General

  • Target

    7f9a4d2ca7e2aaaf846b8c8be5b13945fbd3ed02e75ea661676b311897e92fa4

  • Size

    744KB

  • Sample

    240522-b4l2lsge4y

  • MD5

    6aa3cad2e92e967768780540a1a78432

  • SHA1

    22e6e450889c383af12b571b8e9d83eb9f33c36d

  • SHA256

    7f9a4d2ca7e2aaaf846b8c8be5b13945fbd3ed02e75ea661676b311897e92fa4

  • SHA512

    f71bfd535b86391ebd8aa72e4eb1e650e33ca5a1b1ff4740de2589c6896d6c2fd70064d7fcb1a8a4ff7f5826566000ee190766121ff96b4db2ffbea27d8a031e

  • SSDEEP

    12288:Gz9n6yWn7fcpVZlu/6uHGedT2shwb201O2nVfW9HjoaN37+2rAfraVDUBWpHfMdg:cn698VVYrH0/RW9HsaNFcouWpHh88

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://eu-west-1.sftpcloud.io
  • Port:
    21
  • Username:
    e8a17a253c4d40b6a0df898aad32f67b
  • Password:
    RugFalv5wDyjeLFrWC25Q2kWCAS6XObb

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    eu-west-1.sftpcloud.io
  • Port:
    21
  • Username:
    e8a17a253c4d40b6a0df898aad32f67b
  • Password:
    RugFalv5wDyjeLFrWC25Q2kWCAS6XObb

Targets

    • Target

      7f9a4d2ca7e2aaaf846b8c8be5b13945fbd3ed02e75ea661676b311897e92fa4

    • Size

      744KB

    • MD5

      6aa3cad2e92e967768780540a1a78432

    • SHA1

      22e6e450889c383af12b571b8e9d83eb9f33c36d

    • SHA256

      7f9a4d2ca7e2aaaf846b8c8be5b13945fbd3ed02e75ea661676b311897e92fa4

    • SHA512

      f71bfd535b86391ebd8aa72e4eb1e650e33ca5a1b1ff4740de2589c6896d6c2fd70064d7fcb1a8a4ff7f5826566000ee190766121ff96b4db2ffbea27d8a031e

    • SSDEEP

      12288:Gz9n6yWn7fcpVZlu/6uHGedT2shwb201O2nVfW9HjoaN37+2rAfraVDUBWpHfMdg:cn698VVYrH0/RW9HsaNFcouWpHh88

    • 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 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks