General

  • Target

    e128cb520eab37640e2a920d6eae4c3c

  • Size

    437KB

  • Sample

    240327-jqhq2afg94

  • MD5

    e128cb520eab37640e2a920d6eae4c3c

  • SHA1

    fd849289d8cdc50a8e92928c5db7fe498a649f99

  • SHA256

    9552f67eb89c13407a6055a924b006024fb1874b206e594acd36617a2a676b17

  • SHA512

    2f7f12818848eb57277c30e1fbecd5c9e042984a3be49af9aebc2274b23aa6df827098ad9106cfed4992219e8560b6c430cf5bc5d242f9057932148884c3ca4f

  • SSDEEP

    6144:5Eu4bffQytnh69GH1bsWV8VXaFAWmibSq2xazegFfu5sfs19U+GODHZfne7:JRWw9GH1bdiUmJq2yepsfIq36

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    benneth1975@@

Targets

    • Target

      e128cb520eab37640e2a920d6eae4c3c

    • Size

      437KB

    • MD5

      e128cb520eab37640e2a920d6eae4c3c

    • SHA1

      fd849289d8cdc50a8e92928c5db7fe498a649f99

    • SHA256

      9552f67eb89c13407a6055a924b006024fb1874b206e594acd36617a2a676b17

    • SHA512

      2f7f12818848eb57277c30e1fbecd5c9e042984a3be49af9aebc2274b23aa6df827098ad9106cfed4992219e8560b6c430cf5bc5d242f9057932148884c3ca4f

    • SSDEEP

      6144:5Eu4bffQytnh69GH1bsWV8VXaFAWmibSq2xazegFfu5sfs19U+GODHZfne7:JRWw9GH1bdiUmJq2yepsfIq36

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks