Overview

overview

10

Static

static

FR00098WED...om.exe

windows7_x64

10

FR00098WED...om.exe

windows10_x64

10

Analysis

  • max time kernel
    92s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:58

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General

  • Target
    FR00098WED88_________.com.exe
  • Size 411KB
  • Sample201109-pwq72hyp1e
  • SHA256 359c6dd6d5b5d3b1a0c3aa744d1df91f083efebeaf554b251d1607775d2dba55
  • MD5 SHA1 SHA512
Score
10/10
agentteslaevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.privateemail.com
  • Port

    587
  • Username

    [email protected]
  • Password

    lasco4000@

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FR00098WED88_________.com.exe
    "C:\Users\Admin\AppData\Local\Temp\FR00098WED88_________.com.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3552

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3552-0-0x0000000000400000-0x000000000044C000-memory.dmp
        Download