General

  • Target

    Machinery Specification And Models.js

  • Size

    934KB

  • Sample

    220623-gm124abhdl

  • MD5

    f0c5b13e7ce8bb82395f166cb95f1b70

  • SHA1

    c5e269f5d14782699aec933cdc2c76c920e09816

  • SHA256

    74a834ad404d9fc6fbbd0e1afc46df019cd7d4f8d5e60353d08172765e06177f

  • SHA512

    5c0810178ae840a48f8c74e487061f7215c37d50a077b4cbf9724a17750057c9e921e553170f245d904cd416c7efcca1d4a02998d6ee484365580d6524b5c2c3

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.leaf.arvixe.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    000000

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.leaf.arvixe.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    000000

Targets

    • Target

      Machinery Specification And Models.js

    • Size

      934KB

    • MD5

      f0c5b13e7ce8bb82395f166cb95f1b70

    • SHA1

      c5e269f5d14782699aec933cdc2c76c920e09816

    • SHA256

      74a834ad404d9fc6fbbd0e1afc46df019cd7d4f8d5e60353d08172765e06177f

    • SHA512

      5c0810178ae840a48f8c74e487061f7215c37d50a077b4cbf9724a17750057c9e921e553170f245d904cd416c7efcca1d4a02998d6ee484365580d6524b5c2c3

    • AgentTesla

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

    • Vjw0rm

      Vjw0rm is a remote access trojan written in JavaScript.

    • suricata: ET MALWARE AgentTesla Exfil Via SMTP

      suricata: ET MALWARE AgentTesla Exfil Via SMTP

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • 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

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

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