General

  • Target

    5e45717983c3908c361d3bfef012f81475c650e01457e1a60f1d9a82eeef67fd

  • Size

    525KB

  • Sample

    220521-arldwadfbk

  • MD5

    0748f647e657fe70934c1fe917beedb1

  • SHA1

    ec46cd1c634b9bee5bee88c17ba5677009885ba8

  • SHA256

    5e45717983c3908c361d3bfef012f81475c650e01457e1a60f1d9a82eeef67fd

  • SHA512

    7bd6b86e16c7afad27fb4b631607953eee6dd1941712f52b4c6df446a8a6341e45420a13ff45803992ee762b1b0aadccd0ac2f9fe18d0224294fd2945b5b73da

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    web2.changeip.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    6q]Xy%b8?AM~

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    web2.changeip.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    6q]Xy%b8?AM~

Targets

    • Target

      OC_0059284716.exe

    • Size

      732KB

    • MD5

      6511a18961fcd77ae02999e152c1fd89

    • SHA1

      44121e716b0d40f6f7b4d683b860c6c7fcf17a40

    • SHA256

      380e7e3441bb952722dded5a8d87c79257ed78dff7d6f9bcab307428b4200578

    • SHA512

      bf7c4881624ea36ed8147e6d7f6ecff87bd6b72bbb3fe13fbe0a5b5c12f39477c852017ccf806bafdf4784bf0cebd88d495a244f509c5789c2198dc72ddeb75e

    • 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