General

  • Target

    7914c86127da2dba709443a91dbb5d07f002cb22d909463834887af16c92ab98

  • Size

    1.1MB

  • Sample

    210121-5fv16p5q3j

  • MD5

    ea99845d17bdac5f44cf44a74c2fc061

  • SHA1

    56a5c4e9879ef44c8853ee24aa78cd5ebb6da9cd

  • SHA256

    7914c86127da2dba709443a91dbb5d07f002cb22d909463834887af16c92ab98

  • SHA512

    69dde572cb13a0d280cf3f44ea090395f93462cfabae3af34ed4ca5701b0c91fedb33ea990c8686791bc7000df16a16f7a83f13b7b1e6871b78fe8073d7cd69a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bluescorpesteel.com
  • Port:
    587
  • Username:
    kelly.muir@bluescorpesteel.com
  • Password:
    #UwKu**2

Targets

    • Target

      7914c86127da2dba709443a91dbb5d07f002cb22d909463834887af16c92ab98

    • Size

      1.1MB

    • MD5

      ea99845d17bdac5f44cf44a74c2fc061

    • SHA1

      56a5c4e9879ef44c8853ee24aa78cd5ebb6da9cd

    • SHA256

      7914c86127da2dba709443a91dbb5d07f002cb22d909463834887af16c92ab98

    • SHA512

      69dde572cb13a0d280cf3f44ea090395f93462cfabae3af34ed4ca5701b0c91fedb33ea990c8686791bc7000df16a16f7a83f13b7b1e6871b78fe8073d7cd69a

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks