General

  • Target

    49ce2e1dc677ae8dbf647b088154bd787b4fe637702a4ed00eb7cdae762e6069.exe

  • Size

    734KB

  • Sample

    240312-cx5qtafe56

  • MD5

    2121109e757872c872e023792d7506f4

  • SHA1

    c9c55215f18a8732e5404ede2d4fd3c93ad18d4a

  • SHA256

    49ce2e1dc677ae8dbf647b088154bd787b4fe637702a4ed00eb7cdae762e6069

  • SHA512

    bacc16a8b9f1195ee84d3f9fa7a65c9d0226a40b636b80227c1219b104d82f91b8f2c8be912674e6e5d518fc5dc2c7a60feafd09526de5f3582b5267a7f56ecc

  • SSDEEP

    12288:pW5w20+8qu9GARo0X8MUbY2mZCf8cZ0Wwprs4ACSVGx2ioSwgZGRPWcnq0lcKc6H:92/+KI8MUf3n+sxJiggZGRPWcnq0lcKN

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.gencoldfire.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mh7B/7[hSO#bYHw1

Targets

    • Target

      49ce2e1dc677ae8dbf647b088154bd787b4fe637702a4ed00eb7cdae762e6069.exe

    • Size

      734KB

    • MD5

      2121109e757872c872e023792d7506f4

    • SHA1

      c9c55215f18a8732e5404ede2d4fd3c93ad18d4a

    • SHA256

      49ce2e1dc677ae8dbf647b088154bd787b4fe637702a4ed00eb7cdae762e6069

    • SHA512

      bacc16a8b9f1195ee84d3f9fa7a65c9d0226a40b636b80227c1219b104d82f91b8f2c8be912674e6e5d518fc5dc2c7a60feafd09526de5f3582b5267a7f56ecc

    • SSDEEP

      12288:pW5w20+8qu9GARo0X8MUbY2mZCf8cZ0Wwprs4ACSVGx2ioSwgZGRPWcnq0lcKc6H:92/+KI8MUf3n+sxJiggZGRPWcnq0lcKN

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • Detect packed .NET executables. Mostly AgentTeslaV4.

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

    • Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • 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

    • 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