Overview

overview

10

Static

static

dhl.exe

windows7_x64

10

dhl.exe

windows10_x64

10

Analysis

  • max time kernel
    102s
  • max time network
    101s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/12/2020, 09:14

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General

  • Target
    dhl.exe
  • Size 440KB
  • Sample201209-53cda68896
  • SHA256 84afce79b516a2535b4f063e9dd9aef84aa6288bdc65c4fa5dbbba0bc06727ec
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.ru
  • Port

    587
  • Username

    [email protected]
  • Password

    brillium360

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dhl.exe
    "C:\Users\Admin\AppData\Local\Temp\dhl.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1744
    • C:\Users\Admin\AppData\Local\Temp\dhl.exe
      "C:\Users\Admin\AppData\Local\Temp\dhl.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1204

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1204-2-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1204-4-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1204-5-0x00000000741A0000-0x000000007488E000-memory.dmp
        Download

        memory/1204-6-0x00000000003B0000-0x00000000003E6000-memory.dmp
        Download