General

  • Target

    767a4fed81e0d2b5605ed8a42b4f504b4bff6a294cfeb05e1342ddb6a16360dc

  • Size

    501KB

  • Sample

    220521-nbv52agedn

  • MD5

    48c593035eb4517cd4378fa12a44ad71

  • SHA1

    44bcb343126ccaf63198584ca15fa141987739e6

  • SHA256

    767a4fed81e0d2b5605ed8a42b4f504b4bff6a294cfeb05e1342ddb6a16360dc

  • SHA512

    4ad3c6037adc29bbe6e760cea5ee574a499037461d4c917fb8e0711032ae4c57729fd9cf8a3b6c3e0c24d4b6b4031337596ac305497f1e66fdccb9e675bdecf8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    srvc13.turhost.com
  • Port:
    587
  • Username:
    info@bilgitekdagitim.com
  • Password:
    italik2015

Targets

    • Target

      p9Xgnuhx4tNRjsE.exe

    • Size

      586KB

    • MD5

      a2415c6836e64fc1c9ed53febcff620e

    • SHA1

      acf8390606054575f9a54084450c2d1230b38828

    • SHA256

      a52df6fbfa534f162855c39194591cbafef749a4c24a0d3c1dc80c1125453f26

    • SHA512

      8beb57049b29efa079ba5fd2923a53fcef773647483da12f0662b0788248ef97cb9b3e3cc3bbc21832c8ac3abef3d749500598f681e7c2377a57368a7cb001f0

    • 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