Overview

overview

10

Static

static

gunzipped.exe

windows7_x64

10

gunzipped.exe

windows10_x64

10

Analysis

  • max time kernel
    78s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 20:30

Sharing

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General

  • Target
    gunzipped.exe
  • Size 702KB
  • Sample201109-4an5ywegvs
  • SHA256 b3a27e158356620e607a47b1ec0ba508a7526d6dcda53de87a40f0e9c5397cc2
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojanupx

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.flood-protection.org
  • Port

    587
  • Username

    [email protected]
  • Password

    scott22424@

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.flood-protection.org
  • Port

    587
  • Username

    [email protected]
  • Password

    scott22424@

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
    "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Users\Admin\AppData\Local\Temp\gunzipped.exe
      "C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3184
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:8

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/3184-0-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/3184-2-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/3184-3-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/3184-4-0x0000000002170000-0x00000000021C2000-memory.dmp
          Download

          memory/3184-5-0x00000000022B2000-0x00000000022B3000-memory.dmp
          Download