General

  • Target

    NEW RFQ.exe

  • Size

    760KB

  • Sample

    200731-bt5sk4lhae

  • MD5

    dac1de5239180e2069ab67c8a8e7c44b

  • SHA1

    0d1400e85febc34131236e94aff353ff681be293

  • SHA256

    49700ee70d04597630dacefa2203c0f12f412ece9a93ffdb09ab18e5cce00524

  • SHA512

    5d23cc399dfb610b596f8c10065ff45f2d6e4d382325539abbd3566f4211ef305f231a68c762c484681a785d0d1e0384775e990b8e8e1f44ba240724eaa7b392

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.flsrnidth.com
  • Port:
    587
  • Username:
    subbarayan.sathiyaraj@flsrnidth.com
  • Password:
    x{Op,7(4O+yl

Targets

    • Target

      NEW RFQ.exe

    • Size

      760KB

    • MD5

      dac1de5239180e2069ab67c8a8e7c44b

    • SHA1

      0d1400e85febc34131236e94aff353ff681be293

    • SHA256

      49700ee70d04597630dacefa2203c0f12f412ece9a93ffdb09ab18e5cce00524

    • SHA512

      5d23cc399dfb610b596f8c10065ff45f2d6e4d382325539abbd3566f4211ef305f231a68c762c484681a785d0d1e0384775e990b8e8e1f44ba240724eaa7b392

    • AgentTesla

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

    • AgentTesla Payload

    • 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