General

  • Target

    6b38e25c6e111c4f041b048ff8a74c22a60f81d05ce6b5de283de5042c87aed0

  • Size

    366KB

  • Sample

    220521-dbdwmsadhj

  • MD5

    c944d513398d556991e18f3cbc4d33a9

  • SHA1

    37776e1822dfc58a4b309aeb88e8e0ef05d51d7a

  • SHA256

    6b38e25c6e111c4f041b048ff8a74c22a60f81d05ce6b5de283de5042c87aed0

  • SHA512

    9aab2147a545e89f3a99bf31518cda373b0024e3459207140c422f05a6af16c55bb76cb215dc0879635173e91f1313a775c43327f62b6b0c90a3975a3f962ed0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.prcpl.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    jyotika@2015

Targets

    • Target

      Request For Quote.exe

    • Size

      656KB

    • MD5

      d9bd911bcf5a9b6b29d10e805b8bb877

    • SHA1

      4812b2b03777351c93887a24087a36761ad1608e

    • SHA256

      96a3201fa6c5771d32d5ca7d7caee1cf66dfc635b5b2466d1eb5c4f105b6446a

    • SHA512

      c2c86ed6bff1eebd1f4c71c9860ea96c9a75ae8f38350b990f4ccf4530b55fbeb97b6172115493c3881f587cde4533242618e708f21886888b7fdbe5f0048109

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • UAC bypass

    • AgentTesla Payload

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Tasks