General

  • Target

    TAX INVOICE.zip

  • Size

    545KB

  • Sample

    221002-l3cfwsbghq

  • MD5

    a1452eec9a3548bd6fe2c943247e94e7

  • SHA1

    a4f1d4560f599dbf5409b2acc3df5a3c290a41db

  • SHA256

    193559a2c09a05ffd2f19e18d5a0e08e6d9c6d2e1c585cdf15d0d6850611c0ef

  • SHA512

    968c6df8dd90131f4cfa09b937183dcb4ea451d9d6f010844a6cdc0da3f90a3e4e5075be2b636b4d790c510d552c9b0c206696430cff9f25b8b442f3dcba3f19

  • SSDEEP

    12288:dSw3/o0WsGaM6OmRauk8v2QOZjHy9C1WWF3BdRjNqjsh:dSwPo05LOyaf4cB19FRXjIju

Malware Config

Extracted

Credentials

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

Targets

    • Target

      TAX INVOICE.exe

    • Size

      825KB

    • MD5

      0876df0e375669e575c6aad9501d1813

    • SHA1

      2c8200581fac3bc4a1c8b2f0793439a7a541a684

    • SHA256

      1730f4ebe3686612308735dcca4459a47a400de62bdd4d207881b03b95d9778f

    • SHA512

      e43388b4986617c7dc431bf0883a1a4b1f8e050ecf5a371114eb888c9e32d6a742645c58566a06abfb6f727adcb303275b7c9de1748d13502ea53eddb1df215d

    • SSDEEP

      12288:0EpBExj02iNtmDauk8v2aOZPHyHC1WWFjBdwGADqjJ5n:j+01/qaf4YZ19FtZjr

    • AgentTesla

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

    • 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

System Information Discovery

2
T1082

Query Registry

1
T1012

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks