General

  • Target

    e65f8d2fdb468b6bc82596cb91c64e7ef3cd5ad4f5b1a5bfe8bbfbf15c918052

  • Size

    632KB

  • Sample

    240329-b7jewseh37

  • MD5

    fdc35abe4f2ad4fac43919771f92fa1b

  • SHA1

    5cdbc4a072ba78be0017b676fadc4590dcbfdb33

  • SHA256

    e65f8d2fdb468b6bc82596cb91c64e7ef3cd5ad4f5b1a5bfe8bbfbf15c918052

  • SHA512

    d7f77b04e8a38ec47d2d3493b5d1ed713e2bcf61f7b0216cd6e68685e05b24c43de936e4c0e510e4e9fcf11b5752d271d049921e6d48789c3dfcb8263a071cd0

  • SSDEEP

    12288:Ke0yeIxcqsBnanEtdtdps7N6LQfN2hKdQ0FuOno7cn2ESnFEyKjg/U:KBScpzuB6LQfNSpb7ISNU

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.afamiahotelresort.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AfamiaIT@20164

Targets

    • Target

      PO%2373182.exe

    • Size

      672KB

    • MD5

      6494de6ad9f8e4c7420fb05ebdb459e8

    • SHA1

      0675d36114a1e0216d07f87d628c98932a306828

    • SHA256

      1bf32bf5ebd1d4c265b2476570ef45b81608546e7f7ffaa7893a32648d2826d0

    • SHA512

      225e3bf688f899f3be2ee3b7117e886725690cfb5530746503af6b004f80983cae5cdb7231a91a1d26408672acdb774909a85158fb2da11a4822b1cf2744335a

    • SSDEEP

      12288:iV0YOwq04nat//d7d1sXNkLQhD27KXQ0Fusfojc52EZHjzLSn:iLO7mlk9kLQhDwpRjqZDnSn

    • 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