Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05-02-2025 15:50

General

  • Target

    2025-02-05_3b9857de29e1beb7de6ec52a79d8b613_mafia.exe

  • Size

    12.4MB

  • MD5

    3b9857de29e1beb7de6ec52a79d8b613

  • SHA1

    55ca43e75483ae2de702728cc266484a4bc54792

  • SHA256

    25cd89351dd05bd4bc33b2a498ef0b672064f388c004129cdcfd1ef497ccff12

  • SHA512

    902a1ff4a0ff1e6e23c13a231843620ce9667bb0fca2c4170772e9a07e4b026146e565cb170efac070c4bae54d924406c3bddefe4698c0ca2f5a80bea102ea9e

  • SSDEEP

    49152:zqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPy: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\2025-02-05_3b9857de29e1beb7de6ec52a79d8b613_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-05_3b9857de29e1beb7de6ec52a79d8b613_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2100
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mdouzaxl\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ducakfma.exe" C:\Windows\SysWOW64\mdouzaxl\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2916
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create mdouzaxl binPath= "C:\Windows\SysWOW64\mdouzaxl\ducakfma.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3b9857de29e1beb7de6ec52a79d8b613_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3068
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description mdouzaxl "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2940
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start mdouzaxl
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • 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:2744
  • C:\Windows\SysWOW64\mdouzaxl\ducakfma.exe
    C:\Windows\SysWOW64\mdouzaxl\ducakfma.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-05_3b9857de29e1beb7de6ec52a79d8b613_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • 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:2760

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    14.3MB

    MD5

    bdfff05dd7ad370dd82adf8c9fd8bc94

    SHA1

    2b4a6cef5342cdc9925bd36acecb2e0ba55be21b

    SHA256

    4691b2fd4ae32c2e070e45a44ddf3ffe2a75df9c997c34fd8f0aaa8b25911305

    SHA512

    55a6fedebea9b742eef125823381d201606566571cea225ccc5ea1bbbc5c74655a330303ec63ac8bdbdf0355ecbbfe1e11c9640f411b7a2aea96a0baf5fb7629

  • memory/2100-1-0x0000000000230000-0x0000000000330000-memory.dmp

    Filesize

    1024KB

  • memory/2100-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2100-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2100-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2100-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2100-8-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2548-17-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2760-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2760-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2760-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2760-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2760-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB