General

  • Target

    18896b3256b0f680ea314c37fdfa60f7a629c401aa3c543397438de83541d4df

  • Size

    435KB

  • Sample

    220521-bb663segan

  • MD5

    d4b9edadb0bee0d5f4d5e79f1290d012

  • SHA1

    e7218ba1c21d1e602dde1e0a70d3e0fe51f8f11d

  • SHA256

    18896b3256b0f680ea314c37fdfa60f7a629c401aa3c543397438de83541d4df

  • SHA512

    d9bc4a7338f892a9dccf92795d6f006e7d2380a9c8a7e9245b1224fca300203521cc1a066bdde7489ade9b496a6748c677fc91405bbdfe8197085a165e8a7060

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sup123st45

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sup123st45

Targets

    • Target

      FBA0KlDbyCLkrrq.exe

    • Size

      505KB

    • MD5

      08819db48ec45a6d8c752caf9bfe36be

    • SHA1

      deba244e556dd127dc200cd3fa03f4a47e459caa

    • SHA256

      dfdf88236afb5c46d1622fac66a2d5badd89bb9bd5fa18c247d1173375b51bbe

    • SHA512

      60ccf9f6fb1a95a227099c1eaadb05d5ce85bd56138b485e519c925293b9d2c8744d093f5ec428a57ad9fdacb374eb45b82ad173c5a1df7843120c4f78001f84

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks