Overview

overview

10

Static

static

Enquiry.exe

windows7_x64

10

Enquiry.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    92s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:49

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General

  • Target

    Enquiry.exe

  • Size

    401KB

  • MD5

    c6bfb4a00c7988a677c19c0f17937855

  • SHA1

    07ca99213270bf82c1b90b06a1f990c363a3440c

  • SHA256

    d97d1614a199d784c0697ff01eff3e4d195dd07e65879a59b3b805d2088ad8a9

  • SHA512

    e79a72cfcfb9e735150b498540f3d9d088491dfa8beef41c2a9d6744d86c68ba4955a21031bbf26437caed1c50df81bd5079e8e755e2842d1d34673c825c3b51

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

  • Protocol:     smtp
  • Host:
    mail.lotusgrandhotel.ae
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fbm@Lotusgrand

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.lotusgrandhotel.ae
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fbm@Lotusgrand

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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Enquiry.exe
    "C:\Users\Admin\AppData\Local\Temp\Enquiry.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:3656
    • C:\Users\Admin\AppData\Local\Temp\Enquiry.exe
      "{path}"
      2⤵
        PID:3524
      • C:\Users\Admin\AppData\Local\Temp\Enquiry.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:1076

    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

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Enquiry.exe.log
      Filesize

      500B

      MD5

      2cf8da723c411f82e03635d9608be873

      SHA1

      f4f0d266e09f3a3e560b4f3bdf4d007072f553a6

      SHA256

      aacbd50ce6af35749c48f60099125c9c2d4105a7cc595713c993453780884521

      SHA512

      6bf5ebaa23390138ca2f61073f97a0e47cc484802b98b80e6f4a68e965d0a4f6e1ca8102378d44a232714b0b9e39085ad7a8c60445a47f41731e80354243b67f

      Download Submit
    • memory/1076-132-0x0000000000000000-mapping.dmp
      Download
    • memory/1076-133-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

      Download
    • memory/1076-135-0x0000000074910000-0x0000000074EC1000-memory.dmp
      Filesize

      5.7MB

      Download
    • memory/3524-131-0x0000000000000000-mapping.dmp
      Download
    • memory/3656-130-0x0000000074910000-0x0000000074EC1000-memory.dmp
      Filesize

      5.7MB

      Download