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Analysis

  • max time kernel
    145s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2025, 13:23

General

  • Target

    2025-01-28_65503d0561900400f2cdc6d430504c7d_mafia.exe

  • Size

    10.1MB

  • MD5

    65503d0561900400f2cdc6d430504c7d

  • SHA1

    8b92936c104917403d0981a5e3b296325376f9c6

  • SHA256

    66499cda0ecf663375bd67e42255e678d77405e401601072b862bd0b4caa4c10

  • SHA512

    80844bdcb918296aa4b0d1b30e37c3ad905d6111a635ec909fb0917cf71c693e922e6cc9c4796c7dfb645b0722170763abec49fb1c938acbddf553c9b21acb3d

  • SSDEEP

    49152:SLFuiE888888888888888888888888888888888888888888888888888888888u:SLMZ

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\2025-01-28_65503d0561900400f2cdc6d430504c7d_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-28_65503d0561900400f2cdc6d430504c7d_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\vxoiljqp\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zmyvobgq.exe" C:\Windows\SysWOW64\vxoiljqp\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2524
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create vxoiljqp binPath= "C:\Windows\SysWOW64\vxoiljqp\zmyvobgq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-28_65503d0561900400f2cdc6d430504c7d_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2700
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description vxoiljqp "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start vxoiljqp
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2892
    • 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:2792
  • C:\Windows\SysWOW64\vxoiljqp\zmyvobgq.exe
    C:\Windows\SysWOW64\vxoiljqp\zmyvobgq.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-28_65503d0561900400f2cdc6d430504c7d_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2716
    • 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:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    14.1MB

    MD5

    28832bef69ea32ddae08b9719dd4ec5e

    SHA1

    21aaa6352a2e6f5b74ac2712e638e3cd950ae242

    SHA256

    a29b63016c1745575656452859aee62ad9b0c2c6a5f5ffc5f557ef4eb092d629

    SHA512

    f4b1e54c65d4f88a2f7d73d97dd525352a1f2f77a86f04b77f24067ed62677664aedfd82b0f98d73b6fc3443db441e35ab9bc8b686bd221af4a9a9a405ee3741

  • memory/1936-16-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1936-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1936-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/1936-14-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB

  • memory/1936-15-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/1936-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

    Filesize

    1024KB

  • memory/2452-8-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2452-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2452-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2452-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2452-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2716-12-0x0000000000400000-0x0000000002DBF000-memory.dmp

    Filesize

    41.7MB