General

  • Target

    Quotation - 00645.exe

  • Size

    811KB

  • Sample

    240523-kzxrzsbe52

  • MD5

    42f4ad74b08ac8e44928083706bc422a

  • SHA1

    6e7082c542a8a1ed54fa7287d163e64eba98ee4f

  • SHA256

    ba38c374f40119a4acbdab2bc171043b87bae2d299b2628f2a02da87e851c97f

  • SHA512

    a281a626525da1db4b166711e7cbc23e76ce7bcfaf9d8e5f550461b9b7016bd834961ee2824134334c20c011434c61b8b5a44d3e9e8d875c8380883f3adfafad

  • SSDEEP

    12288:08ps2o+FgfSy9Sm9LrvwJhlfydchnczs04mIXeY14:08pHhdy9SBffjhcoZhV1

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Quotation - 00645.exe

    • Size

      811KB

    • MD5

      42f4ad74b08ac8e44928083706bc422a

    • SHA1

      6e7082c542a8a1ed54fa7287d163e64eba98ee4f

    • SHA256

      ba38c374f40119a4acbdab2bc171043b87bae2d299b2628f2a02da87e851c97f

    • SHA512

      a281a626525da1db4b166711e7cbc23e76ce7bcfaf9d8e5f550461b9b7016bd834961ee2824134334c20c011434c61b8b5a44d3e9e8d875c8380883f3adfafad

    • SSDEEP

      12288:08ps2o+FgfSy9Sm9LrvwJhlfydchnczs04mIXeY14:08pHhdy9SBffjhcoZhV1

    • AgentTesla

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

    • 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