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 11:09

General

  • Target

    2025-01-27_d0b86455db24c48c02e9c9c129a7f98e_mafia.exe

  • Size

    11.7MB

  • MD5

    d0b86455db24c48c02e9c9c129a7f98e

  • SHA1

    23b5fdd772bfcc4e8f05a37b9f570de988651afb

  • SHA256

    4b50c7d858cfb0f17475894bb2e4594f1661d3d820e701c717ce35ecef8816a3

  • SHA512

    66e975202ea3ef667e99f81a80bcd7f9a5e16c8f2eb31b704e08625b5aa467fd671d56d74019f1b8fa21b164a3dc358fe34102f306a98ca48f0d1991c5f313c3

  • SSDEEP

    49152:0qE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPO:0qtYc3h

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_d0b86455db24c48c02e9c9c129a7f98e_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_d0b86455db24c48c02e9c9c129a7f98e_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\olzgwwod\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zuyqgrtr.exe" C:\Windows\SysWOW64\olzgwwod\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:932
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create olzgwwod binPath= "C:\Windows\SysWOW64\olzgwwod\zuyqgrtr.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_d0b86455db24c48c02e9c9c129a7f98e_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2852
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description olzgwwod "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2652
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start olzgwwod
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2756
    • 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:2788
  • C:\Windows\SysWOW64\olzgwwod\zuyqgrtr.exe
    C:\Windows\SysWOW64\olzgwwod\zuyqgrtr.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_d0b86455db24c48c02e9c9c129a7f98e_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2804
    • 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:580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    14.9MB

    MD5

    99f65f4ddb8945e8854021f9c2a0dbff

    SHA1

    a0325383e78ca77b58844b4d8d5a4036a8a66b25

    SHA256

    f24de00dd0f21f382fb42034498b688fde16a4c6de14d2f9cb94bbeab1f89bd7

    SHA512

    f3ca13ed187c34a29fb04581a2bd1f20087eced1baaba565627a53ce705cfea5948a6229dc88834a099d626a2b588e2d1bdab09486a22032893be0e5037a7359

  • memory/580-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/580-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/580-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/580-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/580-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2092-1-0x0000000002F50000-0x0000000003050000-memory.dmp

    Filesize

    1024KB

  • memory/2092-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2092-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2092-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2092-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2092-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2804-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB