Analysis

  • max time kernel
    144s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    26-01-2025 18:32

General

  • Target

    2025-01-26_8658d0fee2bb9fe4dda474a1930da717_mafia.exe

  • Size

    11.7MB

  • MD5

    8658d0fee2bb9fe4dda474a1930da717

  • SHA1

    fa9aff4e773da46d3ce8a52f8cc0cd7db9e48d5d

  • SHA256

    b60031e36942a58951a89f163a8f7508a7cde31d59c2692e3262a7239378a832

  • SHA512

    649e8c0519c8c0684781b9e104e816006580c913cf54010a673a4f5a14949a6ea6101f835dbf08f1e8ccd2afb6571f8bfb35682601ba586a46cc5f66a052b34f

  • SSDEEP

    6144:zLQ1p/2p5e+D2jFHO+iZoy6u9FlfrXEz9NQNQNQNQNQNQNQNQNQNQNQNQNQNQNQ1:ITYe+D2jFu+iZoUFhAz

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\2025-01-26_8658d0fee2bb9fe4dda474a1930da717_mafia.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-26_8658d0fee2bb9fe4dda474a1930da717_mafia.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ojjptgkm\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2652
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\uoofqzqs.exe" C:\Windows\SysWOW64\ojjptgkm\
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2756
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" create ojjptgkm binPath= "C:\Windows\SysWOW64\ojjptgkm\uoofqzqs.exe /d\"C:\Users\Admin\AppData\Local\Temp\2025-01-26_8658d0fee2bb9fe4dda474a1930da717_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2784
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" description ojjptgkm "wifi internet conection"
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2664
    • C:\Windows\SysWOW64\sc.exe
      "C:\Windows\System32\sc.exe" start ojjptgkm
      2⤵
      • Launches sc.exe
      • System Location Discovery: System Language Discovery
      PID:2820
    • 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:2712
  • C:\Windows\SysWOW64\ojjptgkm\uoofqzqs.exe
    C:\Windows\SysWOW64\ojjptgkm\uoofqzqs.exe /d"C:\Users\Admin\AppData\Local\Temp\2025-01-26_8658d0fee2bb9fe4dda474a1930da717_mafia.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2684
    • 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:3032

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    13.3MB

    MD5

    1f87adb5c38f075a34e55eb8629f0a58

    SHA1

    cd442b7faae5b5b317eb07a40718808d32177621

    SHA256

    292153ace3c018bb682bd294e994ce1b3f8429d085099dea7b4c939643e420df

    SHA512

    ca8078f3c30e1cafb068d13aa4f960a6f3dfc7689fb46aa534bd2655b8c5856787f13be2572d509c51a9d56e2839be7c5dfc55550661b3e51b51201dffa7e4fb

  • memory/2096-1-0x00000000002D0000-0x00000000003D0000-memory.dmp

    Filesize

    1024KB

  • memory/2096-3-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2096-2-0x0000000000020000-0x0000000000033000-memory.dmp

    Filesize

    76KB

  • memory/2096-8-0x0000000000400000-0x0000000000415000-memory.dmp

    Filesize

    84KB

  • memory/2096-7-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2684-16-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/3032-15-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3032-13-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3032-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3032-10-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB

  • memory/3032-17-0x0000000000080000-0x0000000000095000-memory.dmp

    Filesize

    84KB