General

  • Target

    INVOICE-0899877.jar

  • Size

    1.0MB

  • Sample

    210226-1e4dvxtpk6

  • MD5

    69177a6a0ac1953b7fe870f44d0b08b5

  • SHA1

    050090f180f571711def0706a23e32a715ec5be5

  • SHA256

    381768716f30918b472bb41e9aca29d1b01643ec1892545453d104f03bc2a612

  • SHA512

    b03921f0e1ad1df192b6c85663fdcb22700808829c02356ee9a82623267553b77b974f14bdf710b4fd523ccee97c0d31cae9fcf0989c85712f65e607e7a665dd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.potagrup.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Pgrup@2021

Targets

    • Target

      INVOICE-0899877.jar

    • Size

      1.0MB

    • MD5

      69177a6a0ac1953b7fe870f44d0b08b5

    • SHA1

      050090f180f571711def0706a23e32a715ec5be5

    • SHA256

      381768716f30918b472bb41e9aca29d1b01643ec1892545453d104f03bc2a612

    • SHA512

      b03921f0e1ad1df192b6c85663fdcb22700808829c02356ee9a82623267553b77b974f14bdf710b4fd523ccee97c0d31cae9fcf0989c85712f65e607e7a665dd

    • AgentTesla

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

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger Payload

    • AgentTesla Payload

    • Beds Protector Packer

      Detects Beds Protector packer used to load .NET malware.

    • Executes dropped EXE

    • Drops startup file

    • 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.

    • 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

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks