General

  • Target

    018655556fe0544b51a8c4ed1a6a4e3845a6acfe8635fb4b7f304d6f4f845d8b

  • Size

    476KB

  • Sample

    220520-3whsrshfb9

  • MD5

    ce5c25d462cbef99251c3a8984f9fbdc

  • SHA1

    0bf44e4fb8764de6480d5a18c98c668d55da00f9

  • SHA256

    018655556fe0544b51a8c4ed1a6a4e3845a6acfe8635fb4b7f304d6f4f845d8b

  • SHA512

    47c15c543654dc493bc2fbc4a2752ab071b50282689e8f4135fcfbb72e48848c190300f5473c63c7c13bd87a3957a5c746fad48dacfaaf49a96ba1823854a742

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aylaalgan.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    20162016

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aylaalgan.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    20162016

Targets

    • Target

      018655556fe0544b51a8c4ed1a6a4e3845a6acfe8635fb4b7f304d6f4f845d8b

    • Size

      476KB

    • MD5

      ce5c25d462cbef99251c3a8984f9fbdc

    • SHA1

      0bf44e4fb8764de6480d5a18c98c668d55da00f9

    • SHA256

      018655556fe0544b51a8c4ed1a6a4e3845a6acfe8635fb4b7f304d6f4f845d8b

    • SHA512

      47c15c543654dc493bc2fbc4a2752ab071b50282689e8f4135fcfbb72e48848c190300f5473c63c7c13bd87a3957a5c746fad48dacfaaf49a96ba1823854a742

    • 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

    • Drops file in System32 directory

    • 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

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks