General

  • Target

    da37d2259eb3f8d12390f9c96da6cd1f708d27cc4398763f52e484a788aae1be

  • Size

    2.3MB

  • Sample

    240523-ca8h7ahd8v

  • MD5

    afc561d1530086fa9e3be97788078254

  • SHA1

    31b7dd893558c2e458e851e0ab367466ab98b09c

  • SHA256

    da37d2259eb3f8d12390f9c96da6cd1f708d27cc4398763f52e484a788aae1be

  • SHA512

    4d587b7f42cb18cc709918fa50ffa5fcd6cd1db26141138d90b440e8c658b764a6e8fa741ac172759e0102d3c9e4e6d4b2797090cb7b97dd9c81d684fe5b057f

  • SSDEEP

    49152:dB0WjrhDeDHQX10Xjl/0V+bjByx9EFGRgQBDU8hwb9Y:gWjNDe7/pb2XRbo8hs9Y

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AvydGQ8TIDH9

Targets

    • Target

      da37d2259eb3f8d12390f9c96da6cd1f708d27cc4398763f52e484a788aae1be

    • Size

      2.3MB

    • MD5

      afc561d1530086fa9e3be97788078254

    • SHA1

      31b7dd893558c2e458e851e0ab367466ab98b09c

    • SHA256

      da37d2259eb3f8d12390f9c96da6cd1f708d27cc4398763f52e484a788aae1be

    • SHA512

      4d587b7f42cb18cc709918fa50ffa5fcd6cd1db26141138d90b440e8c658b764a6e8fa741ac172759e0102d3c9e4e6d4b2797090cb7b97dd9c81d684fe5b057f

    • SSDEEP

      49152:dB0WjrhDeDHQX10Xjl/0V+bjByx9EFGRgQBDU8hwb9Y:gWjNDe7/pb2XRbo8hs9Y

    • AgentTesla

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

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks