Analysis

  • max time kernel
    145s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    01-02-2025 04:42

General

  • Target

    2025-02-01_04e437967a97228b8a21dc2a0c069a00_mafia.exe

  • Size

    10.4MB

  • MD5

    04e437967a97228b8a21dc2a0c069a00

  • SHA1

    3636d55251c0953be05d9f02897352f7f43f7a9f

  • SHA256

    2be71100003ab6289fedc5f0fe8bd605020c56ad24e4a3d1aad58634b2c259b9

  • SHA512

    4729d9fc7c432805ba60d98ffafe2663f4f92ae84e18291e001fe783148c22ec6692bfd747f6520e8c4837cd23d353780fef6200dad8152d2f4243c43084c59c

  • SSDEEP

    24576:IEfmTNIkv/ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZS:FfotA

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\2025-02-01_04e437967a97228b8a21dc2a0c069a00_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-02-01_04e437967a97228b8a21dc2a0c069a00_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2504
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dwwlhdor\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\hygeojqe.exe" C:\Windows\SysWOW64\dwwlhdor\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2832
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create dwwlhdor binPath= "C:\Windows\SysWOW64\dwwlhdor\hygeojqe.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-02-01_04e437967a97228b8a21dc2a0c069a00_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2788
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description dwwlhdor "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2924
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start dwwlhdor
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2876
    • 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:2908
  • C:\Windows\SysWOW64\dwwlhdor\hygeojqe.exe
    C:\Windows\SysWOW64\dwwlhdor\hygeojqe.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-02-01_04e437967a97228b8a21dc2a0c069a00_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2664
    • 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:2856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    11.5MB

    MD5

    ca7827fd3cd6957e44f7b00bb5cf8cbc

    SHA1

    a3084be72c80da6f0c6299b7cc2c3772aeb6b4e1

    SHA256

    e3ba58a03d531803ab167a91113c13b838f4f482ffcafc55260d782c9d30e03f

    SHA512

    ed3039e37345f22ae57d2813d1f628aa94dbe54a1930c1a847340d8d77d1a80d70baac5a6e499732306b1e0cc3abff1ccc44fe731d5ee43abf7dea083b662e5d

  • memory/2504-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2504-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2504-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2504-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2504-1-0x00000000004E0000-0x00000000005E0000-memory.dmp

    Filesize

    1024KB

  • memory/2504-8-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2664-17-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2856-16-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2856-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2856-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2856-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2856-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB