General

  • Target

    97f312417f59be41485a5bd02192e7aca4a501d48fdfd4bd69394b8cbc63095c

  • Size

    528KB

  • Sample

    220521-ac94paaaf7

  • MD5

    36ea0d5e6a1c87437c79c8250ad22490

  • SHA1

    72db0f9324dcc5075ff32b27e3984e9eea4ace14

  • SHA256

    97f312417f59be41485a5bd02192e7aca4a501d48fdfd4bd69394b8cbc63095c

  • SHA512

    34eae6967665520fb0c56aef43c10fab6ccb2abf8c261ffa218628f11fc3671b0373dc70638832dadda3f14034b3e37ba172bdfcd5eb17754bb671537df27e89

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.itdone.cz
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    viObavejMa

Targets

    • Target

      RFQ-2251.exe

    • Size

      467KB

    • MD5

      a8426b5bad6bc128155701a777d03900

    • SHA1

      c6257f2c917ccd2a45bb81440114ff63292eff91

    • SHA256

      4bebecd4e0286af21b88e3b1d71b34f9567e8c21e99bb0145ad718a0d7353b11

    • SHA512

      24b41a75180b4f1cf8a49d47c74a4e13b772ca15d27e3b4d1a5e83b8b8b8f29f0203f8c26c813725cb78d76c8db0cf0c80e8623217646f98c58a027c00ae6224

    • 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