Overview

overview

10

Static

static

U series b...ng.exe

windows7_x64

U series b...ng.exe

windows10_x64

10

Analysis

  • max time kernel
    92s
  • max time network
    98s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24/06/2020, 13:14

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General

  • Target
    U series brass housing.exe
  • Size 470KB
  • Sample200624-wtkxy4dlnx
  • SHA256 42fc22b4c3212835c1f52107b357ed47463e73dcc0331f26e56fa027bc89b79a
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.adithyaeng.com
  • Port

    587
  • Username

    [email protected]
  • Password

    thiyagarajan*123

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.adithyaeng.com
  • Port

    587
  • Username

    [email protected]
  • Password

    thiyagarajan*123

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 behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\U series brass housing.exe
    "C:\Users\Admin\AppData\Local\Temp\U series brass housing.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YekVPtvsBZgbsT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp994D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3840
    • C:\Users\Admin\AppData\Local\Temp\U series brass housing.exe
      "{path}"
      2⤵
        PID:3888
      • C:\Users\Admin\AppData\Local\Temp\U series brass housing.exe
        "{path}"
        2⤵
          PID:3808
        • C:\Users\Admin\AppData\Local\Temp\U series brass housing.exe
          "{path}"
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: RenamesItself
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3516
          • C:\Windows\SysWOW64\netsh.exe
            "netsh" wlan show profile
            3⤵
              PID:2244

        Network

              MITRE ATT&CK Enterprise v6

              Replay Monitor

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              Downloads

              memory/3516-2-0x0000000000400000-0x0000000000452000-memory.dmp
              Download