Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    154s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/03/2024, 15:08

General

  • Target

    d3d0c67da718de678206c8e774c6d30c.exe

  • Size

    14.6MB

  • MD5

    d3d0c67da718de678206c8e774c6d30c

  • SHA1

    b2b4039df080b6ad64d6a886ac4b29c76fcd1a37

  • SHA256

    916ed7d444a4233ca18d621514bc9a419608860fa3d13d1aef060d9e034bceb1

  • SHA512

    2647deb5b80f83d8d8f6a7f47e393fea4e57299703ba7458aba84317a5694eb5e70ea038342bdd60de5370b6fabb8685582c3e2115ca5fb1c4867af2b97b3974

  • SSDEEP

    49152:r66666666666666666666666666666666666666666666666666666666666666/:

Malware Config

Extracted

Family

tofsee

C2

43.231.4.6

lazystax.ru

Signatures

  • Tofsee

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

  • Creates new service(s) 1 TTPs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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).

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d3d0c67da718de678206c8e774c6d30c.exe
    "C:\Users\Admin\AppData\Local\Temp\d3d0c67da718de678206c8e774c6d30c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2680
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\zqfefpvp\
      2⤵
        PID:3460
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\fzbexww.exe" C:\Windows\SysWOW64\zqfefpvp\
        2⤵
          PID:4576
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create zqfefpvp binPath= "C:\Windows\SysWOW64\zqfefpvp\fzbexww.exe /d\"C:\Users\Admin\AppData\Local\Temp\d3d0c67da718de678206c8e774c6d30c.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
          • Launches sc.exe
          PID:2100
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" description zqfefpvp "wifi internet conection"
          2⤵
          • Launches sc.exe
          PID:1552
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" start zqfefpvp
          2⤵
          • Launches sc.exe
          PID:1784
        • 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:4320
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2680 -s 744
          2⤵
          • Program crash
          PID:4576
      • C:\Windows\SysWOW64\zqfefpvp\fzbexww.exe
        C:\Windows\SysWOW64\zqfefpvp\fzbexww.exe /d"C:\Users\Admin\AppData\Local\Temp\d3d0c67da718de678206c8e774c6d30c.exe"
        1⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:5064
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          2⤵
          • Sets service image path in registry
          • Deletes itself
          PID:2512
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 520
          2⤵
          • Program crash
          PID:4940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2680 -ip 2680
        1⤵
          PID:700
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 5064 -ip 5064
          1⤵
            PID:2664
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1312 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
            1⤵
              PID:2996

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

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

              Filesize

              14.8MB

              MD5

              d93eb6eefae0588cf412f9151281e1b3

              SHA1

              bda93aeeaed50e7b87ad7f25d212213bddc857f7

              SHA256

              d2cd47fceb85115a43998c3ebee3382847ab66cd09f389180c76dd803671b78c

              SHA512

              e8481de60dda25757ac488fa26a68fae9c4b176c2c2ba8e0654bd56d0c63777fa7c0b18c0ca57e13780ce548959b6f303aeaec94fb8b3a5feb5826318defa8db

            • memory/2512-13-0x00000000005C0000-0x00000000005D5000-memory.dmp

              Filesize

              84KB

            • memory/2512-20-0x00000000005C0000-0x00000000005D5000-memory.dmp

              Filesize

              84KB

            • memory/2512-19-0x00000000005C0000-0x00000000005D5000-memory.dmp

              Filesize

              84KB

            • memory/2512-17-0x00000000005C0000-0x00000000005D5000-memory.dmp

              Filesize

              84KB

            • memory/2512-16-0x00000000005C0000-0x00000000005D5000-memory.dmp

              Filesize

              84KB

            • memory/2680-5-0x0000000000400000-0x0000000000C0A000-memory.dmp

              Filesize

              8.0MB

            • memory/2680-9-0x0000000000DD0000-0x0000000000DE3000-memory.dmp

              Filesize

              76KB

            • memory/2680-8-0x0000000000400000-0x0000000000C0A000-memory.dmp

              Filesize

              8.0MB

            • memory/2680-1-0x0000000000CD0000-0x0000000000DD0000-memory.dmp

              Filesize

              1024KB

            • memory/2680-4-0x0000000000400000-0x0000000000C0A000-memory.dmp

              Filesize

              8.0MB

            • memory/2680-2-0x0000000000DD0000-0x0000000000DE3000-memory.dmp

              Filesize

              76KB

            • memory/5064-11-0x0000000000C20000-0x0000000000D20000-memory.dmp

              Filesize

              1024KB

            • memory/5064-12-0x0000000000400000-0x0000000000C0A000-memory.dmp

              Filesize

              8.0MB

            • memory/5064-18-0x0000000000400000-0x0000000000C0A000-memory.dmp

              Filesize

              8.0MB