General

  • Target

    INV.exe

  • Size

    629KB

  • Sample

    240611-w52hxawgrg

  • MD5

    7c37ca93ea31895ae8c37b5086aafb5f

  • SHA1

    36ec354b8f559c44ac1a45d9bbe56ee8dbf883db

  • SHA256

    edd8ae87a81a2627e70d3df6bbe1a7185c8045bc4ef9624c5f2b8487d86dbd73

  • SHA512

    852e0315d1930b9dcb85c7d649c2e0524eaee1ed287d21be6dbb37a27151e200236237b9d9490bc3453bf01ac2baf1e695c83e88484fd5a426482772d52fe864

  • SSDEEP

    12288:mgS5y5R7+SyRps33QjMEVyhxLBDulZ7+OibPNL5lNXKVLbziXMOvrxdRnh457ks3:65yH73QbyLlDu3C/lNXKL3i9v3Idke

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    vjru ncjq zilj zxwk

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      INV.exe

    • Size

      629KB

    • MD5

      7c37ca93ea31895ae8c37b5086aafb5f

    • SHA1

      36ec354b8f559c44ac1a45d9bbe56ee8dbf883db

    • SHA256

      edd8ae87a81a2627e70d3df6bbe1a7185c8045bc4ef9624c5f2b8487d86dbd73

    • SHA512

      852e0315d1930b9dcb85c7d649c2e0524eaee1ed287d21be6dbb37a27151e200236237b9d9490bc3453bf01ac2baf1e695c83e88484fd5a426482772d52fe864

    • SSDEEP

      12288:mgS5y5R7+SyRps33QjMEVyhxLBDulZ7+OibPNL5lNXKVLbziXMOvrxdRnh457ks3:65yH73QbyLlDu3C/lNXKL3i9v3Idke

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Loads dropped DLL

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Tasks