General

  • Target

    SWIFT Transfer (103) W071323.exe

  • Size

    633KB

  • Sample

    201125-4rrzhxfzq2

  • MD5

    eb62bf5e10bc9b1fb721de826a7734d5

  • SHA1

    f9f4011897b2c5f4dc334fda7150bb2379603104

  • SHA256

    4ba06204794721bfcdf7e879482acab210581041d032375ab7ddd16ffff96457

  • SHA512

    31fcaa7e302d773420e4bc1d24854e8a14b88d68aecfbc20ed8c32ccfd45cf0c4d5070aa2a616a70a1b47e8d72e885c14e10d0163574f2a32e2bb1ff8c6a28a6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lockitsolutions.co.ke
  • Port:
    587
  • Username:
    info@lockitsolutions.co.ke
  • Password:
    v5EiMp)41RR_

Targets

    • Target

      SWIFT Transfer (103) W071323.exe

    • Size

      633KB

    • MD5

      eb62bf5e10bc9b1fb721de826a7734d5

    • SHA1

      f9f4011897b2c5f4dc334fda7150bb2379603104

    • SHA256

      4ba06204794721bfcdf7e879482acab210581041d032375ab7ddd16ffff96457

    • SHA512

      31fcaa7e302d773420e4bc1d24854e8a14b88d68aecfbc20ed8c32ccfd45cf0c4d5070aa2a616a70a1b47e8d72e885c14e10d0163574f2a32e2bb1ff8c6a28a6

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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