General

  • Target

    25d6e3b978647011109bdc17d862feb6d6460d8bc885e0dbfaf3eab879d61cb5

  • Size

    374KB

  • Sample

    220521-pcl47aacbk

  • MD5

    0421b20f74fffb37dc6a4edd148863ac

  • SHA1

    d0a8be0d0874a3c464245ab6656e8388b5664efd

  • SHA256

    25d6e3b978647011109bdc17d862feb6d6460d8bc885e0dbfaf3eab879d61cb5

  • SHA512

    e71677933f1a09387f44832282bd0c72c069fec1b1955c231d61528f9213878ebee7d471d74e941014eaef9d0c94b6550ed993a371a49994cb947f1cdb2e9e87

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.citotest.co
  • Port:
    587
  • Username:
    sandy@citotest.co
  • Password:
    PLAYBOY@123

Targets

    • Target

      Order No. BCM190282_pdf.exe

    • Size

      826KB

    • MD5

      69e545d71bc4c5ce0e183ff07de3a461

    • SHA1

      a9ad99446510ffeb6df4674e347759e75636620a

    • SHA256

      8e4f6a245cfec457659dbed6b01543fa43cbdb623afa53185e27fa82ddb5a79d

    • SHA512

      76e36c9586afa56f0ce68bca5a2413edbd7c97142362f9803c6b8fa336e81fff87c817c1f53c562c531b140c70f4d79758a91eea1ad7f845e01414186e485431

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

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