Overview

overview

10

Static

static

PO1276579.pdf.exe

windows7_x64

10

PO1276579.pdf.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    108s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-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

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 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
  • 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 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
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lyQXvevRTmdB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC811.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1540
    • C:\Users\Admin\AppData\Local\Temp\PO1276579.pdf.exe
      "{path}"
      2⤵
        PID:1896
      • 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:876

    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

    4
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    3
    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\tmpC811.tmp
      Filesize

      1KB

      MD5

      de7855723a5211a10fa7513694a61c2c

      SHA1

      b1c0b745a7ca8383c08213e662d2bbc7ec14e33c

      SHA256

      78278f35aa9b22811dee1e25f49f8801e4dc3c67420c976ac7c5e41708e78018

      SHA512

      01323125826acbe21911949fdccbb0bae5e03596550046a7b698a0a60a5d3714243e4c7416b86fc035600cd51fe476e3f677390539f41f68e371cbef86a981d9

      Download Submit
    • memory/876-64-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/876-66-0x00000000004610EE-mapping.dmp
      Download
    • memory/876-71-0x0000000076171000-0x0000000076173000-memory.dmp
      Filesize

      8KB

      Download
    • memory/876-70-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/876-68-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/876-60-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/876-61-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/876-63-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/876-65-0x0000000000400000-0x0000000000466000-memory.dmp
      Filesize

      408KB

      Download
    • memory/1540-58-0x0000000000000000-mapping.dmp
      Download
    • memory/1676-54-0x0000000000F60000-0x0000000000FFC000-memory.dmp
      Filesize

      624KB

      Download
    • memory/1676-56-0x0000000004450000-0x00000000044D8000-memory.dmp
      Filesize

      544KB

      Download
    • memory/1676-55-0x00000000002E0000-0x00000000002EA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/1676-57-0x0000000004E30000-0x0000000004EB4000-memory.dmp
      Filesize

      528KB

      Download