General

  • Target

    ctf.exeqvekahke

  • Size

    696KB

  • Sample

    220522-f2a9jsahhl

  • MD5

    8873c4eb8f79f88b60242a627d281d97

  • SHA1

    9dd890362ea4edbca5180083c135455942e29c4c

  • SHA256

    02c460bda27f5171c39df0fa18b8c103c0b9a5aed1a1a114b51e3b6758e77364

  • SHA512

    4edfbfebd9762e8fd542e2096b66e913f83b6c53fac78ead9f620dac9a603cbb1d0749b22270beb9f25eaaf20100f6f6f1924aa3b57534709495235ae7ae4b1f

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.storewel.com
  • Port:
    587
  • Username:
    hr@storewel.com
  • Password:
    windows8.1#

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.storewel.com
  • Port:
    587
  • Username:
    hr@storewel.com
  • Password:
    windows8.1#

Targets

    • Target

      ctf.exeqvekahke

    • Size

      696KB

    • MD5

      8873c4eb8f79f88b60242a627d281d97

    • SHA1

      9dd890362ea4edbca5180083c135455942e29c4c

    • SHA256

      02c460bda27f5171c39df0fa18b8c103c0b9a5aed1a1a114b51e3b6758e77364

    • SHA512

      4edfbfebd9762e8fd542e2096b66e913f83b6c53fac78ead9f620dac9a603cbb1d0749b22270beb9f25eaaf20100f6f6f1924aa3b57534709495235ae7ae4b1f

    • AgentTesla

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

    • 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