Overview

overview

10

Static

static

KTVC1T1Q.exe

windows7_x64

10

KTVC1T1Q.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    136s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:45

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General

  • Target

    KTVC1T1Q.exe

  • Size

    451KB

  • MD5

    25e2eb0fa9921cd581cfda6e4704df84

  • SHA1

    50a460840f06df61f392aa8ed418ffe2920f60d0

  • SHA256

    980aa437fe75f379ec614dbf85c3de7c1b9d9551c78e898be04b49ec1fde6b9c

  • SHA512

    6d863706bba3c27284301846d2ff4174619ba1d09785da55df50909482e4b3557f0ae788026c568b8f5f229196e1eff4d056a87e25a2119d9c9ab888ca280e53

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.starmakertravel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    admin2000

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 2 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\KTVC1T1Q.exe
    "C:\Users\Admin\AppData\Local\Temp\KTVC1T1Q.exe"
    1⤵
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2592
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SHuDQBjriqWzs" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7D0F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3300
    • C:\Users\Admin\AppData\Local\Temp\KTVC1T1Q.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3664
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:3940

    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\KTVC1T1Q.exe.log
      Filesize

      1KB

      MD5

      e08f822522c617a40840c62e4b0fb45e

      SHA1

      ae516dca4da5234be6676d3f234c19ec55725be7

      SHA256

      bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7

      SHA512

      894a7fb7bbc18ac6ba13378f58a7db80ad00d6080be9a66b01cae8e23e41d9d2d4cd53c1e20669356b73590c8a3ebfda4bdda3258f81240db56c4a81b7313fe4

      Download Submit
    • C:\Users\Admin\AppData\Local\Temp\tmp7D0F.tmp
      Filesize

      1KB

      MD5

      853ed6cf29af032c3ccb25fae6525cb2

      SHA1

      0cf38bbcc8ecd393b63bb197c46c11ac26211def

      SHA256

      1358134a762437e5b9246924a4cb62e06d5cda8d965e602d3a2fae94f51abea3

      SHA512

      a0f58b5506ebe5bd92487c75654086dd6fa1290468c29bfb21c97297110cdae09f7d6471e9837a65b3654d8ef19007014482842246b734f62ebd39fb18adf3a1

      Download Submit
    • memory/2592-131-0x00000000057A0000-0x0000000005D44000-memory.dmp
      Filesize

      5.6MB

      Download
    • memory/2592-132-0x0000000005100000-0x0000000005192000-memory.dmp
      Filesize

      584KB

      Download
    • memory/2592-133-0x00000000051C0000-0x00000000051CA000-memory.dmp
      Filesize

      40KB

      Download
    • memory/2592-134-0x0000000008BA0000-0x0000000008C3C000-memory.dmp
      Filesize

      624KB

      Download
    • memory/2592-135-0x0000000009300000-0x0000000009366000-memory.dmp
      Filesize

      408KB

      Download
    • memory/2592-130-0x00000000006F0000-0x0000000000768000-memory.dmp
      Filesize

      480KB

      Download
    • memory/3300-136-0x0000000000000000-mapping.dmp
      Download
    • memory/3664-139-0x0000000000400000-0x0000000000450000-memory.dmp
      Filesize

      320KB

      Download
    • memory/3664-138-0x0000000000000000-mapping.dmp
      Download
    • memory/3664-141-0x00000000075F0000-0x0000000007640000-memory.dmp
      Filesize

      320KB

      Download
    • memory/3940-142-0x0000000000000000-mapping.dmp
      Download