Overview

overview

10

Static

static

8

Recibo de pagoUSD.xls

windows7_x64

10

Recibo de pagoUSD.xls

windows10_x64

8

Analysis

  • max time kernel
    131s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10/07/2020, 16:57

Sharing

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Report Analysis Logs

General

  • Target
    Recibo de pagoUSD.xls
  • Size 166KB
  • Sample200710-en8e53a5an
  • SHA256 4c324015e50495b053576c0f1d691f5693d9ea18a33e9bf41d7c26f2101fe777
  • MD5 SHA1 SHA512
Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    ftp
  • Host

    ftp://ftp.skibokshotell.no/
  • Port

    21
  • Username

    [email protected]
  • Password

    DUcDxxNTn3@248
Credentials
  • Protocol

    ftp
  • Host

    ftp://ftp.skibokshotell.no/
  • Port

    21
  • Username

    [email protected]
  • Password

    DUcDxxNTn3@248

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Executes dropped EXE 3 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
  • Office loads VBA resources, possible macro or embedded object present
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Program Files\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\Recibo de pagoUSD.xls"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VYWDL.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VYWDL.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VYWDL.exe
        "{path}"
        3⤵
        • Executes dropped EXE
        PID:1764
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\VYWDL.exe
        "{path}"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1660

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1660-9-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1660-12-0x0000000000400000-0x000000000044C000-memory.dmp
        Download

        memory/1660-13-0x0000000000400000-0x000000000044C000-memory.dmp
        Download