General

  • Target

    85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2

  • Size

    838KB

  • Sample

    240913-3me1hsvgll

  • MD5

    3007df3c5e7bf8f2bbf00a307ff38a96

  • SHA1

    6a41251cd095d326e243a79c4e9669ff7d44745a

  • SHA256

    85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2

  • SHA512

    14a76084acc1cd6ad6105fe6564487e91128c6a4e789da0390817ecfc5dbca81dcc921f847d940efe7ffac9a7ef65b36d166c89bf14164c5d94c2a3ba8fc7459

  • SSDEEP

    24576:UDom7oWdCZsusWuZSf4rKFZr0J/cGwfYuX0J:dmcrZPsBSf4rKFRK1tdJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2

    • Size

      838KB

    • MD5

      3007df3c5e7bf8f2bbf00a307ff38a96

    • SHA1

      6a41251cd095d326e243a79c4e9669ff7d44745a

    • SHA256

      85ff3b18f6699186c2ba63ea4355d8c6656d581ac94d45c617fc26263459dde2

    • SHA512

      14a76084acc1cd6ad6105fe6564487e91128c6a4e789da0390817ecfc5dbca81dcc921f847d940efe7ffac9a7ef65b36d166c89bf14164c5d94c2a3ba8fc7459

    • SSDEEP

      24576:UDom7oWdCZsusWuZSf4rKFZr0J/cGwfYuX0J:dmcrZPsBSf4rKFRK1tdJ

    • AgentTesla

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

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • 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 Enterprise v15

Tasks