General

  • Target

    67f40b3ee5517e545ce0cbcdcb1495fb.bin

  • Size

    581KB

  • Sample

    231011-pt5mvsga6x

  • MD5

    1c1212f55f5da812cc08e790d4f55825

  • SHA1

    4c0027c1776ad2621952faf9169f8da5da37002c

  • SHA256

    28599691509badb517a10f36922f8efc8b4b5a4f4bbc7319a130eede8cef818c

  • SHA512

    ceb180367a815f497d607c2e60b06fe19b40573f54314dec1af14708e2b3ce0eda71936341073b9ad80b7dbc8ee269d2f7762c0f51cfeffc9539df82311d0c59

  • SSDEEP

    12288:Gljt8Xr8E+FJ6+YxLX2u+oCVd4U48J/WLC2i9/u6eMki:GlSx71m/VO7E/sC2A/u6eMki

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tecnosilos.com.py
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ;.%^d08lQM@D

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Justificante_Pago_Certificado_Corriente_Pago.exe

    • Size

      615KB

    • MD5

      ace4fe25d9a311eb76341e8852a27471

    • SHA1

      5b1218f378fee6fd959f78b11849fb081204bce6

    • SHA256

      528aceae347b69455dfb59afd54770e03a3ff27a7c3b38f0cbe79ffb4b317ffa

    • SHA512

      8d404f5b9f27bd57f81c6c3f11d1b635c1d6ef9aba0d879e4becfbdf21110330ef45a572dbce5d44def31fff39e03fa3b205e2af7523d7e7f54759ef5e5b8297

    • SSDEEP

      12288:HT725l3XhcHyUZvKD+BHhE1bVhW2UZlre/TYWh/gOw:GD3RcpZQ+ByLhWJxsTYOY

    • 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 Enterprise v15

Tasks