MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279. 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: 21


Intelligence 21 IOCs YARA 35 File information Comments
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SHA256 hash: 308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279
SHA3-384 hash: 260d0dfa812f0b8362280351e1609608de9d389ad27c7db73078018e0e409fd797a6fd0ba0c8251b7b0bc5c3e35f98e9
SHA1 hash: de14cd506a04614ecb6415570241418bf2e5f90b
MD5 hash: 13de55a938154017fe1125cd022c87e0
humanhash: oklahoma-johnny-fix-bulldog
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:356'352 bytes
First seen:2026-07-12 07:19:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'098 x AgentTesla, 20'116 x Formbook, 12'356 x SnakeKeylogger)
ssdeep 6144:eN6bPXhLApfp1SEpmWtbHRdoWux91f6kveycii:+mhApz55xkfcii
Threatray 1 similar samples on MalwareBazaar
TLSH T109748D1373A8E53BD1BE173AF43606154BB1D547BA16F38F9A5896B82C133868D903B3
TrID 60.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
5.4% (.EXE) Win64 Executable (generic) (6522/11/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter BlinkzSec
Tags:QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
QuasarRAT
Details
Link:
https://research.acce.ciphertechsolutions.com/results/959f94c8-0013-45a9-833f-bcf2ac6522a7/
Malware family:
phorpiex
Create hunting rule
ID:
1
File name:
other.zip
Verdict:
Malicious activity
Analysis date:
2026-07-11 20:57:03 UTC
Tags:
auto metasploit framework arch-exec phorpiex botnet python solaris loader evasion ipfs github telegram phishing massbass nemucod powershell possible-phishing maskgram stealer xworm rat glamour stealc asyncrat generic quasar rustystealer remusstealer maskgramstealer valley ip-check tinynuke action1rmm processkiller payload vidar purelogs purerat datto rmm-tool purehvnc havoc tool valleyrat silverfox winos adware cobaltstrike pastebin guloader websocket pyinstaller remote clickfix qrcode pushware pythonstealer koiloader susp-lnk smoke lxbaserat
Link:
https://app.any.run/tasks/b29722c0-a004-4394-abe8-88ec8c8d8bd0

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/74292/
Detection(s):
Win.Packed.Generic-9829635-0
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Win.Packed.Generic-9830106-0
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Win.Packed.QuasarRAT-10012744-0
Create hunting rule

Win.Trojan.Generic-6295765-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

YARA.CAPE_Quasarrat.UNOFFICIAL
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YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a52a43e13f68731ed6bb1c8
Tags:
autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Launching a process
Creating a window
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 byteguard emotet fingerprint infostealer keylogger lockbit lolbin obfuscated obfuscated packed quasarrat rat reconnaissance runonce schtasks stealer stealer vbnet
Link:
https://www.filescan.io/uploads/6a5340784b2892b5efa496e8/reports/ccabb646-8be0-40c4-90ff-eecafc797304/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-26T11:53:00Z UTC
Last seen:
2026-07-12T12:58:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Agent.foww Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Virinom.sb HEUR:Trojan.MSIL.Quasar.gen HEUR:Trojan-Spy.MSIL.Downeks.gen Trojan.MSIL.Quasar.b Trojan.MSIL.Quasar.sb Trojan.MSIL.Quasar.a Trojan-Spy.MSIL.Downeks.sb HEUR:Trojan.Win32.Generic Trojan.Win32.Agent.sb Trojan.Win32.Quasar.sb Trojan-Spy.Quasar.HTTP.ServerRequest Backdoor.Quasar.TCP.C&C HEUR:Trojan-Spy.MSIL.Agent.sb Backdoor.NanoBot.TCP.C&C
Link:
https://opentip.kaspersky.com/308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/569464a7-e77f-4352-907b-d09d689262c4
Verdict:
QuasarRat
YARA:
16 match(es)
Tags:
.Net Executable Malicious Managed .NET PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.61 Win 32 Exe x86
Malware Config
C2 Extraction:
PORT: 1604
CNC: 91.208.197.30
Link:
https://app.malva.re/file/13de55a938154017fe1125cd022c87e0
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-11-27 19:34:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcge36qz2hcki7e7xzdlwf2ls7tn5mms46g6fwycu7qjongwkj4q._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/260712-h6d74sdz2q/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Family: Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
91.208.197.30:1604
Unpacked files
SH256 hash:
308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279
MD5 hash:
13de55a938154017fe1125cd022c87e0
SHA1 hash:
de14cd506a04614ecb6415570241418bf2e5f90b
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/2dc8f7ca-1502-4926-b143-05cc0a744f52/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/308c4dfa19d1/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279

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:CN_disclosed_20180208_KeyLogger_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:CN_disclosed_20180208_KeyLogger_1_RID3227
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:implant_win_quasarrat
Create hunting rule
Author:Sekoia.io
Description:Detect QuasarRAT (reted from samples 2023-03)
Reference:https://blog.alyac.co.kr/5103
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:malware_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (https://www.lukeacha.com)
Description:Generic detection for multiple RAT families, PUPs, packers and suspicious executables. NOTE: This rule may produce false positives. Updated May 2026 to reduce False Positives.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:QuasarRAT
Create hunting rule
Author:ditekshen
Description:QuasarRAT payload
Rule name:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1_RID2B54
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2
Create hunting rule
Description:Detects Quasar RAT
Rule name:Quasar_RAT_2
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_2_RID2B55
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
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Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Vermin_Keylogger_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Vermin Keylogger
Reference:https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/
Rule name:Windows_Trojan_Quasarrat_e52df647
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.
Rule name:xRAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W
Rule name:xRAT_1_RID2900
Create hunting rule
Author:Florian Roth
Description:Detects Patchwork malware
Reference:https://goo.gl/Pg3P4W

File information

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

Web download

QuasarRAT

Executable exe 308c4dfa19d1c4a47c9fbe46bb174b97e6deb192e78de2db02a7e09734d65279

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/74292/
  
URLhaus
https://urlhaus.abuse.ch/url/3885188/
  
Delivery method
Distributed via web download

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