General

  • Target
    ExLoader_Installer.zip
  • Size 23.7MB
  • Sample260730-tehl1a1gre
  • SHA256 ed76f841d866a82c26d0f5b59a41ea89deef85d5819f3ba9e7dcb0212c073e0d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      ExLoader_Installer.exe
    • Size 173KB
    • SHA256 93006384d339208d7125662bd928722cb3d1ac08855d46fe4fa2d6579e1260f1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks for any installed AV software in registry

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Target
      audioplayers_windows_plugin.dll
    • Size 201KB
    • SHA256 2680c92a0203df659f00de9bb4c350a24096c3714fef18b6649d89666ec876a1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      data/app.so
    • Size 21.6MB
    • SHA256 bb87ccb65b9c9da39d4380451a0682337f3f7cc23342efdf961aedc103afeb13
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      flutter_windows.dll
    • Size 20.3MB
    • SHA256 011e87e890b7bfbac89f63c763341ffb8393d2b4a617dd836c471a0cdaa1346f
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      msvcp140.dll
    • Size 540KB
    • SHA256 def46aa6a8f72f27bafac0c43334419486a4d1dcdb6c479a8ef7034b3e1fa4cb
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      permission_handler_windows_plugin.dll
    • Size 113KB
    • SHA256 6115910d401645c079cd6a1eb76c27717d9692289b8747160fd152d702702459
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      url_launcher_windows_plugin.dll
    • Size 96KB
    • SHA256 71086a2b5361259a8a45c7f009a38d8ee4be2d50ffe4bc28b1b8695063cc7fc8
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vcruntime140.dll
    • Size 120KB
    • SHA256 184146852727a9db4eea06178716bec3cdbb1015c911f6b0f915b184ad7775b2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10
    • Target
      vcruntime140_1.dll
    • Size 46KB
    • SHA256 e6bfb3662ab4b1969a73441dbe35c96d51441b6bff8cf1fe7430bd5b246ca605
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    1/10

MITRE ATT&CK Enterprise v16

Tasks