Analysis

  • max time kernel
    110s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2025, 09:18

General

  • Target

    2025-03-30_174e05f1db60bfe4ff9eb01939032141_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe

  • Size

    11.8MB

  • MD5

    174e05f1db60bfe4ff9eb01939032141

  • SHA1

    09fbd30b41e6552d26470241e2e40a8798e1766d

  • SHA256

    fe19bd42f8fecfbe7a34ec31d9cf4d581fb1f0fcfdefe7f9d8c7cc5c472ac94a

  • SHA512

    b72241131b4f2d3d7e95dd3b305881193baaa027dcfd17784e7a5597ff683f124828c57156182953c605695f3630980111fb8cdb7dca04293e3e0baf28ea6ae6

  • SSDEEP

    12288:CXz1MJ3r1eFPOPB4NKnZOMMMMMMMbmUiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiig:CXzWJb1qPOPGNG0MMMMMMMbmD

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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 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 7 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-03-30_174e05f1db60bfe4ff9eb01939032141_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-03-30_174e05f1db60bfe4ff9eb01939032141_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4968
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bzbhzelz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4564
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhjgawgl.exe" C:\Windows\SysWOW64\bzbhzelz\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1932
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create bzbhzelz binPath= "C:\Windows\SysWOW64\bzbhzelz\nhjgawgl.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-03-30_174e05f1db60bfe4ff9eb01939032141_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2088
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description bzbhzelz "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2608
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start bzbhzelz
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:4636
    • 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:2380
  • C:\Windows\SysWOW64\bzbhzelz\nhjgawgl.exe
    C:\Windows\SysWOW64\bzbhzelz\nhjgawgl.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-03-30_174e05f1db60bfe4ff9eb01939032141_amadey_karagany_mafia_rhadamanthys_smoke-loader.exe"
    1⤵
    • Executes dropped EXE
    PID:3632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.3MB

    MD5

    d68a7dd372286c300769fef475b6a3c6

    SHA1

    1c3bf678f39382e153288621546dfe3ea65b905b

    SHA256

    116c970317fd0d3210cd73da1a9134d1b542e40da1aa5f6f0854a6d5e5956201

    SHA512

    ffb7c66ba20b024d630dfa838f5c0100e57f49a8445373ef54fc0c9fc863d91318148232e0bd46c0f8cdad366faf92793b2c786ac942f08fe10e74cdc298772b

  • memory/4968-1-0x0000000000640000-0x0000000000740000-memory.dmp

    Filesize

    1024KB

  • memory/4968-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

    Filesize

    76KB

  • memory/4968-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/4968-6-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB

  • memory/4968-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/4968-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

    Filesize

    76KB

  • memory/4968-8-0x0000000000400000-0x0000000000481000-memory.dmp

    Filesize

    516KB