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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61. 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: 17


Intelligence 17 IOCs YARA 72 File information Comments
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SHA256 hash: cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61
SHA3-384 hash: baeadd9cd07abacf5a3885897cdba7330868b8c508206cbdf603579b4a3ec2c8a1b1c5481e452a4d077d621a4e908a4b
SHA1 hash: 102490ed499df549b5fc3b2baa9e1f9e035a3522
MD5 hash: 1a2677ba4d34323c9fbe97732214f9c1
humanhash: pluto-sink-river-johnny
File name:cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:20'894'208 bytes
First seen:2026-10-13 15:00:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'350 x AgentTesla, 20'845 x Formbook, 12'417 x SnakeKeylogger)
ssdeep 393216:nH/hex2PkZvdm51PQ8hex2PkZvdm51PQeaUGcG:nH/hOEPhOElaUGcG
TLSH T111276B1D6F9401DBF46A853B8A626203F6B2B819EF35D2CB1E7362791E637C04935732
TrID 75.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.7% (.EXE) Win64 Executable (generic) (6522/11/2)
5.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Tuxxin
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
241
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
PostExploitTool QuasarRAT
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9c4d6e2e-471c-4a33-8412-32827f9a56ae/
Malware family:
quasar
Create hunting rule
ID:
1
File name:
https://peterson-legislation-civilization-assistance.trycloudflare.com/rat.exe
Verdict:
Malicious activity
Analysis date:
2026-10-12 11:17:22 UTC
Tags:
rat purehvnc quasar remote stealer xmrig winring0-sys vuln-driver
Link:
https://app.any.run/tasks/7371f031-469d-45be-a5f1-31c5fb8bef82

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/91704/
Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad125776f551121ba163dd1
Tags:
infosteal quasar emotet xmrig
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-13T11:32:00Z UTC
Last seen:
2026-10-15T13:01:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61/results?tab=lookup
Result
Threat name:
Clipboard Hijacker, KeyLogger, MicroClip
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Detection:
malicious
Classification:
rans.troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1986563
Signature
Antivirus / Scanner detection for submitted sample
Deletes shadow drive data (may be related to ransomware)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected Clipboard Hijacker
Yara detected Keylogger Generic
Yara detected MicroClip
Yara detected Quasar RAT
Yara detected Xmrig cryptocurrency miner
Yara detected Xorium Stealer
Behaviour
Behavior Graph:
Download SVG
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61
Verdict:
inconclusive
YARA:
18 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.23 SOS: 0.34 Win 32 Exe x86
Link:
https://app.malva.re/file/1a2677ba4d34323c9fbe97732214f9c1
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2026-10-13 14:37:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
97
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zxltwcog5o3afn4tt62vxs3gh74t7ocez55sshs62y27t7dj3nqq._file
Verdict:
malicious
Label(s):
QuasarRAT
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XoriumStealer
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xmrig
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Link:
https://reports.threatray.com/bfbb4762-dbf7-4545-8df0-8fb59f8ac762
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:quasar family:xmrig botnet:office04 discovery miner spyware trojan
Link:
https://tria.ge/reports/261013-sd2stayxds/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Enumerates physical storage devices
Reads the TCP/IP host and domain name from the registry
XMRig Miner payload
Family: Quasar RAT
Family: xmrig
Quasar payload
Malware Config
C2 Extraction:
cyrus.anondns.net:6789
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cdd73b09c6eb/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/cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61

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:BLOWFISH_Constants
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Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
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Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
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Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:FreddyBearDropper
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Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:hunting_generic_win_rat
Create hunting rule
Author:Ajin Deepak, AD2001
Description:Hunting RATS based on common patterns
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
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Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
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Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
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Author:ditekSHen
Description:Detects executables containing artifacts associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
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Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
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Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
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Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
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Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
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Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MacOS_Cryptominer_Xmrig_241780a1
Create hunting rule
Author:Elastic Security
Rule name:Macos_Infostealer_Wallets_8e469ea0
Create hunting rule
Author:Elastic Security
Rule name:MALWARE_Win_CoinMiner02
Create hunting rule
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MALWARE_Win_GetCrypt
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Author:ditekSHen
Description:GetCrypt ransomware payload
Rule name:MALWARE_Win_QuasarStealer
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Author:ditekshen
Description:Detects Quasar infostealer
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
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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:Multi_Cryptominer_Xmrig_f9516741
Create hunting rule
Author:Elastic Security
Rule name:MULTI_Sample_CoinMiner_1ad8694c_Extrait
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Author:Marjoriefort
Description:Detects CoinMiner (inconnu, etat extrait)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RC6_Constants
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Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
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Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Script_PowerShell_Hidden_Launcher
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Author:Marjoriefort
Description:Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:Veille fraicheur 2026-09-14 / cluster misses web
Rule name:Sus_All_Windows_PE_Malware
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Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
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:telebot_framework
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Author:vietdx.mb
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_APT_EquationGroup_2026_CYFARE
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Author:CYFARE
Description:Equation Group (G0020) APT malware detection - covers EquationDrug, GrayFish, DoubleFantasy, TripleFantasy, Fanny, GROK, nls_933w HDD firmware module, and Shadow Brokers tooling
Reference:https://cyfare.net/
Rule name:TH_Win_ETW_Bypass_2025_CYFARE
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Author:CYFARE
Description:Windows ETW Bypass Detection Rule - 2025
Reference:https://cyfare.net/
Rule name:WHIRLPOOL_Constants
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Author:phoul (@phoul)
Description:Look for WhirlPool constants
Rule name:Windows_Cryptominer_Generic_f53cfb9b
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Author:Elastic Security
Rule name:Win_FakeInstaller_PythonShellcodeLoader_Crepectl_2026
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Author:SixHands
Description:Detects the analyzed fake installer sample using .key config, XOR key, and Python/fiber shellcode loader traits
Rule name:WIN_Malware_Fantom_ForgeAuto_98e6f354_Extrait
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Author:Marjoriefort
Description:Detects Fantom (pe, etat extrait)
Rule name:WIN_Malware_PythonStealer_ForgeAuto_b24cb5bd
Create hunting rule
Author:Marjoriefort
Description:Detects PythonStealer (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_180e12ce_Extrait
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Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_2ffc3572
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_30f84f37
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_4286e0e1_Extrait
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Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_598a7881_Extrait
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Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_6717780a_Extrait
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Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_Unknown_ForgeAuto_74566f98
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_79234c04
Create hunting rule
Author:Marjoriefort
Description:Detects Unknown (pe, etat binaire)
Rule name:WIN_Malware_Unknown_ForgeAuto_bbda4050_Extrait
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Author:Marjoriefort
Description:Detects Unknown (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)
Rule name:win_masslogger_w0
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Author:govcert_ch
Rule name:WIN_Sample_Unique_69354b41
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Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe
Rule name:WIN_SHADOW_UNPACKED
Create hunting rule
Rule name:xmrig_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

QuasarRAT

Executable exe cdd73b09c6ebb602b7939fb55bcb663ff93fb844cf7b291e5ed635f9fc69db61

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3949581/
Cape
Cape
https://www.capesandbox.com/analysis/91704/

Comments