General

  • Target

    4fd78469b00aa83a60841f8655118db1ac454a46727cc1a05a5aa9c06c921c11

  • Size

    560KB

  • Sample

    250111-beyn4symbl

  • MD5

    520e437e865538ec94449dcc942c392b

  • SHA1

    ab3a2bcca11db727ba0e20faf9ed81035b761a61

  • SHA256

    4fd78469b00aa83a60841f8655118db1ac454a46727cc1a05a5aa9c06c921c11

  • SHA512

    a1e2729051f83d0b3d2cc420672f635edd9d9d6b92e615438f81d92bd3d0116e8c6713bf8338ba40447156ba453e7f10a810cdee10d21a88dfb8c5f339522596

  • SSDEEP

    12288:/pHiMNYppaGJwItatFgj8ZvEyJB46UQI00soeFmj6glqDR:nYp4GJwItatpOyLsQB0kFw648R

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO23102270.exe

    • Size

      629KB

    • MD5

      2e7762e999555fabe54a933ccfd901dc

    • SHA1

      48e4e4211970fcedc036f5257b6c0ae425e80d89

    • SHA256

      24bd3c7fed2313f0e5e9643b28b91b147e8be01993c4af26a8c11f473242f9b8

    • SHA512

      25b5c2fb9172d66ef1b74d293583b10bf76305396f503581055afc995d76df77ecb91079019f0c5331ed7bc935a9f08b7e2dc49173d4283ddc8b43ea4ade85a9

    • SSDEEP

      12288:LUWl9Z7a0GM4Rb9So1JELBYaKMwGlnGoAeDVQB+iddIbUp8SGqPTRvsh:1awL1ZGOKB+idPpsqN

    • AgentTesla

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

    • Agenttesla family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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