Analysis

  • max time kernel
    148s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-11-2024 18:58

General

  • Target

    2024-11-06_67e1f186a1b891f22c2e76e7427fd639_mafia.exe

  • Size

    12.0MB

  • MD5

    67e1f186a1b891f22c2e76e7427fd639

  • SHA1

    bbc15cb6b68329ad3de7040b8b68a684d6aa2320

  • SHA256

    ea9c33f87addc3ca9c0ee0c510a022c879a81863b3c6966e8b398a588a549b86

  • SHA512

    3b26c6053b35b44d84a2e9fb5ee50f643a1e9c8dd1562b854cf5fad655aac4cb7ed0d1496cca2cc7d7887825c0ac9a47dcbb92a65187f13048cb4a959557b620

  • SSDEEP

    49152:wVdrl/8HAzGCbGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGGu:wVdrl/9zG

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\2024-11-06_67e1f186a1b891f22c2e76e7427fd639_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-06_67e1f186a1b891f22c2e76e7427fd639_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xbgfwhxo\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1600
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hfmihqof.exe" C:\Windows\SysWOW64\xbgfwhxo\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:496
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create xbgfwhxo binPath= "C:\Windows\SysWOW64\xbgfwhxo\hfmihqof.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-11-06_67e1f186a1b891f22c2e76e7427fd639_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:484
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description xbgfwhxo "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2272
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start xbgfwhxo
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2724
    • 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:2884
  • C:\Windows\SysWOW64\xbgfwhxo\hfmihqof.exe
    C:\Windows\SysWOW64\xbgfwhxo\hfmihqof.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-11-06_67e1f186a1b891f22c2e76e7427fd639_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2848
    • 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:3004

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    14.9MB

    MD5

    de4a8148d7327dd99a7d56e2aa67c489

    SHA1

    c443a7596eee83fc41b2f1210553caa75513a005

    SHA256

    7d4271d60caa502d8243a38d4eff7bcea64ddd98847ec038549cf91b6280bcb5

    SHA512

    32a0e4950d2a96ce9170a14fc98d7ad50f5ca285b2ac497ef8598a52ec983fef06c1a1f67a8e7de8cf4d80ba3c3b48621ba6a3849bd08c8cf0ce9c153dafdc83

  • memory/2552-9-0x00000000005E0000-0x00000000006E0000-memory.dmp

    Filesize

    1024KB

  • memory/2552-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2552-2-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2552-8-0x0000000000220000-0x0000000000233000-memory.dmp

    Filesize

    76KB

  • memory/2552-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2552-1-0x00000000005E0000-0x00000000006E0000-memory.dmp

    Filesize

    1024KB

  • memory/2552-7-0x0000000000400000-0x0000000000518000-memory.dmp

    Filesize

    1.1MB

  • memory/2848-17-0x0000000000400000-0x0000000000518000-memory.dmp

    Filesize

    1.1MB

  • memory/3004-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3004-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3004-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3004-12-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3004-19-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB