Overview

overview

10

Static

static

1

Shipment Invoice.exe

windows7-x64

3

Shipment Invoice.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Shipment Invoice.exe
  • Size 499KB
  • Sample230221-1rl9aagg37
  • SHA256 264287c5f1b361ec812fe7ecb1976f7dd6ef60bff2e40000f6258f190d481ccd
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

C2

  • https://api.telegram.org/bot5349655878:AAGnMhpzchQYN5RbZ88-w3gvA1SNsxWo7ts/

Targets

    • Target
      Shipment Invoice.exe
    • Size 499KB
    • SHA256 264287c5f1b361ec812fe7ecb1976f7dd6ef60bff2e40000f6258f190d481ccd
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

    • AgentTesla

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

      keyloggertrojanstealerspywareagenttesla

    • Looks for VirtualBox Guest Additions in registry

      evasion

    • Looks for VMWare Tools registry key

      evasion

    • 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.

    • Executes dropped EXE

    • Accesses Microsoft Outlook profiles

      collection

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks