Overview

overview

10

Static

static

J6NLUnAQN1LMjkH.exe

windows7_x64

10

J6NLUnAQN1LMjkH.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    170s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:17

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General

  • Target

    J6NLUnAQN1LMjkH.exe

  • Size

    500KB

  • MD5

    241387d95cea5198a87f85023de031fc

  • SHA1

    2a2038cd20cfb2acb55bf0fb92ded52ba192b071

  • SHA256

    a7f24f863c3e86db31552f6c91365ae54b272594ee446a5a8ab658ac42a26eae

  • SHA512

    a03de62ca3bca0d6540e530ef6572cd330caeb9919cc7704f23bdc4f81bd94e556cc2afa2435f52e66958886057158530b279facde2a222cc51725e73bcec685

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials

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

Extracted

Family

agenttesla

Credentials

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

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
  • 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 3 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\J6NLUnAQN1LMjkH.exe
    "C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rUxFKJcWrhn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp40BD.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1532
    • C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe
      "C:\Users\Admin\AppData\Local\Temp\J6NLUnAQN1LMjkH.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1844

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

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\J6NLUnAQN1LMjkH.exe.log
    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp40BD.tmp
    Filesize

    1KB

    MD5

    7b9d0a6f1fdf22ba2d236ef0a5c6d18a

    SHA1

    66f3cabfd5e034bbcd59da730ab3f1cbac4531b5

    SHA256

    e4e0872aea9d94d7a0c2e133a09970193c1f94ac1c8cf9702661b64a49b96dcf

    SHA512

    89483a6b713894c2d0c9e91c193e94d8f577bb413ac6e8999a1bf29c310c493186de403d9b020318e3740f14bc01d232877c1973c9c8ee589afe47b131c87b26

    Download Submit
  • memory/1172-131-0x0000000005360000-0x00000000053FC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/1172-132-0x00000000059B0000-0x0000000005F54000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/1172-133-0x00000000054A0000-0x0000000005532000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1172-134-0x0000000005430000-0x000000000543A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/1172-135-0x00000000057F0000-0x0000000005846000-memory.dmp
    Filesize

    344KB

    Download
  • memory/1172-130-0x0000000000A60000-0x0000000000AE4000-memory.dmp
    Filesize

    528KB

    Download
  • memory/1532-136-0x0000000000000000-mapping.dmp
    Download
  • memory/1844-139-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1844-138-0x0000000000000000-mapping.dmp
    Download
  • memory/1844-141-0x0000000006030000-0x0000000006096000-memory.dmp
    Filesize

    408KB

    Download
  • memory/1844-142-0x0000000006D80000-0x0000000006DD0000-memory.dmp
    Filesize

    320KB

    Download