MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7. 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: 13


Intelligence 13 IOCs YARA 40 File information Comments
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SHA256 hash: 1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7
SHA3-384 hash: 305e3c5df19f07a5934eb41edd0478a86f734a08de1e4ece7f6270f9d8cabc1369bd1ba79c16a894809d1cfc90339ca2
SHA1 hash: 28da3d835fd85a66c11f05fa3fd8a0d6ecc3e65d
MD5 hash: 47faf7750cf003e0f64ea3fea9c44b39
humanhash: aspen-arkansas-bulldog-lithium
File name:1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'580'416 bytes
First seen:2026-07-18 19:26:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'193 x AgentTesla, 20'344 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 49152:K8vRXihMNzYBq5Ry/z/4TWHjjScaGHHBT2ehYnTf:KU1yc5Ry/z1CR
TLSH T19BF57C1877FC5F2AE47F97B1E1B0101267F1F82EF363EB4A1181667A2962751884237B
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 whack_sh
Tags:exe QuasarRAT whack.sh

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
QuasarRAT
Details
Link:
https://research.acce.ciphertechsolutions.com/results/52d8781e-fd53-48e3-8914-4b5655ce5538/
Malware family:
phorpiex
Create hunting rule
ID:
1
File name:
Still cant find it.zip
Verdict:
Malicious activity
Analysis date:
2026-07-05 13:40:45 UTC
Tags:
auto metasploit framework processhacker tool kprocesshacker-sys vuln-driver inno installer delphi solaris loader telegram evasion github phorpiex botnet powershell maskgram stealer phishing generic python screenconnect rdp rmm-tool glamour rat valley purelogs purehvnc ipfs massbass njrat bladabindi ip-check adware stealc remote rustystealer clickfix hanghost tinynuke acr payload vidar quasar possible-phishing datto valleyrat silverfox winos remus zigcryptostealer pastebin action1rmm santastealer dattormm smoke websocket pyinstaller pythonstealer remusstealer gotoresolve colombian-smugglers backdoor unixstealer susp-powershell api-base64
Link:
https://app.any.run/tasks/7ee3cdac-25be-4ceb-ba4b-132274e376ae

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/75132/
Detection(s):
ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
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Win.Packed.Downeks-6898097-0
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YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a44ae51949bf83c342b4492
Tags:
autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq evasive expand explorer fingerprint keylogger lolbin masslogger netsh obfuscated obfuscated privilege quasarrat quasarrat reconnaissance remoteaccesstool runonce schtasks stealer wmic wscript
Link:
https://www.filescan.io/uploads/6a5c787b7721538bf8ccced5/reports/4a7b41c3-e8f5-48b1-ae9a-c4def4d4c807/overview
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-01T03:18:00Z UTC
Last seen:
2026-07-19T22:12:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7
Verdict:
inconclusive
YARA:
17 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Link:
https://app.malva.re/file/47faf7750cf003e0f64ea3fea9c44b39
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2026-07-01 06:06:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 36 (72.22%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=cbtaamcsx5455cvu6b53p7z5zgakqyrlsf2664kknx252aovc63q._file
Unpacked files
SH256 hash:
1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7
MD5 hash:
47faf7750cf003e0f64ea3fea9c44b39
SHA1 hash:
28da3d835fd85a66c11f05fa3fd8a0d6ecc3e65d
Detections:
win_masslogger_w0
Create hunting rule
DiscordRatWebcamGrabber
Create hunting rule
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/8699bc7f-200d-4207-b271-422cbf2207d6/
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:detect_Redline_Stealer_V2
Create hunting rule
Author:Varp0s
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
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:Lumma_Stealer_Detection
Create hunting rule
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_Infostealer_Wallets_8e469ea0
Create hunting rule
Author:Elastic Security
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: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
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: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
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
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)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:TH_APT_EquationGroup_2026_CYFARE
Create hunting rule
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:win_masslogger_w0
Create hunting rule
Author:govcert_ch
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

File information

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

Web download

QuasarRAT

Executable exe 1066003052bf79de8ab4f07bb7ff3dc980a8622b9175ef714a6df5dd01d517b7

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3880815/
Cape
Cape
https://www.capesandbox.com/analysis/75132/

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