Overview

overview

10

Static

static

sam123.exe

windows7_x64

10

sam123.exe

windows10_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09/11/2020, 20:06

Sharing

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General

  • Target
    sam123.exe
  • Size 694KB
  • Sample201109-knpy4seycs
  • SHA256 dbbaf0499e544e3832699110f71f62a521ec93cc8a74656c92af7023f554d897
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerpersistencespywarestealertrojanupx

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.shrc-india.com
  • Port

    587
  • Username

    [email protected]
  • Password

    Orders@9999

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\sam123.exe
    "C:\Users\Admin\AppData\Local\Temp\sam123.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1688
    • C:\Users\Admin\AppData\Local\Temp\sam123.exe
      "C:\Users\Admin\AppData\Local\Temp\sam123.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1212
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:1204
      • C:\Users\Admin\AppData\Local\Temp\sam123.exe
        "C:\Users\Admin\AppData\Local\Temp\sam123.exe" 2 1212 259290696
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:2004

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/1212-0-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/1212-2-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/1212-4-0x0000000000400000-0x00000000004B0000-memory.dmp
          Download

          memory/1212-5-0x0000000000380000-0x00000000003D2000-memory.dmp
          Download

          memory/1212-6-0x0000000001EF2000-0x0000000001EF3000-memory.dmp
          Download

          memory/1212-7-0x00000000002D0000-0x000000000031C000-memory.dmp
          Download

          memory/1212-9-0x0000000073A20000-0x000000007410E000-memory.dmp
          Download