Overview

overview

10

Static

static

inquiry.exe

windows7_x64

10

inquiry.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    138s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:06

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General

  • Target

    inquiry.exe

  • Size

    708KB

  • MD5

    85ac7ba9fbcc19d097745a6b26c2ab66

  • SHA1

    aaf235117f5d6b681c805d48506a4a0eacafcfb6

  • SHA256

    a8a9e1ebbe728b5782a903729896edf68191c3d3af656feac7d9ac590b717e66

  • SHA512

    6f0c15137a057d686dabee63812df7a38564c347418eea10bf0d81db7544e5ef8eb5389102b26877212c7014e44c152629e2fa4697621a5007fb38d180764ee4

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bambam10

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bambam10

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 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\inquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\inquiry.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:2884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\spXnPYE" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD62.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1640
    • C:\Users\Admin\AppData\Local\Temp\inquiry.exe
      "{path}"
      2⤵
        PID:4988
      • C:\Users\Admin\AppData\Local\Temp\inquiry.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        • outlook_office_path
        • outlook_win_path
        PID:4104
        • C:\Windows\SysWOW64\netsh.exe
          "netsh" wlan show profile
          3⤵
            PID:4740

      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

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      Downloads

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

        1KB

        MD5

        e08f822522c617a40840c62e4b0fb45e

        SHA1

        ae516dca4da5234be6676d3f234c19ec55725be7

        SHA256

        bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

        SHA512

        894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

        Download Submit
      • C:\Users\Admin\AppData\Local\Temp\tmpCD62.tmp
        Filesize

        1KB

        MD5

        5708e63d8dd68340239f14b2748e7826

        SHA1

        39dc8ba5e5a7d35f9505feeb77d23abb76d29358

        SHA256

        c7399b7dbb7dfbe1be41b9571cdae442440afb134ac149bbe523f6ab65c8301a

        SHA512

        d9a9614e30e1a6119d692713483e9caec5b1207638df059c17b7acdece99ee43826efb6222ae88836e56eb6cc27d8b05d4d718acfdc32ee171ecd556e677c13c

        Download Submit
      • memory/1640-136-0x0000000000000000-mapping.dmp
        Download
      • memory/2884-133-0x00000000070E0000-0x00000000070EA000-memory.dmp
        Filesize

        40KB

        Download
      • memory/2884-134-0x0000000007400000-0x000000000749C000-memory.dmp
        Filesize

        624KB

        Download
      • memory/2884-135-0x0000000007FE0000-0x0000000008046000-memory.dmp
        Filesize

        408KB

        Download
      • memory/2884-130-0x00000000000F0000-0x00000000001A8000-memory.dmp
        Filesize

        736KB

        Download
      • memory/2884-132-0x0000000007150000-0x00000000071E2000-memory.dmp
        Filesize

        584KB

        Download
      • memory/2884-131-0x0000000007660000-0x0000000007C04000-memory.dmp
        Filesize

        5.6MB

        Download
      • memory/4104-139-0x0000000000000000-mapping.dmp
        Download
      • memory/4104-140-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

        Download
      • memory/4104-143-0x00000000064E0000-0x0000000006530000-memory.dmp
        Filesize

        320KB

        Download
      • memory/4740-142-0x0000000000000000-mapping.dmp
        Download
      • memory/4988-138-0x0000000000000000-mapping.dmp
        Download