MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


QuasarRAT


Vendor detections: 18


Intelligence 18 IOCs 1 YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2
SHA3-384 hash: bcd8fe243a9d0d7b5ab0784109e0788e8ee51eb92aff3408a9155ded6c4107c48eb3891f4bc33a5b2fb9ed9827662605
SHA1 hash: c321593cb3d8e279dfbdcf6d8bb94fac93cdc405
MD5 hash: 8ad256c5b786abb5f1552d906df3482a
humanhash: lithium-may-social-king
File name:8AD256C5B786ABB5F1552D906DF3482A.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'323'392 bytes
First seen:2026-08-13 11:00:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 98304:fIkY/PwAGbn5quMRYfiGmvd0W3qfb+VBO:fdgYAG75qurfiUYESXO
TLSH T17A16AE1BF6748270D0B6C075C5E2AB9AEE7134864B3096CB1285977D3F27AF68639331
TrID 58.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.1% (.EXE) Win64 Executable (generic) (6522/11/2)
4.4% (.FON) Windows Font (5545/9/1)
Magika pebin
dhash icon e862eae6b696c6cc (6 x LummaStealer, 2 x Vidar, 2 x RustyStealer)
Reporter abuse_ch
Tags:exe QuasarRAT RAT


Avatar
abuse_ch
QuasarRAT C2:
202.181.188.64:1488

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
202.181.188.64:1488 https://threatfox.abuse.ch/ioc/1873606/

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
PostExploitTool
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8390d057-ebbf-4778-a394-7df293f553fe/
Malware family:
quasar
Create hunting rule
ID:
1
File name:
exe
Verdict:
Malicious activity
Analysis date:
2026-08-13 11:10:25 UTC
Tags:
windivert-sys mal-driver auto-sch rat quasar remote evasion github winring0-sys vuln-driver arch-exec xmrig
Link:
https://app.any.run/tasks/e6424928-a3b8-4b55-961f-f4a6a55748a3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80852/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Moving a recently created file
Creating a window
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm crypto evasive explorer installer-heuristic lolbin overlay packed reconnaissance reconnaissance
Link:
https://www.filescan.io/uploads/6a7da3e7a5cc9460b9f2de3e/reports/08a9ea9b-3b53-4949-aa0c-c6fa9761f0d3/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-08-08T13:38:00Z UTC
Last seen:
2026-08-14T01:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5728ad88-1e31-4c4f-af50-b536cef537c9
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1957410
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Disables the windows firewall (over ALG)
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
NDIS Filter Driver detected (likely used to intercept and sniff network traffic)
Potential Privilege Escalation using Task Scheduler highest RunLevel
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1957410 Sample: 4tHLCm9qCL.exe Startdate: 13/08/2026 Architecture: WINDOWS Score: 100 111 waizerfly.com 2->111 113 vk10.waizerfly.com 2->113 115 9 other IPs or domains 2->115 129 Suricata IDS alerts for network traffic 2->129 131 Found malware configuration 2->131 133 Malicious sample detected (through community Yara rule) 2->133 135 7 other signatures 2->135 11 4tHLCm9qCL.exe 9 2->11         started        15 svchost.exe 2->15         started        17 svchost.exe 1 1 2->17         started        20 8 other processes 2->20 signatures3 process4 dnsIp5 101 C:\ProgramData\Installer\7z.exe.tmp, PE32+ 11->101 dropped 103 C:\ProgramData\Installer\7z.exe (copy), PE32+ 11->103 dropped 105 C:\ProgramData\Installer\7z.dll.tmp, PE32+ 11->105 dropped 107 2 other malicious files 11->107 dropped 169 Modifies the windows firewall 11->169 171 Adds a directory exclusion to Windows Defender 11->171 173 Disables the windows firewall (over ALG) 11->173 22 Launcher.exe 11->22         started        27 powershell.exe 23 11->27         started        29 7z.exe 11->29         started        33 3 other processes 11->33 175 Changes security center settings (notifications, updates, antivirus, firewall) 15->175 31 MpCmdRun.exe 15->31         started        109 127.0.0.1 unknown unknown 17->109 file6 signatures7 process8 dnsIp9 117 waizerfly.com 185.199.110.153, 443, 49710, 49711 FASTLY-FastlyIncUS United States 22->117 91 C:\ProgramData\Launcher\player.exe.tmp, PE32+ 22->91 dropped 93 C:\ProgramData\Launcher\player.exe (copy), PE32+ 22->93 dropped 95 C:\ProgramData\Launcher\WinDivert64.sys.tmp, PE32+ 22->95 dropped 99 5 other malicious files 22->99 dropped 147 Multi AV Scanner detection for dropped file 22->147 149 Uses schtasks.exe or at.exe to add and modify task schedules 22->149 151 Disables UAC (registry) 22->151 153 Potential Privilege Escalation using Task Scheduler highest RunLevel 22->153 35 player.exe 22->35         started        39 7z.exe 22->39         started        41 KryptexService.exe 22->41         started        52 3 other processes 22->52 155 Uses netsh to modify the Windows network and firewall settings 27->155 157 Loading BitLocker PowerShell Module 27->157 44 conhost.exe 27->44         started        97 C:\ProgramData\Launcher\Launcher.exe, PE32+ 29->97 dropped 159 Found strings related to Crypto-Mining 29->159 46 conhost.exe 29->46         started        48 conhost.exe 31->48         started        50 netsh.exe 2 33->50         started        54 2 other processes 33->54 file10 signatures11 process12 dnsIp13 81 C:\Windows\System32\subdir\player.exe, PE32+ 35->81 dropped 137 Drops executables to the windows directory (C:\Windows) and starts them 35->137 139 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->139 56 player.exe 35->56         started        60 schtasks.exe 35->60         started        83 C:\ProgramData\Launcher\intelgpu-util.exe, PE32+ 39->83 dropped 85 C:\ProgramData\Launcher\console-util.exe, PE32+ 39->85 dropped 87 C:\ProgramData\Launcher\amdgpu-util.exe, PE32+ 39->87 dropped 89 C:\ProgramData\Launcher\KryptexService.exe, PE32+ 39->89 dropped 62 conhost.exe 39->62         started        123 api.kryptex.com 5.252.32.30, 443, 49714, 49719 STORMWALL-ASSK Germany 41->123 125 api-ru.kryptex.com 193.233.63.3, 443, 49716 SAFEVALUE-ASSC Seychelles 41->125 127 sentry-app.kryptex.org 95.217.41.143, 443, 49717 HETZNER-ASDE Finland 41->127 141 Found strings related to Crypto-Mining 41->141 64 netsh.exe 41->64         started        67 conhost.exe 41->67         started        69 netsh.exe 41->69         started        143 Installs a global keyboard hook 48->143 145 Multi AV Scanner detection for dropped file 52->145 71 conhost.exe 52->71         started        file14 signatures15 process16 dnsIp17 119 vk10.waizerfly.com 202.181.188.64, 1488, 49712 GUARDNETWORK-ASPL Germany 56->119 121 ipwho.is 172.66.175.107, 443, 49718 CLOUDFLARENET-CloudflareIncUS Canada 56->121 161 Antivirus detection for dropped file 56->161 163 Multi AV Scanner detection for dropped file 56->163 165 Hides that the sample has been downloaded from the Internet (zone.identifier) 56->165 167 Installs a global keyboard hook 56->167 73 schtasks.exe 56->73         started        75 conhost.exe 60->75         started        79 stdout, ASCII 64->79 dropped file18 signatures19 process20 process21 77 conhost.exe 73->77         started       
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2
Verdict:
inconclusive
YARA:
14 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SFX 7z SOS: 0.24 VHD Disc Image Win 32 Exe x86
Link:
https://app.malva.re/file/8ad256c5b786abb5f1552d906df3482a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-08 18:31:54 UTC
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpbptlagqzslxbq5p6fftw2thaiagk6cnv27vvenxuhcxitecoza._file
Verdict:
malicious
Label(s):
QuasarRAT
Create hunting rule
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:quasar family:xmrig botnet:vk_v1.1 defense_evasion discovery execution miner persistence privilege_escalation spyware trojan
Link:
https://tria.ge/reports/260813-m4f15sfq8v/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops file in System32 directory
Checks whether UAC is enabled
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Modifies Windows Firewall
Family: Quasar RAT
Family: xmrig
Quasar payload
XMRig Miner payload
Malware Config
C2 Extraction:
vk10.waizerfly.com:1488
Unpacked files
SH256 hash:
b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2
MD5 hash:
8ad256c5b786abb5f1552d906df3482a
SHA1 hash:
c321593cb3d8e279dfbdcf6d8bb94fac93cdc405
Link:
https://www.unpac.me/results/fb78fc36-11da-4325-aa07-124d3d34c395/
SH256 hash:
83967f1b02b43c4efeda302795722c809e0e81b8307de73558d10484d5676a7d
MD5 hash:
0355ea40d9046173bb1435b41bfc118e
SHA1 hash:
abb27eaed3b878a16ebe5463301b9d70f4580b76
Link:
https://www.unpac.me/results/fb78fc36-11da-4325-aa07-124d3d34c395/
SH256 hash:
69fd4df057985c40e510e2fac182881c7f85e90aa13ec703f763a8fdb2ce61f8
MD5 hash:
58c9628787bce8db529dd668e1825630
SHA1 hash:
f59f722a9a0064fdc2c762100383d7babb0a57b6
Link:
https://www.unpac.me/results/fb78fc36-11da-4325-aa07-124d3d34c395/
Malware family:
WinDivert
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3c2f9ac0686/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b3c2f9ac068664bb861d7f8a59db533810032bc26d75fad48dbd0e2ba26413b2

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:CHM_File_Executes_JS_Via_PowerShell
Create hunting rule
Author:daniyyell
Description:Detects a Microsoft Compiled HTML Help (CHM) file that executes embedded JavaScript to launch a messagebox via PowerShell
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/80852/

Comments