Overview

overview

10

Static

static

AppResolver.hta.dll

windows7_x64

1

AppResolver.hta.dll

windows10_x64

10

Resubmissions

05/01/2022, 17:38

220105-v74klsahdm10

05/01/2022, 14:49

220105-r617baagbm1

Analysis

  • max time kernel
    91s
  • max time network
    94s
  • platform
    windows10_x64
  • resource
    win10-es-20211208
  • submitted
    05/01/2022, 17:38

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    AppResolver.hta.dll
  • Size 569KB
  • Sample220105-v74klsahdm
  • SHA256 950ad539dfc8e16c07d24dbb37ae19daa0b2f32164ba0cb3c81fa7e689f274e1
  • MD5 SHA1 SHA512
Score
10/10
persistence

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 3 IoCs
    persistence
  • Registers COM server for autorun 1 TTPs
    persistence
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\AppResolver.hta.dll,#1
    1⤵
      PID:4036
    • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe
      C:\Users\Admin\AppData\Local\Microsoft\OneDrive\StandaloneUpdater\OneDriveSetup.exe /update /peruser /childprocess /extractFilesWithLessThreadCount /renameReplaceOneDriveExe /renameReplaceODSUExe /removeNonCurrentVersions /enableODSUReportingMode
      1⤵
      • Modifies system executable filetype association
      • Adds Run key to start application
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1944
      • C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe
        "C:\Users\Admin\AppData\Local\Microsoft\OneDrive\21.220.1024.0005\FileSyncConfig.exe"
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies registry class
        PID:1852

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads