Overview

overview

10

Static

static

Tender inq...df.exe

windows7_x64

10

Tender inq...df.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    99s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:35

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General

  • Target

    Tender inquiry.pdf.exe

  • Size

    583KB

  • MD5

    508497b3495d5f02ea2258a29000369a

  • SHA1

    74c383eaa63572bc7f8bf99b8ab00c23360b51cb

  • SHA256

    83fa39af770ba4292d5d4ec0f584d6285ac15d7ca19619bbe4dfc2f0287f0a9d

  • SHA512

    3dceced6a3bda7c9465300d79511b40b0cb1126b330360d66be133f839e20a02fb823f116ede13295427e56419adf8e7e343e02662bf2516a81ee12495e9777c

Score
10/10
agentteslacollectionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.greenslr.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    )HdurgF2

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • 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
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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\Tender inquiry.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Tender inquiry.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2912
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lWtPoe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5DC0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3764
    • C:\Users\Admin\AppData\Local\Temp\Tender inquiry.pdf.exe
      "{path}"
      2⤵
        PID:1408
      • C:\Users\Admin\AppData\Local\Temp\Tender inquiry.pdf.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:5036
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:4596

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Credentials in Files

      3
      T1081

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Data from Local System

      3
      T1005

      Email Collection

      1
      T1114

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Tender inquiry.pdf.exe.log
        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\tmp5DC0.tmp
        Filesize

        1KB

        MD5

        981eaff4f36b51d8ca8afa5704bd5238

        SHA1

        8140fa0dbc8d27d99d8ce947836d9bce13b3555c

        SHA256

        cec4fddbc39c8a38f039004da7268c7cc1159d90f3ab0d7d314fc64635d5ea3c

        SHA512

        c6b5d26173bfc3118303c16928a0b779af6e402af6c001757b7e455be5f994e3337309d0b919ce6ca06f62692fea1b5dd8ea28d8648c158c31c82f1d6db418ed

        Download Submit
      • memory/1408-137-0x0000000000000000-mapping.dmp
        Download
      • memory/2912-133-0x0000000005010000-0x000000000501A000-memory.dmp
        Filesize

        40KB

        Download
      • memory/2912-134-0x0000000007DD0000-0x0000000007E6C000-memory.dmp
        Filesize

        624KB

        Download
      • memory/2912-130-0x00000000005F0000-0x0000000000688000-memory.dmp
        Filesize

        608KB

        Download
      • memory/2912-132-0x0000000005060000-0x00000000050F2000-memory.dmp
        Filesize

        584KB

        Download
      • memory/2912-131-0x0000000005610000-0x0000000005BB4000-memory.dmp
        Filesize

        5.6MB

        Download
      • memory/3764-135-0x0000000000000000-mapping.dmp
        Download
      • memory/4596-143-0x0000000000000000-mapping.dmp
        Download
      • memory/5036-138-0x0000000000000000-mapping.dmp
        Download
      • memory/5036-139-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

        Download
      • memory/5036-141-0x0000000005F80000-0x0000000005FE6000-memory.dmp
        Filesize

        408KB

        Download
      • memory/5036-142-0x0000000006A50000-0x0000000006AA0000-memory.dmp
        Filesize

        320KB

        Download