Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24-06-2020 14:56

General

  • Target

    2d9788648b02d198623fcd299ff6b1853759f1bf026e5d47a5ee83b7e5a7791d.exe

  • Size

    453KB

  • MD5

    59f1f5348151b176018bd54b53798ab1

  • SHA1

    91d59f9c6cc1d757b58af475f4d51386eff1177d

  • SHA256

    2d9788648b02d198623fcd299ff6b1853759f1bf026e5d47a5ee83b7e5a7791d

  • SHA512

    8afbbedc1be5839cc044009eef51d7161d7dc207f9755ae04d83c54b30c14bef810ee002450475dd47bb193772fe4afa61d25cad831ed713e374a624243a1acc

Score
8/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 462 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Adds Run entry to start application 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Executes dropped EXE 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

Processes

  • c:\windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2700
    • c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
      1⤵
        PID:2716
      • c:\windows\system32\taskhostw.exe
        taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
        1⤵
          PID:2816
        • C:\Windows\Explorer.EXE
          C:\Windows\Explorer.EXE
          1⤵
            PID:2940
            • C:\Users\Admin\AppData\Local\Temp\2d9788648b02d198623fcd299ff6b1853759f1bf026e5d47a5ee83b7e5a7791d.exe
              "C:\Users\Admin\AppData\Local\Temp\2d9788648b02d198623fcd299ff6b1853759f1bf026e5d47a5ee83b7e5a7791d.exe"
              2⤵
              • Loads dropped DLL
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Modifies Internet Explorer settings
              PID:4004
              • C:\Users\Admin\AppData\Roaming\Qurouwcym\ytubidabbel.exe
                "C:\Users\Admin\AppData\Roaming\Qurouwcym\ytubidabbel.exe"
                3⤵
                • Loads dropped DLL
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of WriteProcessMemory
                • Adds Run entry to start application
                • Suspicious behavior: EnumeratesProcesses
                • Executes dropped EXE
                PID:3760
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\tmp392caeb3.bat"
                3⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:1580
                • C:\Windows\System32\Conhost.exe
                  \??\C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
                  4⤵
                    PID:1756
            • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
              "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
              1⤵
                PID:3104
              • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
                "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
                1⤵
                  PID:3124
                • C:\Windows\System32\RuntimeBroker.exe
                  C:\Windows\System32\RuntimeBroker.exe -Embedding
                  1⤵
                    PID:3356
                  • C:\Windows\system32\DllHost.exe
                    C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                    1⤵
                      PID:3640
                    • C:\Program Files\Windows Mail\WinMail.exe
                      "C:\Program Files\Windows Mail\WinMail.exe" -Embedding
                      1⤵
                        PID:1220
                      • C:\Program Files\Windows Mail\WinMail.exe
                        "C:\Program Files\Windows Mail\WinMail.exe" -Embedding
                        1⤵
                          PID:684

                        Network

                        MITRE ATT&CK Matrix ATT&CK v6

                        Persistence

                        Registry Run Keys / Startup Folder

                        1
                        T1060

                        Defense Evasion

                        Modify Registry

                        2
                        T1112

                        Credential Access

                        Credentials in Files

                        1
                        T1081

                        Collection

                        Data from Local System

                        1
                        T1005

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Roaming\Icwyafbiuslu\ypnumema.exa
                        • C:\Users\Admin\AppData\Roaming\Qurouwcym\ytubidabbel.exe
                        • C:\Users\Admin\AppData\Roaming\Qurouwcym\ytubidabbel.exe
                        • \Users\Admin\AppData\Local\Temp\tmp7044.tmp
                        • \Users\Admin\AppData\Local\Temp\tmp7064.tmp
                        • \Users\Admin\AppData\Local\Temp\tmpB198.tmp
                        • \Users\Admin\AppData\Local\Temp\tmpB235.tmp
                        • memory/1580-8-0x0000000000720000-0x0000000000767000-memory.dmp
                          Filesize

                          284KB

                        • memory/1580-9-0x000000000074025A-mapping.dmp
                        • memory/3760-2-0x0000000000000000-mapping.dmp