Overview

overview

10

Static

static

QXVa6NvH82Yaiva.exe

windows7_x64

10

QXVa6NvH82Yaiva.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 23:32

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General

  • Target

    QXVa6NvH82Yaiva.exe

  • Size

    682KB

  • MD5

    5b0f4ae46d79b6e8016b010d2d823e27

  • SHA1

    180c8936879c2da34329042ab56fb628d9f4766a

  • SHA256

    09be1d1130ddcf7aa7d321a4c70110c98a344812c818ed0cacfcbab916338034

  • SHA512

    b37dbd01043a184ba403c50fa7fe46d5b5a724f13d931a96e6dfb711e732b378807beadb31e42fcb3855cae17bddd6f1f94b6fa1023241aa99d2ad59feafc992

Score
10/10
agentteslacollectionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    esut96092

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\QXVa6NvH82Yaiva.exe
    "C:\Users\Admin\AppData\Local\Temp\QXVa6NvH82Yaiva.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RnSoNyQm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4304.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4816
    • C:\Users\Admin\AppData\Local\Temp\QXVa6NvH82Yaiva.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:3512

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\QXVa6NvH82Yaiva.exe.log
    Filesize

    685B

    MD5

    06756efb3bf9fa6947593fab82b34df8

    SHA1

    1331e21ffa904899e00149eb253223887b574b51

    SHA256

    502a11059ba9663d28365e93a9ad9b0829f0c2322c35f3480d33b8ce1dd91532

    SHA512

    eaaf28c6f1cec84ec397e79bd4cd432583df34b8c70dc6cb03533a8af788311db9cd64f9402660b0850779a72facef571b1325b688b8eca082a9796484cab261

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\tmp4304.tmp
    Filesize

    1KB

    MD5

    ed1361179b631b972e85c906c973578c

    SHA1

    c8a88315dd9272bc901506fa068be958d3ac148a

    SHA256

    b8404452704e05ae14db0bf56c501a63d255f1c8649c2b06cb8a3a5cb6f2c80c

    SHA512

    b3650d29c4f76865c4772bc3d808fb3658f16a7165c85ce35fabc97cc9cf0250571d985ef13444b4b962601713727b69b60405eea70adcb4c69865eaa0c8925b

    Download Submit
  • memory/1440-132-0x0000000004FA0000-0x0000000005032000-memory.dmp
    Filesize

    584KB

    Download
  • memory/1440-133-0x0000000005300000-0x0000000005486000-memory.dmp
    Filesize

    1.5MB

    Download
  • memory/1440-134-0x0000000005170000-0x000000000520C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/1440-130-0x0000000000170000-0x0000000000220000-memory.dmp
    Filesize

    704KB

    Download
  • memory/1440-131-0x0000000005720000-0x0000000005CC4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3512-137-0x0000000000000000-mapping.dmp
    Download
  • memory/3512-138-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/3512-140-0x0000000006730000-0x0000000006796000-memory.dmp
    Filesize

    408KB

    Download
  • memory/3512-141-0x0000000006A70000-0x0000000006AC0000-memory.dmp
    Filesize

    320KB

    Download
  • memory/3512-142-0x0000000001690000-0x000000000169A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/4816-135-0x0000000000000000-mapping.dmp
    Download