General

  • Target

    Voice-MailFX.exe

  • Size

    887KB

  • Sample

    221206-myzajaeb3v

  • MD5

    160157f45f4eab159c8d7b45b3993d11

  • SHA1

    7827209344a47a8365c01e9189b418a4a44727da

  • SHA256

    c2baa049d73f9e491429c2f19d88408d4048465b7242ec6d6b0f1c594646f366

  • SHA512

    018141945014e466a17539f4306a6cc52927d87c9bf85c928dec8c173aa37189eee0e7c7ead6a9a395a5e6a3d52442b83c3441f6f20e3c55c43419f32be4b536

  • SSDEEP

    24576:pIiWj8SAx4lDvWJJA20SmeRsi0/71cRMMN:ppyZAx4lDvY07i0xs

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Voice-MailFX.exe

    • Size

      887KB

    • MD5

      160157f45f4eab159c8d7b45b3993d11

    • SHA1

      7827209344a47a8365c01e9189b418a4a44727da

    • SHA256

      c2baa049d73f9e491429c2f19d88408d4048465b7242ec6d6b0f1c594646f366

    • SHA512

      018141945014e466a17539f4306a6cc52927d87c9bf85c928dec8c173aa37189eee0e7c7ead6a9a395a5e6a3d52442b83c3441f6f20e3c55c43419f32be4b536

    • SSDEEP

      24576:pIiWj8SAx4lDvWJJA20SmeRsi0/71cRMMN:ppyZAx4lDvY07i0xs

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks