General

  • Target

    21052024_1507_21052024_CEQ084007738830983737820000020002RF_PDF.rar

  • Size

    1.1MB

  • Sample

    240521-shrhmsaa9t

  • MD5

    b13d0f83a6fa3294fc95bcc0a091bda2

  • SHA1

    13c9347254dc9d973c9a39a26da36ec0a9857ed6

  • SHA256

    3c2970acce43b4205666a5122842b2d0e1111c7945b103d0a4dcb0fa4a087218

  • SHA512

    4bced69ee9dd97102c812bb5ffffeb852d86fde4963de0013f7292e59e63f2600eca4b87559a8e551a5ba252d1c43a5273fe87fb5283d9d87efdbd7fc8dc9e56

  • SSDEEP

    24576:Mjz46TXz/g/RHA3f8coq8giM5liCkNUQaX0uqFJY7dH5SL+af:MI6TXzWA3U/VMriCk+/ku+yH5W+af

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6806295140:AAG4-KC2NA0JDcYhFvVsLTmBeXMXo_2r83w/

Targets

    • Target

      CEQ084007738830983737820000020002RF_PDF.exe

    • Size

      2.5MB

    • MD5

      ece6f990267fba0e365191d6558b0f9f

    • SHA1

      7841ab811b01ce15915a9df2538ff469656538af

    • SHA256

      105465e8fc8446745fca6287927567949b9c7a41112d4752f9cb98f503f484db

    • SHA512

      b8a1ad5e44e89c3657f05bd5f32859c1479149b5a849059212139c00b4b6410544b5929e17ddc3b4aaea29aa1413ab77bb57e95b30caef1f6a02f838db116a12

    • SSDEEP

      24576:hqCdMP5SdezpyFNrhSCPuoX0k6O2BusxExVJhenLg31+mYGnKBFHJETXHOahJs3:hP6hSrcCPT0JnLg31+mYGnKDKTXe3

    • 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.

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks