Overview

overview

10

Static

static

pass_code.pdf.zip.exe

windows7_x64

10

pass_code.pdf.zip.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    97s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:15

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General

  • Target

    pass_code.pdf.zip.exe

  • Size

    455KB

  • MD5

    ae8c7beac6e8f4415deb994407bd4ba2

  • SHA1

    2199e488cc6f4da87307fefc1f3b67ab489e1724

  • SHA256

    edd8ffd641e14804cf56763e7369936bd9aaf2a9248dd9aaa196f8f27b416dd6

  • SHA512

    6402bde5e1556667c4a84dbfca9ccf81c92995d23d49b067d85565fc6fdfd95beaad0d26349ca06c144622b68c3659b7c618cc21da8e66f7eab04e9c2e47f236

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.visgring.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ttvq$TB1

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\pass_code.pdf.zip.exe
    "C:\Users\Admin\AppData\Local\Temp\pass_code.pdf.zip.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Users\Admin\AppData\Local\Temp\pass_code.pdf.zip.exe
      "{path}"
      2⤵
        PID:1004
      • C:\Users\Admin\AppData\Local\Temp\pass_code.pdf.zip.exe
        "{path}"
        2⤵
          PID:956
        • C:\Users\Admin\AppData\Local\Temp\pass_code.pdf.zip.exe
          "{path}"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:528

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Persistence

      Privilege Escalation

      Defense Evasion

      Virtualization/Sandbox Evasion

      2
      T1497

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      Query Registry

      4
      T1012

      Virtualization/Sandbox Evasion

      2
      T1497

      System Information Discovery

      2
      T1082

      Peripheral Device Discovery

      1
      T1120

      Lateral Movement

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/528-56-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-57-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-59-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-60-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-61-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-62-0x000000000044778E-mapping.dmp
        Download
      • memory/528-64-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-66-0x0000000000400000-0x000000000044C000-memory.dmp
        Filesize

        304KB

        Download
      • memory/528-68-0x0000000074970000-0x0000000074F1B000-memory.dmp
        Filesize

        5.7MB

        Download
      • memory/872-54-0x00000000768D1000-0x00000000768D3000-memory.dmp
        Filesize

        8KB

        Download
      • memory/872-55-0x0000000074970000-0x0000000074F1B000-memory.dmp
        Filesize

        5.7MB

        Download