Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-01-2025 11:12

General

  • Target

    2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe

  • Size

    13.1MB

  • MD5

    20a671c03662511935387bb74be8153b

  • SHA1

    55f63ef86a4b4af0d35ca0d35ee78af85f4866d1

  • SHA256

    b55246338bcdc1bebe0eeb46362d3cd71d843dff533e21ded99653e0cdd0ca7c

  • SHA512

    31c6683296a3aaf4863a893f8d57f3dbd5e1742ced1d11cd72c92969cda60e1e47e5ba117037c1c86c5a589bec74acf74331a700bcbf219751a5b7e125e0cfd3

  • SSDEEP

    49152:XqE0YKr3fYPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP:XqtYc3

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_20a671c03662511935387bb74be8153b_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hzqpwbrc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2408
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bsovmlpt.exe" C:\Windows\SysWOW64\hzqpwbrc\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1260
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create hzqpwbrc binPath= "C:\Windows\SysWOW64\hzqpwbrc\bsovmlpt.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:1724
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description hzqpwbrc "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2460
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start hzqpwbrc
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2816
    • 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:2852
  • C:\Windows\SysWOW64\hzqpwbrc\bsovmlpt.exe
    C:\Windows\SysWOW64\hzqpwbrc\bsovmlpt.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-27_20a671c03662511935387bb74be8153b_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • 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:2860

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    12.5MB

    MD5

    0ab065b52a2ce7204d65f55e74c6ca27

    SHA1

    8118f51df0531cdf305cdc47ed45fefeb43c8d3a

    SHA256

    55e2d093b6f5eff62d79339f892e2d5e1fbd203fd5134f6aab650d2921987a02

    SHA512

    376e983c4dac92af10bd4c3811ff310cec7350481cc6d2501b8bc7dbb9c006478c1cb6a73d21631cc22ea1efda937c5443a902fbc7bfc9e6fed4fceec117554a

  • memory/2176-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2176-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2176-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2176-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2176-1-0x00000000002B0000-0x00000000003B0000-memory.dmp

    Filesize

    1024KB

  • memory/2176-14-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB

  • memory/2860-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2860-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2860-8-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2860-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/2860-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

    Filesize

    84KB

  • memory/3052-13-0x0000000000400000-0x0000000002DC3000-memory.dmp

    Filesize

    41.8MB