General

  • Target

    fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

  • Size

    840KB

  • Sample

    240524-caqy5shb3w

  • MD5

    57b1ad0359c449cd533a34db4fc81a9d

  • SHA1

    a28948d8b7456cc3e3ac2aaf244bbc35cee76b85

  • SHA256

    fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

  • SHA512

    40c1a56b489b94313093abda622cdb1e1d295ba867666a667a1160f4a2a47616000189cc31caa833e9d01a32aef0f57b3d7cb6bfc05e27b74ac7f6c0455a930b

  • SSDEEP

    24576:Qw4bjw4bDmrejmh1ezUjX/sCDQzPcbgV7:Qw4bjw4bDljtUjPsCDQgbw

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199.exe

    • Size

      840KB

    • MD5

      57b1ad0359c449cd533a34db4fc81a9d

    • SHA1

      a28948d8b7456cc3e3ac2aaf244bbc35cee76b85

    • SHA256

      fcb012805679bb99ffeb9f535f06e1c5940b53d773f527e3a9aef5371540a199

    • SHA512

      40c1a56b489b94313093abda622cdb1e1d295ba867666a667a1160f4a2a47616000189cc31caa833e9d01a32aef0f57b3d7cb6bfc05e27b74ac7f6c0455a930b

    • SSDEEP

      24576:Qw4bjw4bDmrejmh1ezUjX/sCDQzPcbgV7:Qw4bjw4bDljtUjPsCDQgbw

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • 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

    • 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 v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks