Overview

overview

10

Static

static

PURCHASE-O...33.exe

windows7_x64

10

PURCHASE-O...33.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    e5782f3b98860dedcbb1a885dbcbbad66e44c9c59c0a63ccce2f4afd95fd6ff7

  • Size

    276KB

  • Sample

    220521-nyxblsech3

  • MD5

    6ef801e57eacf5c316383d247391deef

  • SHA1

    2013f56a982dd44f7462168ce7e0ae86fc232417

  • SHA256

    e5782f3b98860dedcbb1a885dbcbbad66e44c9c59c0a63ccce2f4afd95fd6ff7

  • SHA512

    fb8d1a4a70e812609229f723bcc5241bcdf247345cb6b2dd87d34f5703f0819d08bf24120a0b05fe025884a4fd8b8c6a8205271119650049445ef76b7a133d81

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yltab.com
  • Port:
    587
  • Username:
    imre.macsuga@yltab.com
  • Password:
    VdwhsPd5

Targets

    • Target

      PURCHASE-ORDER00233.exe

    • Size

      404KB

    • MD5

      c6d759a4ea7a7e72a78f421e97e5b3f8

    • SHA1

      7e7ed9f700dcb6afe93f2853b2274f8da17489a5

    • SHA256

      49b1f7cc23794aec475e17c94f1d60270d66e9d24ea9728fc9dc6134c0855292

    • SHA512

      0eaf8c02edee1c3d4dddd57e5f1d5612723334af59cde0c8fc5c68b935b46e1bee022ec67f19775c43170d54bdf84fea914bfce945ef3ff5c38c3aabbe882b9d

    Score
    10/10
    agentteslacollectionkeyloggerpersistencespywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • AgentTesla Payload

    • Drops startup file

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

      spywarestealer

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Tasks