General

  • Target

    c490fa448da4d8da4dd98e781162eb915dda066ba1bc08bd301fc3bc3f98e888

  • Size

    384KB

  • Sample

    220520-2wb5jsgba5

  • MD5

    f4d1126e290f638f94cdc4baa2a1b288

  • SHA1

    7dce98e8835a2ead3e49565bf2c5a15532123be5

  • SHA256

    c490fa448da4d8da4dd98e781162eb915dda066ba1bc08bd301fc3bc3f98e888

  • SHA512

    a30a009042054d87231607866914fb626d91c86ab2c4e9020a4bb1d733840a497961c80137f5decd34300a550ec36d7f50aeb2baf556da86a89da7035ed9830c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @jaffinmarknma@344

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @jaffinmarknma@344

Targets

    • Target

      RFQ1.exe

    • Size

      439KB

    • MD5

      ff2bd7b477cf94aae1392840d4e2bbf8

    • SHA1

      1c4fbec12640050cccc4f1267bfa6879331c9fad

    • SHA256

      2b23bd3f75f21fca9811b646ade99f92cbd26e4892c1f8079716d1925797edb3

    • SHA512

      08f4d115ae82ee970e1d816d897dd4a96765b0154aa12661298be7840a18a74b834925b465d19f80d3be7c52bbb40d78c89cebff63822a9d3f6ef71cbafa57df

    • 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