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Analysis

  • max time kernel
    144s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2025, 11:04

General

  • Target

    2025-01-27_18f9339a95fac76942d8999f633c3aa3_mafia.exe

  • Size

    12.8MB

  • MD5

    18f9339a95fac76942d8999f633c3aa3

  • SHA1

    0a791317aeba1090788020b6a0977a9936cdac24

  • SHA256

    8c93a1ad3becf7fd178c2526ef33212acb7a6b1fb7dd4bc717e13934fdd8f127

  • SHA512

    df367f27bb475073eff4060bed9a6053437bd0c3e5926a48798cb4ab1d45c63c9676252e782b8557e406895504e3ea7658d7dfaa01eccc9da9341265b0660634

  • SSDEEP

    24576:PEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZk:MfotG

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\2025-01-27_18f9339a95fac76942d8999f633c3aa3_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_18f9339a95fac76942d8999f633c3aa3_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\eefezaw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gidjcpz.exe" C:\Windows\SysWOW64\eefezaw\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2408
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create eefezaw binPath= "C:\Windows\SysWOW64\eefezaw\gidjcpz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_18f9339a95fac76942d8999f633c3aa3_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2576
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description eefezaw "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2712
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start eefezaw
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2548
    • 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:2592
  • C:\Windows\SysWOW64\eefezaw\gidjcpz.exe
    C:\Windows\SysWOW64\eefezaw\gidjcpz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_18f9339a95fac76942d8999f633c3aa3_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1224
    • 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:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.6MB

    MD5

    5cc38bd732910c23ecf0e6300c0d9868

    SHA1

    569ca40bd216e51f63e25f7d4cee7ad1b1b20d33

    SHA256

    41cfe52d4aa4a5b97f7295230afd9be31e6d84af5a9aa8f710c9e7c6218ec3ee

    SHA512

    aa12866d6eb39ee7c91446aafe89f06f34a6802a6f8ed311baa83492d72cf996eefa0e282963ad215ba161b59b9868b872e6fb928536ea10011ca52283d59127

  • memory/1224-12-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2704-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2704-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2704-1-0x0000000000270000-0x0000000000370000-memory.dmp

    Filesize

    1024KB

  • memory/2704-14-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2704-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2704-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/3016-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3016-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3016-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3016-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3016-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB