Analysis

  • max time kernel
    146s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/01/2025, 21:25

General

  • Target

    2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe

  • Size

    14.7MB

  • MD5

    8239d411837194c15c188f06ffb1003c

  • SHA1

    4c6edd70541223b1e7792d5e6aa5987200d9efda

  • SHA256

    ddaa428d2e3531994a4902d7a09f248edbc4be2d4fcff8be75f3616439b69707

  • SHA512

    ef6877cba0a22b80a53530f4353065f86967c7fd1548123a860b42d6124e5127bb187a244f81c39f0056b8cf9db5838f23892eca774bfde5950f75241be2e7fc

  • SSDEEP

    393216:GXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX7:a

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\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3440
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wdpphbs\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2896
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rdcqbltn.exe" C:\Windows\SysWOW64\wdpphbs\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2488
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create wdpphbs binPath= "C:\Windows\SysWOW64\wdpphbs\rdcqbltn.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:740
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description wdpphbs "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1340
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start wdpphbs
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:3020
    • 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:4120
  • C:\Windows\SysWOW64\wdpphbs\rdcqbltn.exe
    C:\Windows\SysWOW64\wdpphbs\rdcqbltn.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-30_8239d411837194c15c188f06ffb1003c_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
      • Sets service image path in registry
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.1MB

    MD5

    33896b2753f562da0cbd499b700129ae

    SHA1

    2e3dbb201dcbc94e5d207ffd951300de167706ac

    SHA256

    e0eafb315ccc25822ffd9c907c0dc2dfb649233a5a6206bed71fbcd72fa2edd9

    SHA512

    2e294baf1fff64dd48b55256cdc4e5970b2aedd85d1b5e27b1373d62e21e7de2e5837c954d2d7ad7bbfa7ed2e04e30a12f2a32ad80f37f3cc08e01823fb159d5

  • memory/1004-12-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1004-9-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1004-8-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1004-10-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2772-19-0x00000000007E0000-0x00000000007F5000-memory.dmp

    Filesize

    84KB

  • memory/2772-21-0x00000000007E0000-0x00000000007F5000-memory.dmp

    Filesize

    84KB

  • memory/2772-20-0x00000000007E0000-0x00000000007F5000-memory.dmp

    Filesize

    84KB

  • memory/2772-15-0x00000000007E0000-0x00000000007F5000-memory.dmp

    Filesize

    84KB

  • memory/2772-11-0x00000000007E0000-0x00000000007F5000-memory.dmp

    Filesize

    84KB

  • memory/3440-18-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3440-1-0x00000000006D0000-0x00000000007D0000-memory.dmp

    Filesize

    1024KB

  • memory/3440-17-0x0000000000570000-0x0000000000583000-memory.dmp

    Filesize

    76KB

  • memory/3440-16-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/3440-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/3440-2-0x0000000000570000-0x0000000000583000-memory.dmp

    Filesize

    76KB