General

  • Target

    4a2d4c31182ce33cd61c2f7d5e477b3e136e938ff37144230e3abc2b56a73418

  • Size

    633KB

  • Sample

    220520-2h875aaebp

  • MD5

    6c05ea286721c775759b9672a2b64e75

  • SHA1

    1581453cf97423722ceb23078fecfb49274737dc

  • SHA256

    4a2d4c31182ce33cd61c2f7d5e477b3e136e938ff37144230e3abc2b56a73418

  • SHA512

    56f1941cfcc9ad643d3b3376d4da56098bd3eaef583195189f62bb8a0460cef2eee5e1f3e6a094960ab190ac267f1ccde49294ea8593b8aa2a88ce0e2dae8972

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vikash12345

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vikash12345

Targets

    • Target

      MSDS - PVC K70 black.exe

    • Size

      661KB

    • MD5

      324565d1a0087eacd3dfd4e306ee1e93

    • SHA1

      bf1d1e2a3833f4effff98d62509e8c71e3356cb7

    • SHA256

      d3d2a5f1c622f67d7d1fb4a897e45b3daf5a41a1867219f71dec53131dff58b6

    • SHA512

      2d9249953f26a73413106e30e295e909cc54f1254c0818a7347a7988c1a595e17fdc1e9cce7d238fccde442875ddc365ee7ca81273dcd694b7fa184dfe819364

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • Adds Run key to start application

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks