Overview

overview

10

Static

static

PO1276579.pdf.exe

windows7_x64

10

PO1276579.pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    91s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:19

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General

  • Target

    PO1276579.pdf.exe

  • Size

    602KB

  • MD5

    c04479081b8da67dec9f6544a3203f29

  • SHA1

    0b6d2fb73fff0ba587e1bff67e57ad615a106dc9

  • SHA256

    47921bae52d2d80acb35c1f4ca3e55f4608f76f774713d2578115e74537a897a

  • SHA512

    a0b0fcd3f255178d871cc8849e89bbeec707bb1761bc847cc0ef3b2d4c98aac4ae511cedfb2105f10f99bb4c90ea9dda5e0302e6bd20554813971b4cc2bec871

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    server126.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    TB@h;x2zl*5c

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    server126.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    TB@h;x2zl*5c

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO1276579.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\PO1276579.pdf.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyQXvevRTmdB" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80F7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4284
    • C:\Users\Admin\AppData\Local\Temp\PO1276579.pdf.exe
      "{path}"
      2⤵
        PID:3128
      • C:\Users\Admin\AppData\Local\Temp\PO1276579.pdf.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:448

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    Query Registry

    5
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    4
    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

    • C:\Users\Admin\AppData\Local\Temp\tmp80F7.tmp
      Filesize

      1KB

      MD5

      b6959a65ed1be074d0fb7a1d3cb68ea1

      SHA1

      ec7ef93a7e18064d347dc1dd0237a8357b336025

      SHA256

      158974202bebc626f00c20660954532b51fa5c9ac2f4f0db8725f22a41d1c204

      SHA512

      84dccef27d43a2737ec311934eb7db382ad1b909e881a918beebdc27ee29d34689d57f34fb623f1e4319b601c0790f056696a69ba3a4515e957fdc09082344f4

      Download Submit
    • memory/448-138-0x0000000000000000-mapping.dmp
      Download
    • memory/448-139-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/448-140-0x0000000006D00000-0x0000000006D50000-memory.dmp
      Filesize

      320KB

      Download
    • memory/448-141-0x0000000007140000-0x000000000714A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3128-137-0x0000000000000000-mapping.dmp
      Download
    • memory/4284-135-0x0000000000000000-mapping.dmp
      Download
    • memory/5100-130-0x00000000003F0000-0x000000000048C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/5100-131-0x0000000005510000-0x0000000005AB4000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/5100-132-0x0000000004E20000-0x0000000004EB2000-memory.dmp
      Filesize

      584KB

      Download
    • memory/5100-133-0x0000000005450000-0x00000000054EC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/5100-134-0x0000000007FA0000-0x0000000008006000-memory.dmp
      Filesize

      408KB

      Download