Overview

overview

10

Static

static

Ref08062020.exe

windows7_x64

10

Ref08062020.exe

windows10_x64

10

Analysis

  • max time kernel
    145s
  • max time network
    100s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    08/08/2020, 08:15

Sharing

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General

  • Target
    Ref08062020.exe
  • Size 487KB
  • Sample200808-8nylsl2jlj
  • SHA256 f5ca4644c1340cd373374d09ecd052c57c8c8abef50c4ae280876497d3f40a64
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    smtp.yandex.com
  • Port

    587
  • Username

    [email protected]
  • Password

    ezesundayngma

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ref08062020.exe
    "C:\Users\Admin\AppData\Local\Temp\Ref08062020.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\tyEGZmP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6B91.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4064
    • C:\Users\Admin\AppData\Local\Temp\Ref08062020.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3896

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3896-2-0x0000000000400000-0x000000000045A000-memory.dmp
        Download