General

  • Target

    12cb7bcd50b563ce4593361132fb310b7590ab1a9cca0d3acc420dd85c26cc81

  • Size

    720KB

  • Sample

    240429-bkeheseb9w

  • MD5

    ce8a3dba8be61b953ecfb90e63c16df6

  • SHA1

    4896142ee75e263782e088a764f1e15366e2ac5f

  • SHA256

    12cb7bcd50b563ce4593361132fb310b7590ab1a9cca0d3acc420dd85c26cc81

  • SHA512

    7ec6c57ba0cfa64cfef0aaad2c3d46e52178c61175fefca4849a320dd2f72af1bf8ca1d51de86788086bea118ef4a5831d27b6ae77ec1f77a96c234b6bcd0efd

  • SSDEEP

    12288:WWYIPXjxannnHg2jhdgsmjzVp5vcvKLhbo8GeB9tmmx1f767N8KbV5TuweyKDkQk:WWYIPFannnHg2fPEV7cyhsELtJBojV5V

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lamcopaper.com
  • Port:
    587
  • Username:
    susan.bendicion@lamcopaper.com
  • Password:
    @Lamco1407
  • Email To:
    bombsking501@gmail.com

Targets

    • Target

      12cb7bcd50b563ce4593361132fb310b7590ab1a9cca0d3acc420dd85c26cc81

    • Size

      720KB

    • MD5

      ce8a3dba8be61b953ecfb90e63c16df6

    • SHA1

      4896142ee75e263782e088a764f1e15366e2ac5f

    • SHA256

      12cb7bcd50b563ce4593361132fb310b7590ab1a9cca0d3acc420dd85c26cc81

    • SHA512

      7ec6c57ba0cfa64cfef0aaad2c3d46e52178c61175fefca4849a320dd2f72af1bf8ca1d51de86788086bea118ef4a5831d27b6ae77ec1f77a96c234b6bcd0efd

    • SSDEEP

      12288:WWYIPXjxannnHg2jhdgsmjzVp5vcvKLhbo8GeB9tmmx1f767N8KbV5TuweyKDkQk:WWYIPFannnHg2fPEV7cyhsELtJBojV5V

    • 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 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

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