General

  • Target

    e3bf1077e2dfc75592d9f064abc7ada64117a2478b23284e172f6cfa95b12484

  • Size

    497KB

  • Sample

    220521-prxt8sbbbl

  • MD5

    c7bd3d843cb7068e992cbefc3226607d

  • SHA1

    a02a4e8ee3bf3a7abf73e0dfa99145b60d1f4f09

  • SHA256

    e3bf1077e2dfc75592d9f064abc7ada64117a2478b23284e172f6cfa95b12484

  • SHA512

    515b4e085d34a2dd4069b6f93c08d8d8d856fec226ab58f7c4e9efcf73ee2820cba2e30e8126c6212d25b829a1b6f90c10bb6901f8f5ee4633d2817c9dc3a406

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rezuit.pro
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    grace1234

Targets

    • Target

      Reciept.exe

    • Size

      531KB

    • MD5

      a1d22134cff1b4aa46c8182a6e53d5ca

    • SHA1

      9873a836becb1c55473cddc412209bc72cbe43fe

    • SHA256

      29e48627a7f173fbbb821c3c136e48909acde6a2c488aec8ecaf7c12ba1df9c5

    • SHA512

      5325dd55fefc9fa95584929fd0e7ed556762dd9b40b3c9f3dface1ef1777c24ec0f9ac3e6ddda5ef569a4910ba29347db7e8f682a59d225342abe8dbbc572706

    • 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