Windows Analysis Report
EQxFL1u3m1.exe

Overview

General Information

Sample name: EQxFL1u3m1.exe
renamed because original name is a hash value
Original sample name: 92C93C0F3D586D4F26865F78C91C7200.exe
Analysis ID: 1431045
MD5: 92c93c0f3d586d4f26865f78c91c7200
SHA1: acfaf4714bd8dc1f784275a8a513a1e4c1a2de12
SHA256: c305dc9e2de49fecff28d19facee4e30fc568cbd04594f328c60301b1744387d
Tags: exeQuasarRATRAT
Infos:

Detection

Quasar
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Quasar
Snort IDS alert for network traffic
Yara detected Quasar RAT
C2 URLs / IPs found in malware configuration
Drops executables to the windows directory (C:\Windows) and starts them
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Allocates memory with a write watch (potentially for evading sandboxes)
Contains functionality to detect virtual machines (STR)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Detected potential crypto function
Drops PE files
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
IP address seen in connection with other malware
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses a known web browser user agent for HTTP communication
Uses code obfuscation techniques (call, push, ret)
Yara signature match

Classification

Name Description Attribution Blogpost URLs Link
Quasar RAT, QuasarRAT Quasar RAT is a malware family written in .NET which is used by a variety of attackers. The malware is fully functional and open source, and is often packed to make analysis of the source more difficult.
  • APT33
  • Dropping Elephant
  • Stone Panda
  • The Gorgon Group
 https://malpedia.caad.fkie.fraunhofer.de/details/win.quasar_rat

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: EQxFL1u3m1.exe Avira: detected
Antivirus detection for dropped file
Source: C:\Windows\System32\SubDir\Client.exe Avira: detection malicious, Label: HEUR/AGEN.1307453
Found malware configuration
Source: EQxFL1u3m1.exe Malware Configuration Extractor: Quasar {"Version": "1.4.1", "Host:Port": "xm.wintk.vip:1994;", "SubDirectory": "SubDir", "InstallName": "Client.exe", "MutexName": "09ae387c-a1cd-4bbc-a043-40c1658a6432", "StartupKey": "Quasar Client Startup", "LogDirectoryName": "Logs", "ServerSignature": "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", "ServerCertificate": "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"}
Multi AV Scanner detection for dropped file
Source: C:\Windows\System32\SubDir\Client.exe ReversingLabs: Detection: 76%
Multi AV Scanner detection for submitted file
Source: EQxFL1u3m1.exe ReversingLabs: Detection: 76%
Yara detected Quasar RAT
Source: Yara match File source: EQxFL1u3m1.exe, type: SAMPLE
Source: Yara match File source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000006.00000002.2055412636.000000938B5C9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD32800000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043662966.000000251EAB9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB540000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024885502.0000000000A00000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB548000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD3280F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.00000000033A4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.0000000002FA9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2045178307.0000000002D61000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000005.00000002.2069772715.00000000028F1000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024569386.00000000006E2000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: EQxFL1u3m1.exe PID: 3128, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 2124, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 2272, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 3372, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 736, type: MEMORYSTR
Source: Yara match File source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED
Machine Learning detection for dropped file
Source: C:\Windows\System32\SubDir\Client.exe Joe Sandbox ML: detected
Machine Learning detection for sample
Source: EQxFL1u3m1.exe Joe Sandbox ML: detected
Uses 32bit PE files
Source: EQxFL1u3m1.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Source: unknown HTTPS traffic detected: 108.181.47.111:443 -> 192.168.2.5:49707 version: TLS 1.2
Source: EQxFL1u3m1.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Networking
barindex
Snort IDS alert for network traffic
Source: Traffic Snort IDS: 2035595 ET TROJAN Generic AsyncRAT Style SSL Cert 192.144.128.196:1994 -> 192.168.2.5:49705
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: xm.wintk.vip
Yara detected Generic Downloader
Source: Yara match File source: EQxFL1u3m1.exe, type: SAMPLE
Source: Yara match File source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 108.181.47.111 108.181.47.111
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 3b5074b1b5d032e5620f69f9f700ff0e
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET / HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0Host: ipwho.isConnection: Keep-Alive
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: global traffic HTTP traffic detected: GET / HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0Host: ipwho.isConnection: Keep-Alive
Source: global traffic DNS traffic detected: DNS query: xm.wintk.vip
Source: global traffic DNS traffic detected: DNS query: ipwho.is
Source: Client.exe, 00000004.00000002.3295978291.000000001BBF0000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.v
Source: Client.exe, 00000004.00000002.3295978291.000000001BD1C000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en
Source: Client.exe, 00000004.00000002.3284348309.0000000001368000.00000004.00000020.00020000.00000000.sdmp, 77EC63BDA74BD0D0E0426DC8F80085060.4.dr String found in binary or memory: http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab
Source: Client.exe, 00000004.00000002.3285335572.0000000003355000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://ipwho.is
Source: Client.exe, 00000004.00000002.3285335572.00000000033A4000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://schemas.datacontract.org/2004/07/
Source: EQxFL1u3m1.exe, 00000000.00000002.2045178307.0000000002D61000.00000004.00000800.00020000.00000000.sdmp, Client.exe, 00000004.00000002.3285335572.0000000002FA9000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: EQxFL1u3m1.exe, Client.exe.0.dr String found in binary or memory: https://api.ipify.org/
Source: Client.exe, 00000004.00000002.3285335572.000000000333B000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: https://ipwho.is
Source: EQxFL1u3m1.exe, Client.exe.0.dr String found in binary or memory: https://ipwho.is/
Source: EQxFL1u3m1.exe, Client.exe.0.dr String found in binary or memory: https://stackoverflow.com/q/11564914/23354;
Source: EQxFL1u3m1.exe, Client.exe.0.dr String found in binary or memory: https://stackoverflow.com/q/14436606/23354
Source: EQxFL1u3m1.exe, Client.exe.0.dr String found in binary or memory: https://stackoverflow.com/q/2152978/23354sCannot
Source: unknown Network traffic detected: HTTP traffic on port 49707 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49707
Source: unknown HTTPS traffic detected: 108.181.47.111:443 -> 192.168.2.5:49707 version: TLS 1.2

Key, Mouse, Clipboard, Microphone and Screen Capturing
barindex
Installs a global keyboard hook
Source: C:\Windows\System32\SubDir\Client.exe Windows user hook set: 0 keyboard low level C:\Windows\system32\SubDir\Client.exe Jump to behavior

E-Banking Fraud
barindex
Yara detected Quasar RAT
Source: Yara match File source: EQxFL1u3m1.exe, type: SAMPLE
Source: Yara match File source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000006.00000002.2055412636.000000938B5C9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD32800000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043662966.000000251EAB9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB540000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024885502.0000000000A00000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB548000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD3280F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.00000000033A4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.0000000002FA9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2045178307.0000000002D61000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000005.00000002.2069772715.00000000028F1000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024569386.00000000006E2000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: EQxFL1u3m1.exe PID: 3128, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 2124, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 2272, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 3372, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 736, type: MEMORYSTR
Source: Yara match File source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED

System Summary
barindex
Malicious sample detected (through community Yara rule)
Source: EQxFL1u3m1.exe, type: SAMPLE Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: EQxFL1u3m1.exe, type: SAMPLE Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: EQxFL1u3m1.exe, type: SAMPLE Matched rule: Detects Quasar infostealer Author: ditekshen
Source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE Matched rule: Detects Quasar infostealer Author: ditekshen
Source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED Matched rule: Detects QuasarRAT malware Author: Florian Roth
Source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED Matched rule: Detects executables containing common artifcats observed in infostealers Author: ditekSHen
Source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED Matched rule: Detects Quasar infostealer Author: ditekshen
Creates files inside the system directory
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File created: C:\Windows\system32\SubDir Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File created: C:\Windows\system32\SubDir\Client.exe Jump to behavior
Detected potential crypto function
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF848F43C6F 4_2_00007FF848F43C6F
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491B9271 4_2_00007FF8491B9271
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491CCAE5 4_2_00007FF8491CCAE5
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491C89D2 4_2_00007FF8491C89D2
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491C7C26 4_2_00007FF8491C7C26
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491CEBD4 4_2_00007FF8491CEBD4
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491B55D6 4_2_00007FF8491B55D6
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491CB861 4_2_00007FF8491CB861
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491D50F0 4_2_00007FF8491D50F0
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491BAFDD 4_2_00007FF8491BAFDD
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491B9FD0 4_2_00007FF8491B9FD0
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491B621F 4_2_00007FF8491B621F
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8492D2362 4_2_00007FF8492D2362
Sample file is different than original file name gathered from version info
Source: EQxFL1u3m1.exe, 00000000.00000000.2024885502.0000000000A00000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenameClient.exe. vs EQxFL1u3m1.exe
Source: EQxFL1u3m1.exe Binary or memory string: OriginalFilenameClient.exe. vs EQxFL1u3m1.exe
Uses 32bit PE files
Source: EQxFL1u3m1.exe Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE
Yara signature match
Source: EQxFL1u3m1.exe, type: SAMPLE Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: EQxFL1u3m1.exe, type: SAMPLE Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: EQxFL1u3m1.exe, type: SAMPLE Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED Matched rule: MAL_QuasarRAT_May19_1 date = 2019-05-27, hash1 = 0644e561225ab696a97ba9a77583dcaab4c26ef0379078c65f9ade684406eded, author = Florian Roth, description = Detects QuasarRAT malware, reference = https://blog.ensilo.com/uncovering-new-activity-by-apt10
Source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED Matched rule: INDICATOR_SUSPICIOUS_GENInfoStealer author = ditekSHen, description = Detects executables containing common artifcats observed in infostealers
Source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED Matched rule: MALWARE_Win_QuasarStealer author = ditekshen, description = Detects Quasar infostealer, clamav_sig = MALWARE.Win.Trojan.QuasarStealer
Source: classification engine Classification label: mal100.troj.spyw.evad.winEXE@10/5@2/2
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\EQxFL1u3m1.exe.log Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Mutant created: NULL
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4448:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5080:120:WilError_03
Source: C:\Windows\System32\SubDir\Client.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\09ae387c-a1cd-4bbc-a043-40c1658a6432
Source: EQxFL1u3m1.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: EQxFL1u3m1.exe Static file information: TRID: Win32 Executable (generic) Net Framework (10011505/4) 49.80%
Source: C:\Windows\System32\SubDir\Client.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: EQxFL1u3m1.exe ReversingLabs: Detection: 76%
Source: EQxFL1u3m1.exe String found in binary or memory: HasSubValue3Conflicting item/add type
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File read: C:\Users\user\Desktop\EQxFL1u3m1.exe Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\EQxFL1u3m1.exe "C:\Users\user\Desktop\EQxFL1u3m1.exe"
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f
Source: C:\Windows\System32\schtasks.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\SubDir\Client.exe "C:\Windows\system32\SubDir\Client.exe"
Source: unknown Process created: C:\Windows\System32\SubDir\Client.exe C:\Windows\system32\SubDir\Client.exe
Source: C:\Windows\System32\SubDir\Client.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f
Source: C:\Windows\System32\schtasks.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\SubDir\Client.exe "C:\Windows\system32\SubDir\Client.exe" Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: version.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: ntmarta.dll Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: taskschd.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: xmllite.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: mswsock.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: dnsapi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: iphlpapi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: rasadhlp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: fwpuclnt.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: secur32.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: schannel.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: mskeyprotect.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ntasn1.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ncrypt.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ncryptsslp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: gpapi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: cryptnet.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: winnsi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: winhttp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: dhcpcsvc6.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: dhcpcsvc.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: webio.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: cabinet.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: rasapi32.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: rasman.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: rtutils.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ondemandconnroutehelper.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: wbemcomn.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: windows.storage.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: taskschd.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: sspicli.dll Jump to behavior
Source: C:\Windows\System32\schtasks.exe Section loaded: xmllite.dll Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{CF4CC405-E2C5-4DDD-B3CE-5E7582D8C9FA}\InprocServer32 Jump to behavior
Source: EQxFL1u3m1.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: EQxFL1u3m1.exe Static PE information: Virtual size of .text is bigger than: 0x100000
Source: EQxFL1u3m1.exe Static file information: File size 3266048 > 1048576
Source: EQxFL1u3m1.exe Static PE information: Raw size of .text is bigger than: 0x100000 < 0x31c600
Source: EQxFL1u3m1.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Code function: 0_2_00007FF848F100BD pushad ; iretd 0_2_00007FF848F100C1
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF848E2D2A5 pushad ; iretd 4_2_00007FF848E2D2A6
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF848F42C10 push eax; iretd 4_2_00007FF848F42C4D
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF848F400BD pushad ; iretd 4_2_00007FF848F400C1
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491B33A0 push eax; ret 4_2_00007FF8491B340C
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8491CDBB0 push ss; retn FFD7h 4_2_00007FF8491CDD1F
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF8492D2362 push edx; retf 5F1Dh 4_2_00007FF8492D5A3B
Source: C:\Windows\System32\SubDir\Client.exe Code function: 5_2_00007FF848F100BD pushad ; iretd 5_2_00007FF848F100C1

Persistence and Installation Behavior
barindex
Drops executables to the windows directory (C:\Windows) and starts them
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Executable created and started: C:\Windows\system32\SubDir\Client.exe Jump to behavior
Drops PE files
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File created: C:\Windows\System32\SubDir\Client.exe Jump to dropped file
Drops PE files to the windows directory (C:\Windows)
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File created: C:\Windows\System32\SubDir\Client.exe Jump to dropped file

Boot Survival
barindex
Uses schtasks.exe or at.exe to add and modify task schedules
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f

Hooking and other Techniques for Hiding and Protection
barindex
Hides that the sample has been downloaded from the Internet (zone.identifier)
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File opened: C:\Users\user\Desktop\EQxFL1u3m1.exe:Zone.Identifier read attributes | delete Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe File opened: C:\Windows\system32\SubDir\Client.exe:Zone.Identifier read attributes | delete Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe File opened: C:\Windows\system32\SubDir\Client.exe:Zone.Identifier read attributes | delete Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Allocates memory with a write watch (potentially for evading sandboxes)
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Memory allocated: 1130000 memory reserve | memory write watch Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Memory allocated: 1AD60000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Memory allocated: 2CB0000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Memory allocated: 1AF70000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Memory allocated: 2710000 memory reserve | memory write watch Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Memory allocated: 1A8F0000 memory reserve | memory write watch Jump to behavior
Contains functionality to detect virtual machines (STR)
Source: C:\Windows\System32\SubDir\Client.exe Code function: 4_2_00007FF848F4F1F2 str ax 4_2_00007FF848F4F1F2
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Windows\System32\SubDir\Client.exe Window / User API: threadDelayed 1937 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Window / User API: threadDelayed 7800 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe TID: 2992 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe TID: 2952 Thread sleep time: -24903104499507879s >= -30000s Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe TID: 428 Thread sleep count: 1937 > 30 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe TID: 428 Thread sleep count: 7800 > 30 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe TID: 6604 Thread sleep time: -30000s >= -30000s Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe TID: 5612 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Windows\System32\SubDir\Client.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_BaseBoard
Source: C:\Windows\System32\SubDir\Client.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_BIOS
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Windows\System32\SubDir\Client.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: Client.exe, 00000004.00000002.3295053906.000000001B8E2000.00000004.00000020.00020000.00000000.sdmp, Client.exe, 00000004.00000002.3295978291.000000001BD1C000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Enables debug privileges
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process token adjusted: Debug Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process token adjusted: Debug Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Memory allocated: page read and write | page guard Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Process created: C:\Windows\System32\SubDir\Client.exe "C:\Windows\system32\SubDir\Client.exe" Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Process created: C:\Windows\System32\schtasks.exe "schtasks" /create /tn "Quasar Client Startup" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Client.exe" /rl HIGHEST /f Jump to behavior
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Queries volume information: C:\Users\user\Desktop\EQxFL1u3m1.exe VolumeInformation Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Queries volume information: C:\Windows\System32\SubDir\Client.exe VolumeInformation Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Security\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Security.dll VolumeInformation Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Data.SqlXml\v4.0_4.0.0.0__b77a5c561934e089\System.Data.SqlXml.dll VolumeInformation Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\SMDiagnostics\v4.0_4.0.0.0__b77a5c561934e089\SMDiagnostics.dll VolumeInformation Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.ServiceModel.Internals\v4.0_4.0.0.0__31bf3856ad364e35\System.ServiceModel.Internals.dll VolumeInformation Jump to behavior
Source: C:\Windows\System32\SubDir\Client.exe Queries volume information: C:\Windows\System32\SubDir\Client.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\EQxFL1u3m1.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information
barindex
Yara detected Quasar RAT
Source: Yara match File source: EQxFL1u3m1.exe, type: SAMPLE
Source: Yara match File source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000006.00000002.2055412636.000000938B5C9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD32800000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043662966.000000251EAB9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB540000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024885502.0000000000A00000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB548000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD3280F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.00000000033A4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.0000000002FA9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2045178307.0000000002D61000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000005.00000002.2069772715.00000000028F1000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024569386.00000000006E2000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: EQxFL1u3m1.exe PID: 3128, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 2124, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 2272, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 3372, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 736, type: MEMORYSTR
Source: Yara match File source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED

Remote Access Functionality
barindex
Yara detected Quasar RAT
Source: Yara match File source: EQxFL1u3m1.exe, type: SAMPLE
Source: Yara match File source: 0.0.EQxFL1u3m1.exe.6e0000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 00000006.00000002.2055412636.000000938B5C9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD32800000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043662966.000000251EAB9000.00000004.00000010.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB540000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024885502.0000000000A00000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055538186.000001ADFB548000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043773340.000001BD327A0000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.2043805988.000001BD3280F000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000006.00000002.2055605743.000001ADFB7F5000.00000004.00000020.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.00000000033A4000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000004.00000002.3285335572.0000000002FA9000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.2045178307.0000000002D61000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000005.00000002.2069772715.00000000028F1000.00000004.00000800.00020000.00000000.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000000.2024569386.00000000006E2000.00000002.00000001.01000000.00000003.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: EQxFL1u3m1.exe PID: 3128, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 2124, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 2272, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: Client.exe PID: 3372, type: MEMORYSTR
Source: Yara match File source: Process Memory Space: schtasks.exe PID: 736, type: MEMORYSTR
Source: Yara match File source: C:\Windows\System32\SubDir\Client.exe, type: DROPPED
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1431045 Sample: EQxFL1u3m1.exe Startdate: 24/04/2024 Architecture: WINDOWS Score: 100 29 xm.wintk.vip 2->29 31 ipwho.is 2->31 33 bg.microsoft.map.fastly.net 2->33 47 Snort IDS alert for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 7 other signatures 2->53 9 EQxFL1u3m1.exe 5 2->9         started        13 Client.exe 3 2->13         started        signatures3 process4 file5 27 C:\Windows\System32\SubDir\Client.exe, PE32 9->27 dropped 55 Drops executables to the windows directory (C:\Windows) and starts them 9->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 9->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->59 15 Client.exe 14 2 9->15         started        19 schtasks.exe 1 9->19         started        signatures6 process7 dnsIp8 35 xm.wintk.vip 192.144.128.196, 1994, 49705 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa China 15->35 37 ipwho.is 108.181.47.111, 443, 49707 ASN852CA Canada 15->37 39 Antivirus detection for dropped file 15->39 41 Multi AV Scanner detection for dropped file 15->41 43 Machine Learning detection for dropped file 15->43 45 2 other signatures 15->45 21 schtasks.exe 1 15->21         started        23 conhost.exe 19->23         started        signatures9 process10 process11 25 conhost.exe 21->25         started       
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
192.144.128.196
 xm.wintk.vip China
45090 CNNIC-TENCENT-NET-APShenzhenTencentComputerSystemsCompa true
108.181.47.111
 ipwho.is Canada
852 ASN852CA false

Contacted Domains

Name IP Active
bg.microsoft.map.fastly.net 199.232.214.172 true
ipwho.is 108.181.47.111 true
xm.wintk.vip 192.144.128.196 true

Contacted URLs

Name Malicious Antivirus Detection Reputation
xm.wintk.vip true
  • Avira URL Cloud: safe
 unknown
https://ipwho.is/ false
  • URL Reputation: safe
 unknown