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Analysis

  • max time kernel
    1801s
  • max time network
    1805s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-11-2020 13:14

General

  • Target

    905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550.exe

Malware Config

Extracted

Family

revengerat

Botnet

XDSDDD

C2

84.91.119.105:333

Mutex

RV_MUTEX-wtZlNApdygPh

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • xmrig

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

  • RevengeRat Executable 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops startup file 2 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Drops file in System32 directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550.exe
    "C:\Users\Admin\AppData\Local\Temp\905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:828
    • C:\Windows\system32\MSSCS.exe
      "C:\Windows\system32\MSSCS.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell -ExecutionPolicy Bypass -Command [System.Reflection.Assembly]::LoadWithPartialName('System.Windows.Forms'); [System.Windows.Forms.MessageBox]::Show('Isto abriu lol','Rekt!',0,64)
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2164
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\kxblx2lx.cmdline"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3980
        • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4548.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc499BC88FD4F84FC98D01D17C7CD3EC6.TMP"
          4⤵
            PID:1604
        • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe
          "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\ckp6bmtd.cmdline"
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4060
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
            C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES45F4.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc959F025D1B6448278833519524E50A1.TMP"
            4⤵
              PID:1624
          • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe
            "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\9gl8o3x6.cmdline"
            3⤵
            • Suspicious use of WriteProcessMemory
            PID:1048
            • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
              C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES46CF.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc7C91D7E5F9B14CE8A7C8263D45AAC4A.TMP"
              4⤵
                PID:2960
            • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe
              "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\fsbowev0.cmdline"
              3⤵
              • Suspicious use of WriteProcessMemory
              PID:600
              • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
                C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES475C.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcF0111D5DAC184410A4CC21C85A1E2DC.TMP"
                4⤵
                  PID:432
              • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe
                "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\i_hvpqa4.cmdline"
                3⤵
                • Suspicious use of WriteProcessMemory
                PID:2932
                • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
                  C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4808.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcEF43CCC7B9454025B14C3657862BE6CE.TMP"
                  4⤵
                    PID:1172
                • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe
                  "C:\Windows\Microsoft.NET\Framework64\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\wvvgabaf.cmdline"
                  3⤵
                  • Suspicious use of WriteProcessMemory
                  PID:2516
                  • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe
                    C:\Windows\Microsoft.NET\Framework64\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4894.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc44F5FC3AED4048019013F1C1E5965F.TMP"
                    4⤵
                      PID:2788

              Network

              MITRE ATT&CK Matrix ATT&CK v6

              Execution

              Scripting

              1
              T1064

              Defense Evasion

              Scripting

              1
              T1064

              Discovery

              System Information Discovery

              1
              T1082

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\9gl8o3x6.0.vb
              • C:\Users\Admin\AppData\Local\Temp\9gl8o3x6.cmdline
              • C:\Users\Admin\AppData\Local\Temp\RES4548.tmp
              • C:\Users\Admin\AppData\Local\Temp\RES45F4.tmp
              • C:\Users\Admin\AppData\Local\Temp\RES46CF.tmp
              • C:\Users\Admin\AppData\Local\Temp\RES475C.tmp
              • C:\Users\Admin\AppData\Local\Temp\RES4808.tmp
              • C:\Users\Admin\AppData\Local\Temp\RES4894.tmp
              • C:\Users\Admin\AppData\Local\Temp\ckp6bmtd.0.vb
              • C:\Users\Admin\AppData\Local\Temp\ckp6bmtd.cmdline
              • C:\Users\Admin\AppData\Local\Temp\fsbowev0.0.vb
              • C:\Users\Admin\AppData\Local\Temp\fsbowev0.cmdline
              • C:\Users\Admin\AppData\Local\Temp\i_hvpqa4.0.vb
              • C:\Users\Admin\AppData\Local\Temp\i_hvpqa4.cmdline
              • C:\Users\Admin\AppData\Local\Temp\kxblx2lx.0.vb
              • C:\Users\Admin\AppData\Local\Temp\kxblx2lx.cmdline
              • C:\Users\Admin\AppData\Local\Temp\vbc44F5FC3AED4048019013F1C1E5965F.TMP
              • C:\Users\Admin\AppData\Local\Temp\vbc499BC88FD4F84FC98D01D17C7CD3EC6.TMP
              • C:\Users\Admin\AppData\Local\Temp\vbc7C91D7E5F9B14CE8A7C8263D45AAC4A.TMP
              • C:\Users\Admin\AppData\Local\Temp\vbc959F025D1B6448278833519524E50A1.TMP
              • C:\Users\Admin\AppData\Local\Temp\vbcEF43CCC7B9454025B14C3657862BE6CE.TMP
              • C:\Users\Admin\AppData\Local\Temp\vbcF0111D5DAC184410A4CC21C85A1E2DC.TMP
              • C:\Users\Admin\AppData\Local\Temp\wvvgabaf.0.vb
              • C:\Users\Admin\AppData\Local\Temp\wvvgabaf.cmdline
              • C:\Windows\System32\MSSCS.exe
                MD5

                6fe3fb85216045fdf8186429c27458a7

                SHA1

                ef2c68d0b3edf3def5d90f1525fe87c2142e5710

                SHA256

                905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550

                SHA512

                d2180f2d7ca35362a2dc322801fb0eee22820f2ac317c0be4c788c31d3939d30c9b356bf8daf0746545fb66092471f46f5d47c40403ed68b09415fcca90a125c

              • C:\Windows\system32\MSSCS.exe
                MD5

                6fe3fb85216045fdf8186429c27458a7

                SHA1

                ef2c68d0b3edf3def5d90f1525fe87c2142e5710

                SHA256

                905d572f23883f5f161f920e53473989cf7dffc16643aa759f77842e54add550

                SHA512

                d2180f2d7ca35362a2dc322801fb0eee22820f2ac317c0be4c788c31d3939d30c9b356bf8daf0746545fb66092471f46f5d47c40403ed68b09415fcca90a125c

              • memory/432-30-0x0000000000000000-mapping.dmp
              • memory/600-27-0x0000000000000000-mapping.dmp
              • memory/828-0-0x00007FFAEEEB0000-0x00007FFAEF850000-memory.dmp
                Filesize

                9.6MB

              • memory/1048-21-0x0000000000000000-mapping.dmp
              • memory/1172-36-0x0000000000000000-mapping.dmp
              • memory/1604-12-0x0000000000000000-mapping.dmp
              • memory/1624-18-0x0000000000000000-mapping.dmp
              • memory/1964-1-0x0000000000000000-mapping.dmp
              • memory/1964-4-0x00007FFAEEEB0000-0x00007FFAEF850000-memory.dmp
                Filesize

                9.6MB

              • memory/2164-8-0x0000014E9BA40000-0x0000014E9BA41000-memory.dmp
                Filesize

                4KB

              • memory/2164-6-0x00007FFAEC050000-0x00007FFAECA3C000-memory.dmp
                Filesize

                9.9MB

              • memory/2164-7-0x0000014E9B690000-0x0000014E9B691000-memory.dmp
                Filesize

                4KB

              • memory/2164-5-0x0000000000000000-mapping.dmp
              • memory/2516-39-0x0000000000000000-mapping.dmp
              • memory/2788-42-0x0000000000000000-mapping.dmp
              • memory/2932-33-0x0000000000000000-mapping.dmp
              • memory/2960-24-0x0000000000000000-mapping.dmp
              • memory/3980-9-0x0000000000000000-mapping.dmp
              • memory/4060-15-0x0000000000000000-mapping.dmp