General

  • Target

    aa667be19c861a59464088524698c0097d5d8a461bae61f3c5c99b4fcaef4838.exe

  • Size

    854KB

  • Sample

    240612-cedvdaycna

  • MD5

    7c06761ac0e0ff7d288bc021187a0148

  • SHA1

    218930e7d5ddd01a15d4e9e36bf557380f5b674e

  • SHA256

    aa667be19c861a59464088524698c0097d5d8a461bae61f3c5c99b4fcaef4838

  • SHA512

    166426f0624c3e74cfcc16a01de001e8d00474fe18f53c928d966fe59af1b6e6b9ca972968284ab35cb447397f39109cbc1ad5aab25a6dafc31f19fbce61a905

  • SSDEEP

    24576:hg61jjk0LAta9ABDIPzDJSU93DeIdnnh/rPoMAITwNeZqhyk3E0/:CWzAEDeIhxTAIGeZqhyk0

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.musabody.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    MUSAbody_victoria2018

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      aa667be19c861a59464088524698c0097d5d8a461bae61f3c5c99b4fcaef4838.exe

    • Size

      854KB

    • MD5

      7c06761ac0e0ff7d288bc021187a0148

    • SHA1

      218930e7d5ddd01a15d4e9e36bf557380f5b674e

    • SHA256

      aa667be19c861a59464088524698c0097d5d8a461bae61f3c5c99b4fcaef4838

    • SHA512

      166426f0624c3e74cfcc16a01de001e8d00474fe18f53c928d966fe59af1b6e6b9ca972968284ab35cb447397f39109cbc1ad5aab25a6dafc31f19fbce61a905

    • SSDEEP

      24576:hg61jjk0LAta9ABDIPzDJSU93DeIdnnh/rPoMAITwNeZqhyk3E0/:CWzAEDeIhxTAIGeZqhyk0

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks