General

  • Target

    d5abb25525e0b508c67f8f8744e082ecbbf0ba352e0e35018e9a90e6812e71e1

  • Size

    437KB

  • Sample

    220520-3qvkdaccbp

  • MD5

    4cd327a5a523ce852a073647e4b77d71

  • SHA1

    f7bed465978c5c7f19c002aafe649515bf06247c

  • SHA256

    d5abb25525e0b508c67f8f8744e082ecbbf0ba352e0e35018e9a90e6812e71e1

  • SHA512

    4a6156adff9f25619063151d7f9e582f1b036841f092b8afa6a8b80c1267a3e69e930baeb764430cf5b4d198063ffd73c36861db92ad615d35a0db674c731162

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pierreinsurancebrokers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    advisor@1234

Targets

    • Target

      Documento de envío.exe

    • Size

      510KB

    • MD5

      056e6acf893464db30dae11eaf6695dc

    • SHA1

      1d834085eb5beb39c5507bc1ff8269af05b6d7d7

    • SHA256

      514c7f4384728fe67e4073654dcb51db0b07c8bb3bdb47c08779f4e8cec01f8a

    • SHA512

      e4550f6208d412551f4d9d99977e7b85b3c06903a4e19637fce5af1e3cb527078b611d8b77158519e3480c1eeaf5d2cf16f972fd881119aba5bd3e1e3749cf2e

    • 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