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Analysis

  • max time kernel
    144s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29/12/2024, 19:27

General

  • Target

    2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe

  • Size

    14.0MB

  • MD5

    a96468e58b3466b20b0c3ae964bad440

  • SHA1

    0315c00f420825d06c91fe193dbfa8ed993b591d

  • SHA256

    2ebbb4ef6e9f5211032e4bad41c177a78da76bdcf758763ac303b4d83e337101

  • SHA512

    0d303dbf1b87bb3247e7c834cf169d5a30ee8cc4b0a607fd93fad78a06c0d124e95d7bea6099cb81cbad688294c2bd41c4ef2ceec5a9af1d184ee1984b8c47b4

  • SSDEEP

    3072:MLBgXOXcdW8tar7vGdq8c7YMl2b8anmMXnb58XuDP9het3Zv1oSW1za2E+w5C2/Y:pOMdRQr7OB0ypmMXnl8XEPM3noSWOC

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\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2920
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfiaceij\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2488
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rtmxemaq.exe" C:\Windows\SysWOW64\qfiaceij\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2408
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create qfiaceij binPath= "C:\Windows\SysWOW64\qfiaceij\rtmxemaq.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2440
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description qfiaceij "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2684
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start qfiaceij
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2232
    • 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:2880
  • C:\Windows\SysWOW64\qfiaceij\rtmxemaq.exe
    C:\Windows\SysWOW64\qfiaceij\rtmxemaq.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-12-29_a96468e58b3466b20b0c3ae964bad440_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2796
    • 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:2720

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    10.8MB

    MD5

    3e1124d904881c124168225df82bd7b9

    SHA1

    cf3e5fe5329b738c5f904ab4a0818d40eb74fccf

    SHA256

    68f3e4a6bfaa75476a4ef5e8d3dbb3031f1128b24b106140efa6aa00692d81f3

    SHA512

    e3296c5c29c0ee3029a1520428c60a4d1440074adab693f042de421aab9f867d39723f3ef9f49e52647d0dab28462d6e83a7a46cb0ebb69afac2a997a6ac2710

  • memory/2720-14-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2720-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2720-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2720-11-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2720-18-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/2796-15-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2920-4-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2920-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2920-10-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2920-9-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2920-8-0x0000000000400000-0x000000000044E000-memory.dmp

    Filesize

    312KB

  • memory/2920-1-0x00000000005C0000-0x00000000006C0000-memory.dmp

    Filesize

    1024KB