Resubmissions

30-12-2024 20:32

241230-zbentszpds 10

30-12-2024 01:08

241230-bheqeaspgq 10

General

  • Target

    bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525

  • Size

    888KB

  • Sample

    241230-bheqeaspgq

  • MD5

    50ef833524f40313193c43aa22ea4337

  • SHA1

    2ec051f7a5e426f8fde79c6e8a024d75ecb37b77

  • SHA256

    bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525

  • SHA512

    af7ce1951b304f1c68403e917da35fb81d90b9c11186a670545329506b9de1e61ddf205d390565ff37088a7cac5970428c25dd888fbf898ff7b44ddbd4743c3c

  • SSDEEP

    24576:pc94WoM0KX0YFMr2vYUuq0je6m6Zk1yOA:aoM0+NFA2vUq0tbZk1tA

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6910306597:AAEAUkp7Cpp8wtAsVbSLLbKsT1WHgewNiok/

Targets

    • Target

      bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525

    • Size

      888KB

    • MD5

      50ef833524f40313193c43aa22ea4337

    • SHA1

      2ec051f7a5e426f8fde79c6e8a024d75ecb37b77

    • SHA256

      bc5bf743967f339a5029747c3a0194a6b4f886a5cd2a3d7f9b08313de1031525

    • SHA512

      af7ce1951b304f1c68403e917da35fb81d90b9c11186a670545329506b9de1e61ddf205d390565ff37088a7cac5970428c25dd888fbf898ff7b44ddbd4743c3c

    • SSDEEP

      24576:pc94WoM0KX0YFMr2vYUuq0je6m6Zk1yOA:aoM0+NFA2vUq0tbZk1tA

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • Adds Run key to start application

    • 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