Analysis

  • max time kernel
    144s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    31-01-2025 16:25

General

  • Target

    2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe

  • Size

    12.5MB

  • MD5

    387afac071bccec0be9c8e49d461568d

  • SHA1

    eadafb725052b1eeb3fb3ca0da541c1c600bf663

  • SHA256

    98ee15b4498267f85a08ef3f1d58fe63f8e6e5373e16790be65be707b0eb21e5

  • SHA512

    38235ab069954d83ea6def71c6dbf7c7c45d9406b0eb302502dab05da2ff71951698206b60af52fa0f42e82f9d9f11b54a45cda63349f066eafec1c030c55401

  • SSDEEP

    393216:8XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXR: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
  • 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\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\jheqaskh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ppqbwxvd.exe" C:\Windows\SysWOW64\jheqaskh\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2744
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create jheqaskh binPath= "C:\Windows\SysWOW64\jheqaskh\ppqbwxvd.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2960
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description jheqaskh "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2852
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start jheqaskh
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2724
    • 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:1556
  • C:\Windows\SysWOW64\jheqaskh\ppqbwxvd.exe
    C:\Windows\SysWOW64\jheqaskh\ppqbwxvd.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-31_387afac071bccec0be9c8e49d461568d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • 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:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.3MB

    MD5

    f5e5e7fbd7e96ca735fb66add899dfb6

    SHA1

    28254131a5febe4fe9add751c9437df211fba1bd

    SHA256

    f7a8bd7f3ab70b61be0019b760cde3d8ddd9e9f6d322172e4cabca29beb74626

    SHA512

    447d713a0cc9121200601592049ea14417aefba5f501ea18e984b7bb129f56eb1e9298169d6b3e696749133ecba7159f9a272778f1d182ab8059bfeb9b98f651

  • memory/2228-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2228-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2228-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2228-13-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2228-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2228-1-0x00000000008C0000-0x00000000009C0000-memory.dmp

    Filesize

    1024KB

  • memory/2608-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2608-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2608-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2608-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2608-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2700-14-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB