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Analysis

  • max time kernel
    145s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26/01/2025, 18:49

General

  • Target

    2025-01-26_eaf1c52f2fc5ea258111fcae8a188e94_mafia.exe

  • Size

    11.2MB

  • MD5

    eaf1c52f2fc5ea258111fcae8a188e94

  • SHA1

    b1136f6d9f51748cd885f001d299227be1f8030a

  • SHA256

    c187031a129855f7c175d53ea08fbc3251e4effd126ea02c1e10437e36b7d4f2

  • SHA512

    fa5fbcba150d8286a33e03914e1467db04dee6e4a262f12433abbe8db0302e2c90c666cff6ee413208341b1992e5c4caff35b9db23172fa41d01e6b314bed569

  • SSDEEP

    196608:0yXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:JXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXH

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\2025-01-26_eaf1c52f2fc5ea258111fcae8a188e94_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-26_eaf1c52f2fc5ea258111fcae8a188e94_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1736
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\iaonsfr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2336
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\vppgrart.exe" C:\Windows\SysWOW64\iaonsfr\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2532
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create iaonsfr binPath= "C:\Windows\SysWOW64\iaonsfr\vppgrart.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_eaf1c52f2fc5ea258111fcae8a188e94_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2060
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description iaonsfr "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2716
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start iaonsfr
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2836
    • 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:484
  • C:\Windows\SysWOW64\iaonsfr\vppgrart.exe
    C:\Windows\SysWOW64\iaonsfr\vppgrart.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_eaf1c52f2fc5ea258111fcae8a188e94_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2888
    • 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:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.1MB

    MD5

    dc6892d29085341679d60108fae3aad6

    SHA1

    d5569447b9ee4771dacdddfb8ee3e28480833ab2

    SHA256

    c8e2e47fa54260ee7abcf979f60fe5c81e3e915a7f1ce1da63edb2e8c25c125a

    SHA512

    ef87f73013965711e6f3d3da13c707abefcfd00d741723c83a707d049a9b05cb0389d2750b154208868f180bd6ee63ac8f83546a010f087e6f784f8c6c27e5ee

  • memory/1736-16-0x00000000005D0000-0x00000000006D0000-memory.dmp

    Filesize

    1024KB

  • memory/1736-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1736-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1736-17-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1736-1-0x00000000005D0000-0x00000000006D0000-memory.dmp

    Filesize

    1024KB

  • memory/1736-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1736-14-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2752-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2752-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2752-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2752-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2752-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2888-13-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB