General

  • Target

    aba609a693cd895ebfcdbf496c118e89_JaffaCakes118

  • Size

    542KB

  • Sample

    240819-tfm8waxapl

  • MD5

    aba609a693cd895ebfcdbf496c118e89

  • SHA1

    972e78e14ee4042d0cd1ceac5fd0929f36bd6329

  • SHA256

    bbeb4233e43c54abd02d91cace9dadc38ac342fc113700d80b9eec62644470c0

  • SHA512

    1eccec9f7f929e5a5d452434ec090575dcfa64eca454171e14218c527eb9b36c5af1df1d6ebc3915115a96e87641c71baf75aa19fba5ed22d55f776accb1c0d3

  • SSDEEP

    12288:ZuNj3ysHBbPUk0fIYmSZ0h26uFVHuHippSQe6iM4kEaRsA:ZuNj3LBbMeYj0gFV15P4kEaRv

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bsia.co.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    21mbsia@)@!Y

Targets

    • Target

      SHIPPING ADV#GOLDEN TULIP.exe

    • Size

      593KB

    • MD5

      e498dda8fe626edf1a7429f17413e8f6

    • SHA1

      833346d5a94513284b16e46684d452c29f8383b9

    • SHA256

      33d1ee08ec2436549562ef8eca03677c79392f03b8398616c635c4f22026f89e

    • SHA512

      9bf609fe600dda6e6cb95ca180f2ae3fdc1b07e1c0e84b7e1da1f4c449f071aa2be67084b0af22b86addd58137db55ed3f00f8082923d916f1a3135f48c77ab7

    • SSDEEP

      12288:F6fn1r3yqlBbFUAKf2YiSZsV06u3VHWV9bFQekoMckMsReb:gv1r31BbScYXs63VEbMBckM0eb

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • 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