General

  • Target

    a0beefa53ecaee5ad867860a63aafe592dba7cc3d934c1c4c864760191f553f2

  • Size

    517KB

  • Sample

    220521-paaclsabal

  • MD5

    46ba9aabd746c9db44a17452d15c9068

  • SHA1

    a8695fc308d93efee2c4140c77c7647f81ae7e58

  • SHA256

    a0beefa53ecaee5ad867860a63aafe592dba7cc3d934c1c4c864760191f553f2

  • SHA512

    31c50b262802ed283811d274b72f7429d427dec3fef54f01fbe99a1df4f2e14cd5269886e9af458bdcf6eacccf0ab2c6f902e680934e719985630442943a08a6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nsmelectronics.com
  • Port:
    587
  • Username:
    admim@nsmelectronics.com
  • Password:
    Bsuagwu@

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nsmelectronics.com
  • Port:
    587
  • Username:
    admim@nsmelectronics.com
  • Password:
    Bsuagwu@

Targets

    • Target

      PO 300720-FMB.scr

    • Size

      639KB

    • MD5

      a51b0e45f72d4a6249912da6538c6e2c

    • SHA1

      c72bdfdbef4a47f1028d405a3a40513a257e3092

    • SHA256

      a1e30a2a09896194a7b457401dd3a9b405b53aeea17a21ca6b99b2e8da5e2876

    • SHA512

      4b365b0e1cd0adbbc0c5a2ac0069c8576b4286e019f659f4a85530bd149b3b2fab0f955d753ad978c5223c56f76a996abcde78db60f6eb1c2e097fad1266095c

    • AgentTesla

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

    • suricata: ET MALWARE AgentTesla Exfil Via SMTP

      suricata: ET MALWARE AgentTesla Exfil Via SMTP

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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