General

  • Target

    Bulk Order - 1017C.exe

  • Size

    503KB

  • Sample

    201125-n1majtdb4n

  • MD5

    1891f15519993e34b9970b145d5611a1

  • SHA1

    f480a6cc3bb5b4d1de71fbe178f564b44a50f3c6

  • SHA256

    110d2992ff818e33d57b33a3c502bade99099583d0e3e64c6fbe0f92822384bd

  • SHA512

    035b21affbb7f656172974075f6571218ea9e5b884ca5db018c272184271da0d75d057068468060003b3ff45329c8bd524ac06e1a0d4d82949498151fee34829

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

      Bulk Order - 1017C.exe

    • Size

      503KB

    • MD5

      1891f15519993e34b9970b145d5611a1

    • SHA1

      f480a6cc3bb5b4d1de71fbe178f564b44a50f3c6

    • SHA256

      110d2992ff818e33d57b33a3c502bade99099583d0e3e64c6fbe0f92822384bd

    • SHA512

      035b21affbb7f656172974075f6571218ea9e5b884ca5db018c272184271da0d75d057068468060003b3ff45329c8bd524ac06e1a0d4d82949498151fee34829

    • 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