General

  • Target

    revised original documents.zip

  • Size

    476KB

  • Sample

    221003-p5tdzagbh5

  • MD5

    4dfaec388aa041f22b379ccf1d48936a

  • SHA1

    f4be5c1b9bca32783c5bc6c5247b0f51567ab002

  • SHA256

    5803e62da92e30afbffaccbdaf75c2b9c38ba1d1c0cee4ef9983354b38d8b206

  • SHA512

    c3d89a1d3ea65c0b3ed88a6e8e9e450853f5418fa9d6b985e18131baf8496c921ec4a6ceab20fbaea4f93723ec63c46c32ea32cb75aa7e801db0bf9830d762ca

  • SSDEEP

    12288:XP1UvPK8KnDiCVon3fYCPlzJ4tbJCFO1WuaGUTOjEjTkwdKWC3Zpe:XdUv0nDiCVuvHBJ4tQOvZKPoydCppe

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sseximclearing.com
  • Port:
    587
  • Username:
    saurav.roy@sseximclearing.com
  • Password:
    Ssxm@9854

Targets

    • Target

      revised original documents.exe

    • Size

      542KB

    • MD5

      73f0cbb705d4c31d747d78cc75f9d3c3

    • SHA1

      945ac7c37a60ad8aa1faca77b8f17ee29499dd9f

    • SHA256

      adf7cb6713138d66694f60fb3b3bad323f60e1f1767ae8c009a797c0c4a9fc88

    • SHA512

      c643e2c90bc094730d606007dea3037719bcc9e509bfc2e823e9f637e65bd06dabd29f55a3840acaf31a66663e7f82b6239090b32031a4501c3b39d78d424d7e

    • SSDEEP

      12288:pPt52iNFA3SonBfYCblzJ4bbJsF+18uasUTOjE0b7OKWuZlPY:hn1FuJDBJ4b6+p1Kwbidiu

    • AgentTesla

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

    • 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