General

  • Target

    bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97

  • Size

    746KB

  • Sample

    240522-csad4shb97

  • MD5

    c2f9a1e22122c9b6ee732d8cfb5936ce

  • SHA1

    b97ba1378239a1d6211b4a5d75d40bfc8bf5380d

  • SHA256

    bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97

  • SHA512

    1385614b140bffeced16a90de1079ab49dc13a163439c635c5b808e8f57f8cd31bbea0401382b0e9a1db6fe31494a1a339976cffeb0b0951f9c71b0ee0b39ef4

  • SSDEEP

    12288:Qzxdn6yWn7fcpVZlu/6uHZtY6skOBxPn+HF4KSnRiHWJs/j9CsH/ExI1cDb30Qdc:Un698VVYM6sNi3SoH5/j9TH/kgmr0QNc

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    IPRco@100102@

Targets

    • Target

      bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97

    • Size

      746KB

    • MD5

      c2f9a1e22122c9b6ee732d8cfb5936ce

    • SHA1

      b97ba1378239a1d6211b4a5d75d40bfc8bf5380d

    • SHA256

      bc4f6836416fcdc1c51ebe142372c6188184f777127768545043711500f3ed97

    • SHA512

      1385614b140bffeced16a90de1079ab49dc13a163439c635c5b808e8f57f8cd31bbea0401382b0e9a1db6fe31494a1a339976cffeb0b0951f9c71b0ee0b39ef4

    • SSDEEP

      12288:Qzxdn6yWn7fcpVZlu/6uHZtY6skOBxPn+HF4KSnRiHWJs/j9CsH/ExI1cDb30Qdc:Un698VVYM6sNi3SoH5/j9TH/kgmr0QNc

    • AgentTesla

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

    • 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