa69772b66e38906839fcfbff5b97a89b44070b32e8cbe7c3bb6c37e1ae1c02cea487836d0cfd1cb3f8aa677f383cf1a667d3af1a20a5

  • SSDEEP

    49152:XqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPh:XqtYc3U

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\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\relrdqo\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2776
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\conbmwey.exe" C:\Windows\SysWOW64\relrdqo\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2300
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create relrdqo binPath= "C:\Windows\SysWOW64\relrdqo\conbmwey.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2424
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description relrdqo "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2848
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start relrdqo
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2956
    • 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:2852
  • C:\Windows\SysWOW64\relrdqo\conbmwey.exe
    C:\Windows\SysWOW64\relrdqo\conbmwey.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_eff212229ba9af2ac3d0f94a52a682aa_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2876
    • 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:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.2MB

    MD5

    a99b4f7b2c1824bbec9d201a4cc1a06b

    SHA1

    74d7d6d6b6de6031080d3bebd89b31d74a2297f2

    SHA256

    c70da94750371c2dcb1d02468a6ce3b05e6df1bc660a8133b082d9e7d0415e12

    SHA512

    cd4e5ab0885e7c1e4d86ac1e3b96d93bbedda5a131e2b5731e3131a14502c9c5c9fbfaf3ab745efc5530b8b87145025f162b4c70e69a3153374a375e260bf6b4

  • memory/2280-7-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2280-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2280-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2280-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2280-8-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2280-1-0x0000000002F40000-0x0000000003040000-memory.dmp

    Filesize

    1024KB

  • memory/2860-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2860-14-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2860-11-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2860-17-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2860-18-0x00000000000D0000-0x00000000000E5000-memory.dmp

    Filesize

    84KB

  • memory/2876-16-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB