General

  • Target

    72106fac6f73c73139d35a9c475876aef1444a0366cb9e7c5040e4bdce5bdf7e.zip

  • Size

    630KB

  • Sample

    241116-kg6l6stamj

  • MD5

    83f6f783b21e15a70128f79c7e6ed162

  • SHA1

    93c4158f3e8714f5c1d2f45380a8ac7991375cba

  • SHA256

    72106fac6f73c73139d35a9c475876aef1444a0366cb9e7c5040e4bdce5bdf7e

  • SHA512

    907a7a8c436bbf8af50e1e054456fd5c035a1b9d29a1d9fd290d8d5f8e68a30876490e7cc4513c6d8e2829b7d2522eacf8197d8e000448ef6114adc48a92b8aa

  • SSDEEP

    12288:F5N7yhVOviZedZx0ht9geW/ykJZhVrV3TPW9FSVc/gCijDf54wznmq4:BGhU0EAtKe/2rVxDPWGc/7MB4w/4

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      New Tooling CT240230231CTA240714.exe

    • Size

      2.6MB

    • MD5

      084dcc77f2015db12169837b93e13430

    • SHA1

      3b239c71274c55e342f71ce2c13057c3cdb9ca2d

    • SHA256

      db54f10f4f1c3eae171d83065364f5482d76c048daae934da0279506c9169802

    • SHA512

      b14e10288c109b3ebf6166fd1974e1d81289925c3bac5f8bf5eda589ef65ffa5ffb16f18a307b1f721091d49c8cc0c03cc2017d0400899f0cedc20326153e57e

    • SSDEEP

      12288:KP7r9r/+ppppppppppppppppppppppppppppp0GMVOLiZedZ/0dt9geW/iwJZxVi:K1qMK0EctKeVqfVxtXWmI/7khqw/he

    • AgentTesla

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

    • Agenttesla family

    • UAC bypass

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Windows security modification

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks