General

  • Target

    a5cd8ca939d65665cbc56803ae529488fb4df5811682158dabc57d4a95e4455d

  • Size

    644KB

  • Sample

    220521-aaj5gshhd9

  • MD5

    a1ddc26c4ff2cca5032ebe43e6bbb898

  • SHA1

    6e8f2c232f3e7de6e86890057abb68c6071ae95e

  • SHA256

    a5cd8ca939d65665cbc56803ae529488fb4df5811682158dabc57d4a95e4455d

  • SHA512

    a2076515a3f53d9b2301fa98a080c24d9fb4b10c400246a0e79d7e1f7c512ee5a7005f2a431213c50aa0b62816c25340934e5a8af6b34ca3277f0f841a517fc5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    71c7eb1f8baa88

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    71c7eb1f8baa88

Targets

    • Target

      Revised Quotation Climax.exe

    • Size

      582KB

    • MD5

      6e1cd36b3d427765d30394a961907473

    • SHA1

      777bc442f8badc30d242bcaa8d6f5ea2acc3f657

    • SHA256

      6ef4857528ebdf69a08e1b525532c5cbd8e31216cba7a2e8be432cc7c3849123

    • SHA512

      95e08daaaf0e75929dc52cb554771780d40bdee80c39b4172bb88c4ca5ad29c3c79c951c60ffd981bbc463c5684bb422a6d2a4e0109cc25d1c2351ff7553e3cd

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks