Analysis

  • max time kernel
    143s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-01-2025 20:01

General

  • Target

    2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe

  • Size

    10.7MB

  • MD5

    f7e37203241990cb2daf5a06e0ac5b9c

  • SHA1

    5887dc7c0997f274dc130d29a1fbdff2191a958c

  • SHA256

    d322561afeb8e4953a33970d44b4d6df00479d61c6b8eed3cb6be8a7e7ef57e3

  • SHA512

    cc3d27268fbc85c1af01023f3e5071bd01c40235006af28f2eca524108d2099a8195726c820f9facfcf1d562d760a866917e1b53f9a3924bfb0555e6c5b716b4

  • SSDEEP

    6144:fLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQQ:ETYe+D2jFu+iZoUFhAz

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\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2648
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\edkuboju\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2772
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\baoqebcu.exe" C:\Windows\SysWOW64\edkuboju\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2688
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create edkuboju binPath= "C:\Windows\SysWOW64\edkuboju\baoqebcu.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2824
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description edkuboju "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 edkuboju
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2712
    • 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:2548
  • C:\Windows\SysWOW64\edkuboju\baoqebcu.exe
    C:\Windows\SysWOW64\edkuboju\baoqebcu.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-13_f7e37203241990cb2daf5a06e0ac5b9c_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:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.2MB

    MD5

    f4a5490bc5fab5c7be8ff3cb97ffacc8

    SHA1

    c20f7866162c003d91caf3e2937d5934ffee3422

    SHA256

    8a039f64cafe819e626dd358521e47b526006aef4ce2796b72b524da83df4f1c

    SHA512

    0a37f728137a71855e0d82312464be3a7f33a781a42d9ebad9956c3b80608f8e5379814a088452f74fc120526f56c5e704a0f3b6e048d4613a3aa99f6af3ae44

  • memory/2588-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2588-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2588-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2588-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2588-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2648-1-0x0000000000580000-0x0000000000680000-memory.dmp

    Filesize

    1024KB

  • memory/2648-3-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2648-2-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2648-9-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2648-8-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2764-17-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB