Analysis

  • max time kernel
    120s
  • max time network
    91s
  • platform
    windows10_x64
  • resource
    win10v200217
  • submitted
    24-02-2020 13:25

General

  • Target

    0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0_0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0.exe

  • Size

    420KB

  • MD5

    d35cf3c2335666ac0be74f93c5f5172f

  • SHA1

    6ad9cab18d65c59fa99fd7f7f0ed59c09ce7693b

  • SHA256

    0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0

  • SHA512

    aa183d33ebab07e8877b5c2f623b6c768f89f2724f46b4a9c56b8e15845446029c33a66c4c2dffdaffbd850281a105c814071529d41222d3bfe1eea365af9613

Malware Config

Signatures

  • Drops file in Windows directory 1 IoCs
  • Drops autorun.inf file 1 TTPs 1 IoCs
  • Windows security modification 2 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 134 IoCs
  • UAC bypass 3 TTPs 1 IoCs
  • Modifies firewall policy service 2 TTPs 3 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 139 IoCs

Processes

  • C:\Windows\system32\fontdrvhost.exe
    "fontdrvhost.exe"
    1⤵
      PID:720
    • C:\Windows\system32\fontdrvhost.exe
      "fontdrvhost.exe"
      1⤵
        PID:724
      • C:\Windows\system32\dwm.exe
        "dwm.exe"
        1⤵
          PID:944
        • c:\windows\system32\sihost.exe
          sihost.exe
          1⤵
            PID:2704
          • c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k unistacksvcgroup -s CDPUserSvc
            1⤵
              PID:2712
            • c:\windows\system32\taskhostw.exe
              taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
              1⤵
                PID:2780
              • C:\Windows\Explorer.EXE
                C:\Windows\Explorer.EXE
                1⤵
                  PID:2932
                  • C:\Users\Admin\AppData\Local\Temp\0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0_0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0.exe
                    "C:\Users\Admin\AppData\Local\Temp\0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0_0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0.exe"
                    2⤵
                    • Suspicious use of WriteProcessMemory
                    • Suspicious use of SetWindowsHookEx
                    PID:2592
                    • C:\Users\Admin\AppData\Local\Temp\0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0_0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0.exe
                      "C:\Users\Admin\AppData\Local\Temp\0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0_0b283b3ee065c2a1a5d9b5fef691be7b70cf5c5f1371f5a6653ec35a998602a0.exe"
                      3⤵
                      • Drops file in Windows directory
                      • Drops autorun.inf file
                      • Windows security modification
                      • Suspicious use of WriteProcessMemory
                      • UAC bypass
                      • Modifies firewall policy service
                      • Checks whether UAC is enabled
                      • Windows security bypass
                      • Suspicious behavior: EnumeratesProcesses
                      • Suspicious use of AdjustPrivilegeToken
                      PID:3140
                • C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe
                  "C:\Windows\SystemApps\ShellExperienceHost_cw5n1h2txyewy\ShellExperienceHost.exe" -ServerName:App.AppXtk181tbxbce2qsex02s8tw7hfxa9xb3t.mca
                  1⤵
                    PID:3188
                  • C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe
                    "C:\Windows\SystemApps\Microsoft.Windows.Cortana_cw5n1h2txyewy\SearchUI.exe" -ServerName:CortanaUI.AppXa50dqqa5gqv4a428c9y1jjw7m3btvepj.mca
                    1⤵
                      PID:3208
                    • C:\Windows\System32\RuntimeBroker.exe
                      C:\Windows\System32\RuntimeBroker.exe -Embedding
                      1⤵
                        PID:3480
                      • C:\Windows\system32\DllHost.exe
                        C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
                        1⤵
                          PID:3808
                        • C:\Windows\system32\DllHost.exe
                          C:\Windows\system32\DllHost.exe /Processid:{973D20D7-562D-44B9-B70B-5A0F49CCDF3F}
                          1⤵
                            PID:3696

                          Network

                          MITRE ATT&CK Matrix ATT&CK v6

                          Initial Access

                          Replication Through Removable Media

                          1
                          T1091

                          Persistence

                          Modify Existing Service

                          1
                          T1031

                          Privilege Escalation

                          Bypass User Account Control

                          1
                          T1088

                          Defense Evasion

                          Disabling Security Tools

                          3
                          T1089

                          Modify Registry

                          4
                          T1112

                          Bypass User Account Control

                          1
                          T1088

                          Discovery

                          System Information Discovery

                          1
                          T1082

                          Lateral Movement

                          Replication Through Removable Media

                          1
                          T1091

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/3140-2-0x0000000000400000-0x0000000000424000-memory.dmp
                            Filesize

                            144KB

                          • memory/3140-3-0x00000000025C0000-0x000000000364E000-memory.dmp
                            Filesize

                            16.6MB