General

  • Target

    DHL SHIPPING INVOICE DOCUMENTS.doc

  • Size

    1.9MB

  • Sample

    210122-rkz8fkjvbe

  • MD5

    8a415789b67c76118e31ca3748f528d0

  • SHA1

    96ff9794cf429dd2bd8c7744622e28df2d6032a0

  • SHA256

    c6b6c3ad94852d0fb8d6cf6d3aa2c4bfd14c627287317a72995a4c59a12d331e

  • SHA512

    c89a719a3a48b61f6db38c8041e61ad83c387daaa280ca1380687c71038d39fe5961c3eb92adad047f826220ab6c95c6d508ee053590187bb4286a7849c8d103

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    superstars@sardaplywood.com
  • Password:
    sup123st45

Targets

    • Target

      DHL SHIPPING INVOICE DOCUMENTS.doc

    • Size

      1.9MB

    • MD5

      8a415789b67c76118e31ca3748f528d0

    • SHA1

      96ff9794cf429dd2bd8c7744622e28df2d6032a0

    • SHA256

      c6b6c3ad94852d0fb8d6cf6d3aa2c4bfd14c627287317a72995a4c59a12d331e

    • SHA512

      c89a719a3a48b61f6db38c8041e61ad83c387daaa280ca1380687c71038d39fe5961c3eb92adad047f826220ab6c95c6d508ee053590187bb4286a7849c8d103

    • AgentTesla

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

    • AgentTesla Payload

    • Blocklisted process makes network request

    • 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

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks