General

  • Target

    Lmnfh.exe

  • Size

    13KB

  • Sample

    220316-n2axsadcf6

  • MD5

    7e1cb553519f23b3e61ed341f1890763

  • SHA1

    10e36f4053b749a884af17e3d48fad1b9f417ed1

  • SHA256

    3757e17c90a0533f757b3ab31ae4886f55a34f3af775df5eb5e14982bb7dfcfd

  • SHA512

    7ffaff468568990936a3b1b663df1c9c79a7ae95edfbf811ab84dfa67475ac4cae2a424667509ba11fcf2048dfdcfc338778cebf9528faf2a4fcfb39e1fe10a1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pakbusiness.com.pk
  • Port:
    587
  • Username:
    info@pakbusiness.com.pk
  • Password:
    info*123#
  • Email To:
    chibuikeonyedum2@gmail.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.pakbusiness.com.pk
  • Port:
    587
  • Username:
    info@pakbusiness.com.pk
  • Password:
    info*123#

Targets

    • Target

      Lmnfh.exe

    • Size

      13KB

    • MD5

      7e1cb553519f23b3e61ed341f1890763

    • SHA1

      10e36f4053b749a884af17e3d48fad1b9f417ed1

    • SHA256

      3757e17c90a0533f757b3ab31ae4886f55a34f3af775df5eb5e14982bb7dfcfd

    • SHA512

      7ffaff468568990936a3b1b663df1c9c79a7ae95edfbf811ab84dfa67475ac4cae2a424667509ba11fcf2048dfdcfc338778cebf9528faf2a4fcfb39e1fe10a1

    • AgentTesla

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

    • AgentTeslaV3

    • Drops file in Drivers directory

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

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