General

  • Target

    PO #047428.exe

  • Size

    684KB

  • Sample

    210127-bya3eltg86

  • MD5

    747ce85eef93567c5676649aef9c00b8

  • SHA1

    99cb598151f63f464ed92c3e42749721cbc9091b

  • SHA256

    bc445fd5e14be52b529f507908767c8cf463d49b0b3353923bc308e64da81bda

  • SHA512

    d338a922ae19ccab49c2a80ab558b8573f24a4ca57aa7c1a3dcd1c0f9f7b44796d45ac50a4954463525e3e54f22858217dd71d0370bc78a88f4051dcfeceac1f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sharqcapital.qa
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    zoAr6!y[h*Qp

Targets

    • Target

      PO #047428.exe

    • Size

      684KB

    • MD5

      747ce85eef93567c5676649aef9c00b8

    • SHA1

      99cb598151f63f464ed92c3e42749721cbc9091b

    • SHA256

      bc445fd5e14be52b529f507908767c8cf463d49b0b3353923bc308e64da81bda

    • SHA512

      d338a922ae19ccab49c2a80ab558b8573f24a4ca57aa7c1a3dcd1c0f9f7b44796d45ac50a4954463525e3e54f22858217dd71d0370bc78a88f4051dcfeceac1f

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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.

    • 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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks