General

  • Target

    ads-macro.exe

  • Size

    37.3MB

  • Sample

    240920-yp1yjsvflk

  • MD5

    c1bc3fa13dce6f3fe04aea93a5502fa8

  • SHA1

    d8ecf9d69eda52e5a9bd3348e7f1ca1f30659317

  • SHA256

    81260dda51d81c022c8c4b6aed1a3218d3414542a45daec452fbd9496c2938b1

  • SHA512

    b2ad1a2fa7091db30483fe7beff3abe9a9427d225cd7ffb2b632e178e4620a4a88e09cd0fdcabd31666c4e07b48c97e7c128156a15d06ac8fe4a50fcefef4afb

  • SSDEEP

    393216:lQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgL96l+ZArYsFRlNHx:l3on1HvSzxAMNLFZArYs0Pva7OZMT3

Malware Config

Targets

    • Target

      ads-macro.exe

    • Size

      37.3MB

    • MD5

      c1bc3fa13dce6f3fe04aea93a5502fa8

    • SHA1

      d8ecf9d69eda52e5a9bd3348e7f1ca1f30659317

    • SHA256

      81260dda51d81c022c8c4b6aed1a3218d3414542a45daec452fbd9496c2938b1

    • SHA512

      b2ad1a2fa7091db30483fe7beff3abe9a9427d225cd7ffb2b632e178e4620a4a88e09cd0fdcabd31666c4e07b48c97e7c128156a15d06ac8fe4a50fcefef4afb

    • SSDEEP

      393216:lQgHDlanaGBXvDKtz+bhPWES4tiNQPNrIKc4gaPbUAgrO4mgL96l+ZArYsFRlNHx:l3on1HvSzxAMNLFZArYs0Pva7OZMT3

    • UAC bypass

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • 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

    • Blocklisted process makes network request

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

MITRE ATT&CK Enterprise v15

Tasks