General

  • Target

    Receipt_7814002.exe

  • Size

    70KB

  • Sample

    240420-j9j37sdb2x

  • MD5

    67f9e0f23980b5d10af7a7eb8859fab2

  • SHA1

    114f660769c6b79673ce56fbc5effa50a59338fd

  • SHA256

    2f539731282a936700c6c4797ea84beba6dd863761f607e22b32b1b67f66b09e

  • SHA512

    63349eaa7cf24fd2243ef44d58eb4ead78d82497f1d83346d398b444ecdb3a36c87cba66e0b5d2a71b35fa8c0211b97dbbcb3a4e59339c16274575fc89126a57

  • SSDEEP

    1536:JFXhiFQzXblXAorYfwJcxSTlWoJl0ovJvWR4jmft2Ib7ADUzqDf8Yt6i/7:rXh6ykDxSTlWoJl0ovJvWR46fJb7AD8q

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hpJvOH%*JutO

Targets

    • Target

      Receipt_7814002.exe

    • Size

      70KB

    • MD5

      67f9e0f23980b5d10af7a7eb8859fab2

    • SHA1

      114f660769c6b79673ce56fbc5effa50a59338fd

    • SHA256

      2f539731282a936700c6c4797ea84beba6dd863761f607e22b32b1b67f66b09e

    • SHA512

      63349eaa7cf24fd2243ef44d58eb4ead78d82497f1d83346d398b444ecdb3a36c87cba66e0b5d2a71b35fa8c0211b97dbbcb3a4e59339c16274575fc89126a57

    • SSDEEP

      1536:JFXhiFQzXblXAorYfwJcxSTlWoJl0ovJvWR4jmft2Ib7ADUzqDf8Yt6i/7:rXh6ykDxSTlWoJl0ovJvWR46fJb7AD8q

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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