Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:28

General

  • Target
    e424e9bbd3853459d205936d047a3bd08529ffb857dcc47a279e5c2c9fa820f1.exe
  • Size 8.9MB
  • Sample201109-n18wekdkma
  • SHA256 e424e9bbd3853459d205936d047a3bd08529ffb857dcc47a279e5c2c9fa820f1
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • UAC bypass 3 TTPs
  • Executes dropped EXE 1 IoCs
  • Sets file execution options in registry 2 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • JavaScript code in executable 1 IoCs
  • Drops file in System32 directory 343 IoCs
  • Drops file in Program Files directory 348 IoCs
  • Drops file in Windows directory 1737 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e424e9bbd3853459d205936d047a3bd08529ffb857dcc47a279e5c2c9fa820f1.exe
    "C:\Users\Admin\AppData\Local\Temp\e424e9bbd3853459d205936d047a3bd08529ffb857dcc47a279e5c2c9fa820f1.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3084
    • C:\Windows\svchost.exe
      "C:\Windows\svchost.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:3592

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3592-2-0x0000000000400000-0x00000000004DA000-memory.dmp