Overview

overview

10

Static

static

file.exe

windows7-x64

10

file.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    6s
  • max time network
    8s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 05:53

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General

  • Target
    file.exe
  • Size 260KB
  • Sample221029-gla5aadce7
  • SHA256 4e3d4e3ea7c16353bf3e4ddb94da7fddcb057a0d9b878f91f957fcc43d160eb7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    trojantofsee
  • Creates new service(s) 1 TTPs
    persistence
  • Modifies Windows Firewall 1 TTPs 1 IoCs
    evasion
  • Launches sc.exe 3 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
      PID:2820
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xqvbvjfl\
        2⤵
          PID:4920
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\keulompy.exe" C:\Windows\SysWOW64\xqvbvjfl\
          2⤵
            PID:4816
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" create xqvbvjfl binPath= "C:\Windows\SysWOW64\xqvbvjfl\keulompy.exe /d\"C:\Users\Admin\AppData\Local\Temp\file.exe\"" type= own start= auto DisplayName= "wifi support"
            2⤵
            • Launches sc.exe
            PID:3532
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description xqvbvjfl "wifi internet conection"
            2⤵
            • Launches sc.exe
            PID:844
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" start xqvbvjfl
            2⤵
            • Launches sc.exe
            PID:1444
          • 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
            PID:676
        • C:\Windows\SysWOW64\xqvbvjfl\keulompy.exe
          C:\Windows\SysWOW64\xqvbvjfl\keulompy.exe /d"C:\Users\Admin\AppData\Local\Temp\file.exe"
          1⤵
            PID:556

          Network

                MITRE ATT&CK Enterprise v6

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                Downloads

                keulompy.exe
                • Path C:\Users\Admin\AppData\Local\Temp\keulompy.exe
                • Size 17KB
                • SHA256 3a07617f9b7c36aa0344d1f1013ee5d1498dd1b73327cbbb9a2dfec74f8a6b1e
                • MD5 SHA1 SHA512 SSDEEP
                Submit Download

                keulompy.exe
                • Path C:\Windows\SysWOW64\xqvbvjfl\keulompy.exe
                • Size 28KB
                • SHA256 184ca51d0f8477b63407fdf3a69915eb4801b94f6467c6dbfa514d03d9eb3f44
                • MD5 SHA1 SHA512 SSDEEP
                Submit Download

                memory/2820-132-0x0000000002D57000-0x0000000002D6C000-memory.dmp
                Download

                memory/2820-133-0x0000000002CB0000-0x0000000002CC3000-memory.dmp
                Download

                memory/2820-135-0x0000000000400000-0x0000000002C2F000-memory.dmp
                Download