General

  • Target

    INVOICE AND PARKING LIST.zip

  • Size

    554KB

  • Sample

    221129-qmsv6afc5x

  • MD5

    f4b9aa27c958ceb518b88b739b481bcb

  • SHA1

    c28ebf00d557d6790dd8326c0c67353ced1cc686

  • SHA256

    906862566ff536f68dfc49a60c3894d4d74067544227570c13cd2f1a3e21b78f

  • SHA512

    aab938a3b8862d8b0fa802ea7cdeaa6f338e9e1cb8633e4acb4061ab2c9e99766a0433469b89e9e491bc6a9781d04741692e80a66c2c29e38d9e054fa530584f

  • SSDEEP

    12288:i3zi+iJJc+XiOXrq7gRCIi97ZagoxSuhnlYaAEtCucH8r0Yv9Oled5:iBinc+XiOXrqwkcLH9AACucHkqle3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.southernboilers.org
  • Port:
    587
  • Username:
    info@southernboilers.org
  • Password:
    Sksmoke2018#
  • Email To:
    obtxxxtf@gmail.com

Targets

    • Target

      INVOICE AND PARKING LIST.exe

    • Size

      668KB

    • MD5

      9efabcfe6bfbfa5dda90ad4dc5894040

    • SHA1

      07c7cdac9aa0658d374331c4b35a9d0190eadbee

    • SHA256

      05472a071f902b974d4ce0d2e605058580f86ab1ad7b6c201c6f9b38608c9b4d

    • SHA512

      bae5eb2fb1dcb683ccab5b4c5f6857ffe300b1719378050e5aab1f97e0c748dbbb5abe91b32cbe8aea3615069f0903a376310ad68ad4ad60d80f1933100e0855

    • SSDEEP

      12288:wFkzrbETClCHskFgFwIyXCDP0SLZigmxSuhnlYiAEt+Ccf8r2Yt93cr:Z76CIskFgqIyXyLOLHbAA+Ccfkg

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

4
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks