General

  • Target

    3fe3583b88bdd323f3472c53cc4e539423576694421176542a65473a1860cf77

  • Size

    727KB

  • Sample

    240523-cxmv1aag53

  • MD5

    9f185fb71c269d1f66c3838afbc83813

  • SHA1

    843022ec4c61214d95206cb715ec44861bd45103

  • SHA256

    3fe3583b88bdd323f3472c53cc4e539423576694421176542a65473a1860cf77

  • SHA512

    f6fb6861eec520275660d662901cf463206f094df2d961e82632c7666b33c3e4be17fa5e0250df4d8185ff8f443475aaef2e27b1c4069d8871e179d42f68b966

  • SSDEEP

    12288:/VniETpboDXj7O2klceKOe0GAF0dJmpyaZjo5ZqzMxad00On1Xv8mY4p36wRh9aI:d7bEunLRA/mpViuMwJ08n4p36w84vrv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.activefreightpak.com
  • Port:
    587
  • Username:
    sales11@activefreightpak.com
  • Password:
    AFSPL**77**
  • Email To:
    ptjz.acc@gmail.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.activefreightpak.com
  • Port:
    587
  • Username:
    sales11@activefreightpak.com
  • Password:
    AFSPL**77**

Targets

    • Target

      3fe3583b88bdd323f3472c53cc4e539423576694421176542a65473a1860cf77

    • Size

      727KB

    • MD5

      9f185fb71c269d1f66c3838afbc83813

    • SHA1

      843022ec4c61214d95206cb715ec44861bd45103

    • SHA256

      3fe3583b88bdd323f3472c53cc4e539423576694421176542a65473a1860cf77

    • SHA512

      f6fb6861eec520275660d662901cf463206f094df2d961e82632c7666b33c3e4be17fa5e0250df4d8185ff8f443475aaef2e27b1c4069d8871e179d42f68b966

    • SSDEEP

      12288:/VniETpboDXj7O2klceKOe0GAF0dJmpyaZjo5ZqzMxad00On1Xv8mY4p36wRh9aI:d7bEunLRA/mpViuMwJ08n4p36w84vrv

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks