General

  • Target

    e7b1cf4b76def016284ea19d18724961.rtf

  • Size

    437KB

  • Sample

    240606-ba4dssdb9w

  • MD5

    e7b1cf4b76def016284ea19d18724961

  • SHA1

    426dd7535646fb296107795224b727c3d310aa64

  • SHA256

    d4a63dcfd079396e2b4aec12444dffb34c86afa42b0a39bc48660d8e0dc917a7

  • SHA512

    6972152ec1d3fe246877518d263574da80e9be7939db865da19ad4eb11cb689051ff1143fee86dc9de0f9608772a69a04e0e4459d01fc55dc250f021c9dc7462

  • SSDEEP

    3072:FwAlawAlawAlawAlawAlawAlawAlawAlawAlxzGGf7:FwAYwAYwAYwAYwAYwAYwAYwAYwAbzbj

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      e7b1cf4b76def016284ea19d18724961.rtf

    • Size

      437KB

    • MD5

      e7b1cf4b76def016284ea19d18724961

    • SHA1

      426dd7535646fb296107795224b727c3d310aa64

    • SHA256

      d4a63dcfd079396e2b4aec12444dffb34c86afa42b0a39bc48660d8e0dc917a7

    • SHA512

      6972152ec1d3fe246877518d263574da80e9be7939db865da19ad4eb11cb689051ff1143fee86dc9de0f9608772a69a04e0e4459d01fc55dc250f021c9dc7462

    • SSDEEP

      3072:FwAlawAlawAlawAlawAlawAlawAlawAlawAlxzGGf7:FwAYwAYwAYwAYwAYwAYwAYwAYwAbzbj

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks