Analysis

  • max time kernel
    57s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    17-09-2020 15:28

General

  • Target

    8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe

  • Size

    1.7MB

  • MD5

    3f4181968baaf480a628d522c14cee75

  • SHA1

    0cfbe9d8a205fa528c00c96253ff309ab666ee90

  • SHA256

    8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351

  • SHA512

    319332107b9da31aaa752dc75d5291c80668c204be2b6f0a3d31d4a48428bdccd5dcc7787678eb003fbb3d61af5245ea0d8c87b343cbaf77877e5f0c49e69db4

Malware Config

Signatures

  • Ouroboros/Zeropadypt

    Ransomware family based on open-source CryptoWire.

  • xmrig

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

  • Executes dropped EXE 2 IoCs
  • Modifies Windows Firewall 1 TTPs
  • Modifies extensions of user files 3 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Suspicious Office macro 2 IoCs

    Office document equipped with macros.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 autorun.inf file 1 TTPs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Drops file in System32 directory 1 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.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • NTFS ADS 3 IoCs
  • Runs net.exe
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of SetWindowsHookEx 6 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⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3920
    • C:\Users\Admin\AppData\Local\Temp\._cache_8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe"
      2⤵
      • 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
      • NTFS ADS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1032
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c net stop SQLWriter
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1460
        • C:\Windows\SysWOW64\net.exe
          net stop SQLWriter
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2160
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop SQLWriter
            5⤵
              PID:2356
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c net stop SQLBrowser
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4076
          • C:\Windows\SysWOW64\net.exe
            net stop SQLBrowser
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:4016
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop SQLBrowser
              5⤵
                PID:3244
          • C:\Windows\SysWOW64\cmd.exe
            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:3952
            • C:\Windows\SysWOW64\net.exe
              net stop MSSQLSERVER
              4⤵
              • Suspicious use of WriteProcessMemory
              PID:3112
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 stop MSSQLSERVER
                5⤵
                  PID:3736
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c net stop MSSQL$CONTOSO1
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:2564
              • C:\Windows\SysWOW64\net.exe
                net stop MSSQL$CONTOSO1
                4⤵
                • Suspicious use of WriteProcessMemory
                PID:3008
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 stop MSSQL$CONTOSO1
                  5⤵
                    PID:1120
              • C:\Windows\SysWOW64\cmd.exe
                C:\Windows\system32\cmd.exe /c net stop MSDTC
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:1184
                • C:\Windows\SysWOW64\net.exe
                  net stop MSDTC
                  4⤵
                  • Suspicious use of WriteProcessMemory
                  PID:636
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 stop MSDTC
                    5⤵
                      PID:2164
                • C:\Windows\SysWOW64\cmd.exe
                  C:\Windows\system32\cmd.exe /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
                  3⤵
                    PID:2672
                  • C:\Windows\SysWOW64\cmd.exe
                    C:\Windows\system32\cmd.exe /c bcdedit /set {default} recoveryenabled no
                    3⤵
                      PID:3804
                    • C:\Windows\SysWOW64\cmd.exe
                      C:\Windows\system32\cmd.exe /c wbadmin delete catalog -quiet
                      3⤵
                        PID:1232
                      • C:\Windows\SysWOW64\cmd.exe
                        C:\Windows\system32\cmd.exe /c net stop SQLSERVERAGENT
                        3⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1092
                        • C:\Windows\SysWOW64\net.exe
                          net stop SQLSERVERAGENT
                          4⤵
                            PID:1236
                            • C:\Windows\SysWOW64\net1.exe
                              C:\Windows\system32\net1 stop SQLSERVERAGENT
                              5⤵
                                PID:2516
                          • C:\Windows\SysWOW64\cmd.exe
                            C:\Windows\system32\cmd.exe /c net stop MSSQLSERVER
                            3⤵
                              PID:2100
                              • C:\Windows\SysWOW64\net.exe
                                net stop MSSQLSERVER
                                4⤵
                                  PID:648
                                  • C:\Windows\SysWOW64\net1.exe
                                    C:\Windows\system32\net1 stop MSSQLSERVER
                                    5⤵
                                      PID:1668
                                • C:\Windows\SysWOW64\cmd.exe
                                  C:\Windows\system32\cmd.exe /c net stop vds
                                  3⤵
                                    PID:3996
                                    • C:\Windows\SysWOW64\net.exe
                                      net stop vds
                                      4⤵
                                        PID:2208
                                        • C:\Windows\SysWOW64\net1.exe
                                          C:\Windows\system32\net1 stop vds
                                          5⤵
                                            PID:3856
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c netsh advfirewall set currentprofile state off
                                        3⤵
                                          PID:2976
                                          • C:\Windows\SysWOW64\netsh.exe
                                            netsh advfirewall set currentprofile state off
                                            4⤵
                                              PID:2184
                                          • C:\Windows\SysWOW64\cmd.exe
                                            C:\Windows\system32\cmd.exe /c netsh firewall set opmode mode=disable
                                            3⤵
                                              PID:3800
                                              • C:\Windows\SysWOW64\netsh.exe
                                                netsh firewall set opmode mode=disable
                                                4⤵
                                                  PID:3524
                                            • C:\ProgramData\Synaptics\Synaptics.exe
                                              "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
                                              2⤵
                                              • Executes dropped EXE
                                              PID:948
                                          • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
                                            "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
                                            1⤵
                                            • Checks processor information in registry
                                            • Enumerates system info in registry
                                            • Suspicious behavior: AddClipboardFormatListener
                                            • Suspicious use of SetWindowsHookEx
                                            PID:2644

                                          Network

                                          MITRE ATT&CK Enterprise v6

                                          Replay Monitor

                                          Loading Replay Monitor...

                                          Downloads

                                          • C:\ProgramData\Synaptics\Synaptics.exe

                                            MD5

                                            06fdd27742bc4dcb30bc348fa0c24041

                                            SHA1

                                            532db4b18a787d4d6a7e48f0b43c51210312f82b

                                            SHA256

                                            5aaa3a31d1683ad8d80d2abeb978dbfa35ccfec75e26e41388bd2df69aff07b8

                                            SHA512

                                            ba567237981d4ad6fe5c1dd4ea21602b3398125fefe33858c0da719ac7bdab4d99e0be09c993a6bbafda5448855a9a8bbaa4ea148a356e5c5b71de54d6c5c722

                                          • C:\ProgramData\Synaptics\Synaptics.exe

                                            MD5

                                            06fdd27742bc4dcb30bc348fa0c24041

                                            SHA1

                                            532db4b18a787d4d6a7e48f0b43c51210312f82b

                                            SHA256

                                            5aaa3a31d1683ad8d80d2abeb978dbfa35ccfec75e26e41388bd2df69aff07b8

                                            SHA512

                                            ba567237981d4ad6fe5c1dd4ea21602b3398125fefe33858c0da719ac7bdab4d99e0be09c993a6bbafda5448855a9a8bbaa4ea148a356e5c5b71de54d6c5c722

                                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\80237EE4964FC9C409AAF55BF996A292_C5130A0BDC8C859A2757D77746C10868

                                            MD5

                                            9087054ddf41bb06ad4b758843aa8589

                                            SHA1

                                            bb4c277416af7baf2fcd41b3ca56b6e05f593d3f

                                            SHA256

                                            9dc36612a80e50606781ad919565fea023f4f90159b08aab46737c04c6d45993

                                            SHA512

                                            119e53ca990bc51ae02970d4d299985bb8d6c06fbb42199c2c7e6dfbe38f3787f913e5c1599236098047040c1bcb7eafe1ce08ca4f50f2a62f0e55ce2fec69ca

                                          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\80237EE4964FC9C409AAF55BF996A292_C5130A0BDC8C859A2757D77746C10868

                                            MD5

                                            bb2b01e21fb4fe81670baceb3b07aa5f

                                            SHA1

                                            a3f625a27f371d53db5614ffa17c76ad9ca0d494

                                            SHA256

                                            d693afdb04b13d18037cf094c4e6d3dfc17080efd896eabeb14c2cacd2c8d28b

                                            SHA512

                                            756248a2244943f220d9198edee1cc61cc8456e9b8835dc377ec41fada4a7cb82580276eb488b7a17f23eda27fd3b3316a76a8369b06317a7f9c44e6e3dfb115

                                          • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\WebServiceCache\AllUsers\officeclient.microsoft.com\48906990-CA26-4C05-878A-21B2DFCC337E

                                            MD5

                                            f7d413892dc951b5b459d6cff3814fac

                                            SHA1

                                            b7fafc89644ba6f1943b2ed550b517f06feeaa97

                                            SHA256

                                            29ce550bf8492a9712d0b8385729bd5f72f75cda2747c11f9d9815629997aecb

                                            SHA512

                                            f32f5e3df3a18f970fe06c3ff0164ec95c6e4b507e94eb40a254cf61ae16e605b4424a99d0ee58325bd12cc8cd98b4bb230a310d6889571785f38fd3e3bbc283

                                          • C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml

                                            MD5

                                            0209dee92826be2ed0e5d84bc987acc4

                                            SHA1

                                            6a1e0fab679a984a6bf5829906e2bb3d35e848b2

                                            SHA256

                                            d1b32a92159cba6b23228b7d8b63df866ad07daf24907b1307a4385b974787d5

                                            SHA512

                                            b945804d17887d693bb7ff00f85728bff0b63bf3408d974824a3657ac39b52d0e14768a8a18339d6eeb7376c18df71088af122cda6ae573e26df6b63df92cdbc

                                          • C:\Users\Admin\AppData\Local\Microsoft\Office\DLP\TenantInfo.xml

                                            MD5

                                            0f8eb2423d2bf6cb5b8bdb44cb170ca3

                                            SHA1

                                            242755226012b4449a49b45491c0b1538ebf6410

                                            SHA256

                                            385347c0cbacdd3c61d2635fbd390e0095a008fd75eeb23af2f14f975c083944

                                            SHA512

                                            a9f23a42340b83a2f59df930d7563e8abd669b9f0955562cd3c2872e2e081f26d6d8b26357972b6d0423af05b2392bddbb46da769788e77fd169b3264ff53886

                                          • C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db

                                            MD5

                                            f138a66469c10d5761c6cbb36f2163c3

                                            SHA1

                                            eea136206474280549586923b7a4a3c6d5db1e25

                                            SHA256

                                            c712d6c7a60f170a0c6c5ec768d962c58b1f59a2d417e98c7c528a037c427ab6

                                            SHA512

                                            9d25f943b6137dd2981ee75d57baf3a9e0ee27eea2df19591d580f02ec8520d837b8e419a8b1eb7197614a3c6d8793c56ebc848c38295ada23c31273daa302d9

                                          • C:\Users\Admin\AppData\Local\Microsoft\Office\OTele\excel.exe.db-wal

                                            MD5

                                            a4ca6195666643428a7d5e06ea839673

                                            SHA1

                                            c50af1ef249481c56065ef68ccade0895b4cae03

                                            SHA256

                                            4101a6665b5e096bb1b88f46ca0d695dc8e504a619bf638b07a958cc3f67c162

                                            SHA512

                                            4fd3b4c771ad41ed6089a2021bbb741aee802ac637befa79fbd9027b4b0667aa576545b958625e65b1d8b8a601d7f92e7bb644440514234729f78465bba74f96

                                          • C:\Users\Admin\AppData\Local\Temp\._cache_8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe

                                            MD5

                                            934984b11e6690c10e7ad5bf1f0cf274

                                            SHA1

                                            5c826f0bca1460508b0a3db4b0e5f9fbd7c2104f

                                            SHA256

                                            95a0cdecb7f933ee8768acf2c04718c3d02c10d10e580bd85786252c1091706e

                                            SHA512

                                            4cc96789b2c6a40b94d7dc5d3ed11876dc643172211114ee588bfc0988f00cc3508d0d1e5d39a08e29b003f12429ba46fa07ac58402d6838b7263a640b20f13e

                                          • C:\Users\Admin\AppData\Local\Temp\._cache_8df97f59144a4f3d55572156abd94b750a1a6ebbb5d1a08c001b5e1f4a1ce351.exe

                                            MD5

                                            934984b11e6690c10e7ad5bf1f0cf274

                                            SHA1

                                            5c826f0bca1460508b0a3db4b0e5f9fbd7c2104f

                                            SHA256

                                            95a0cdecb7f933ee8768acf2c04718c3d02c10d10e580bd85786252c1091706e

                                            SHA512

                                            4cc96789b2c6a40b94d7dc5d3ed11876dc643172211114ee588bfc0988f00cc3508d0d1e5d39a08e29b003f12429ba46fa07ac58402d6838b7263a640b20f13e

                                          • C:\Users\Admin\AppData\Local\Temp\.ses

                                            MD5

                                            0c1a4f1d9973e6bd7b5ff4c658da3823

                                            SHA1

                                            0963ea618550a5dbd44e6b21bda1d7e93dbd4ee1

                                            SHA256

                                            5207847962982933b83c61454d5acf0fd01a0e4ed50b1998962c0368c7f53c3e

                                            SHA512

                                            997cfdffbad0e1fd8c541c29bdca319e3ab56bfb6df32a4ffd00501a8b223fb0e4cce53bda22a865da193b5ebae900c310df9640f70a8ca886f2737fcde8f664

                                          • C:\Users\Admin\AppData\Local\Temp\I3exZfok.xlsm

                                            MD5

                                            e566fc53051035e1e6fd0ed1823de0f9

                                            SHA1

                                            00bc96c48b98676ecd67e81a6f1d7754e4156044

                                            SHA256

                                            8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

                                            SHA512

                                            a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

                                          • C:\Users\Admin\Documents\AddSave.xlsm

                                            MD5

                                            e566fc53051035e1e6fd0ed1823de0f9

                                            SHA1

                                            00bc96c48b98676ecd67e81a6f1d7754e4156044

                                            SHA256

                                            8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

                                            SHA512

                                            a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

                                          • C:\Users\Admin\Documents\~$cache1

                                            MD5

                                            06fdd27742bc4dcb30bc348fa0c24041

                                            SHA1

                                            532db4b18a787d4d6a7e48f0b43c51210312f82b

                                            SHA256

                                            5aaa3a31d1683ad8d80d2abeb978dbfa35ccfec75e26e41388bd2df69aff07b8

                                            SHA512

                                            ba567237981d4ad6fe5c1dd4ea21602b3398125fefe33858c0da719ac7bdab4d99e0be09c993a6bbafda5448855a9a8bbaa4ea148a356e5c5b71de54d6c5c722

                                          • memory/636-19-0x0000000000000000-mapping.dmp

                                          • memory/648-29-0x0000000000000000-mapping.dmp

                                          • memory/948-4-0x0000000000000000-mapping.dmp

                                          • memory/1032-53-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-51-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-43-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-44-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-49-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-50-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-45-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-47-0x00000000014D0000-0x00000000014D1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-54-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-46-0x0000000001CD0000-0x0000000001CD1000-memory.dmp

                                            Filesize

                                            4KB

                                          • memory/1032-0-0x0000000000000000-mapping.dmp

                                          • memory/1092-25-0x0000000000000000-mapping.dmp

                                          • memory/1120-17-0x0000000000000000-mapping.dmp

                                          • memory/1184-18-0x0000000000000000-mapping.dmp

                                          • memory/1232-24-0x0000000000000000-mapping.dmp

                                          • memory/1236-26-0x0000000000000000-mapping.dmp

                                          • memory/1460-3-0x0000000000000000-mapping.dmp

                                          • memory/1668-30-0x0000000000000000-mapping.dmp

                                          • memory/2100-28-0x0000000000000000-mapping.dmp

                                          • memory/2160-7-0x0000000000000000-mapping.dmp

                                          • memory/2164-20-0x0000000000000000-mapping.dmp

                                          • memory/2184-35-0x0000000000000000-mapping.dmp

                                          • memory/2208-32-0x0000000000000000-mapping.dmp

                                          • memory/2356-8-0x0000000000000000-mapping.dmp

                                          • memory/2516-27-0x0000000000000000-mapping.dmp

                                          • memory/2564-15-0x0000000000000000-mapping.dmp

                                          • memory/2644-40-0x0000019ECDAA0000-0x0000019ECDAA4000-memory.dmp

                                            Filesize

                                            16KB

                                          • memory/2644-37-0x0000019ECDAA0000-0x0000019ECDAA4000-memory.dmp

                                            Filesize

                                            16KB

                                          • memory/2644-21-0x00007FFD040F0000-0x00007FFD047B6000-memory.dmp

                                            Filesize

                                            6.8MB

                                          • memory/2672-22-0x0000000000000000-mapping.dmp

                                          • memory/2976-34-0x0000000000000000-mapping.dmp

                                          • memory/3008-16-0x0000000000000000-mapping.dmp

                                          • memory/3112-13-0x0000000000000000-mapping.dmp

                                          • memory/3244-11-0x0000000000000000-mapping.dmp

                                          • memory/3524-42-0x0000000000000000-mapping.dmp

                                          • memory/3736-14-0x0000000000000000-mapping.dmp

                                          • memory/3800-41-0x0000000000000000-mapping.dmp

                                          • memory/3804-23-0x0000000000000000-mapping.dmp

                                          • memory/3856-33-0x0000000000000000-mapping.dmp

                                          • memory/3952-12-0x0000000000000000-mapping.dmp

                                          • memory/3996-31-0x0000000000000000-mapping.dmp

                                          • memory/4016-10-0x0000000000000000-mapping.dmp

                                          • memory/4076-9-0x0000000000000000-mapping.dmp