General

  • Target

    b348fec694093d0c7abfd543d8467e72d49c3455ed67bd9ef6bdbf8b1657404e

  • Size

    746KB

  • Sample

    220521-n2ewqshfbq

  • MD5

    9f1a0c6c75b026dc75148e376ad11952

  • SHA1

    323b2b45d78460aaf7d2d086280e1da1c216dcea

  • SHA256

    b348fec694093d0c7abfd543d8467e72d49c3455ed67bd9ef6bdbf8b1657404e

  • SHA512

    15ffc42c23cb471c4753373f56cd14f2589ce7153bc787d4b060c8928d10375bebe3d1f5dc1ee9a957635c21c0ede7954180cf95ff8b8865fd85e63345980cd2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1234567890Bless#

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    1234567890Bless#

Targets

    • Target

      order.exe

    • Size

      933KB

    • MD5

      68d4c5277ba7dc8677e0efa97d45105c

    • SHA1

      25db18004d8968d97069929edce2edf21a0d0589

    • SHA256

      8f31366103542395f70f39b537d8355e0f59b1605884d0ad2dae0f5c8c8a49d2

    • SHA512

      76d04a5d0a17509a9b14d9371a4526c1b421b7d7d3925d0ac21d198333c0ff1c4592025c7ccdbfd8cf7ad2749b64d2f128aa904be4662451d6adf16c14cf6ef0

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

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