Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-01-2025 19:41

General

  • Target

    2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe

  • Size

    13.8MB

  • MD5

    60c5a5e092b4cf3d120e3592142e6288

  • SHA1

    e72d477b6c9e5ae53501b6ff712938245d0d444b

  • SHA256

    387da9f1c0db0a113e160f090cc338a0a0287185142260611399b23f0b7b3fa6

  • SHA512

    a1f6092002d96ded9a11bf767dcd780945f9214e0519d323f9c703a6764fa8d51a6d78cffe066709423800c547301a856112f89723739cb4033d66adc77d2608

  • SSDEEP

    393216:2XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX3:

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
  • Creates new service(s) 2 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1552
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hspeha\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:212
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hcgyozbz.exe" C:\Windows\SysWOW64\hspeha\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:3680
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create hspeha binPath= "C:\Windows\SysWOW64\hspeha\hcgyozbz.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3948
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description hspeha "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:552
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start hspeha
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4736
    • 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:4828
  • C:\Windows\SysWOW64\hspeha\hcgyozbz.exe
    C:\Windows\SysWOW64\hspeha\hcgyozbz.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_60c5a5e092b4cf3d120e3592142e6288_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3996
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2136

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.4MB

    MD5

    da5065ed36f6027815412c9f3a7fc5f5

    SHA1

    00651175ff2cae6e73d6948dad568d1fcd0b6c5d

    SHA256

    ff4b5a6d937a950ecc3a31ad6996c3ea9252200f69c98ac00f8a5d5e19026da2

    SHA512

    bee8412200d011039d6ea8fceb65c4871646840a5d777292341f4deda23210ea37b2628709dd531fd3e3a49787838d43dd1d0b3f60d433c6ba8bc0e0f641f4c3

  • memory/1552-18-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1552-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1552-2-0x0000000000780000-0x0000000000793000-memory.dmp

    Filesize

    76KB

  • memory/1552-16-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1552-17-0x0000000000780000-0x0000000000793000-memory.dmp

    Filesize

    76KB

  • memory/1552-1-0x0000000000800000-0x0000000000900000-memory.dmp

    Filesize

    1024KB

  • memory/2136-15-0x0000000001060000-0x0000000001075000-memory.dmp

    Filesize

    84KB

  • memory/2136-10-0x0000000001060000-0x0000000001075000-memory.dmp

    Filesize

    84KB

  • memory/2136-19-0x0000000001060000-0x0000000001075000-memory.dmp

    Filesize

    84KB

  • memory/2136-20-0x0000000001060000-0x0000000001075000-memory.dmp

    Filesize

    84KB

  • memory/2136-21-0x0000000001060000-0x0000000001075000-memory.dmp

    Filesize

    84KB

  • memory/3996-12-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3996-8-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3996-9-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB