MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0. 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: 20


Intelligence 20 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
SHA3-384 hash: b6ae5736956e60fe00302b0fcabe4eedf8e0e33d67b6dc92e4db11bc72b2f4924c2d0a7bf0584e5b7e421f1bdae37dec
SHA1 hash: 7d99521d67079a7131eb2a0e429377ce7ea213e0
MD5 hash: a02758d6a0e1ec5d1977e4c64ff4e163
humanhash: charlie-asparagus-green-sink
File name:Chrome Fixed (1).exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'334'144 bytes
First seen:2026-05-11 17:36:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'011 x AgentTesla, 19'916 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 49152:IvNFM2eBaGlMJPFlUERb6HXqwx3Z6vbRE8oGds8THHB72eh2NT:IvrM2eBaGlMJPFlUERGHXqwx3Z63
Threatray 2'239 similar samples on MalwareBazaar
TLSH T1E3F55C1437F84F27E1AFE277A5B0146267F0FC1AB363EB4B1191A7791C63B5188026A7
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
dhash icon 71f4a2cccc8ac461 (2 x BlankGrabber, 2 x AsyncRAT, 2 x QuasarRAT)
Reporter Anonymous
Tags:c2 DCRat exe QuasarRAT RAT windows


Avatar
Anonymous
Confirmed malware sample collected from phishing/social media abuse campaign.

Intelligence

File Origin
# of uploads :
1
# of downloads :
156
Origin country :
VN VN
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/ed76edb4-3832-49f5-acc5-5f7a9ae61926/
Malware family:
quasar
Create hunting rule
ID:
1
File name:
_9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0.exe
Verdict:
Malicious activity
Analysis date:
2026-05-11 17:38:06 UTC
Tags:
auto-reg quasar
Link:
https://app.any.run/tasks/5476f9a5-bd44-42f7-9b8d-69eeb169db6f

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/65635/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Win.Packed.Downeks-6898097-0
Create hunting rule

YARA.DITEKSHEN_MALWARE_Win_Quasarstealer.UNOFFICIAL
Create hunting rule

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=6a0213bb832827cdb620d569
Tags:
infosteal autorun quasar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated quasar quasarrat reconnaissance runonce schtasks stealer
Link:
https://www.filescan.io/uploads/6a0213d4792fe2d217af63f7/reports/8ccd7bec-466f-43c9-a54a-5769b8b47d42/overview
Verdict:
Malicious
Labled as:
Malware.Generic
Link:
https://www.hybrid-analysis.com/sample/9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-11T14:44:00Z UTC
Last seen:
2026-05-12T01:45:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.Quasar.gen HEUR:Trojan-Spy.MSIL.Agent.sb PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.a Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agent.sb
Link:
https://opentip.kaspersky.com/9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/69559fcd-1816-4348-80d2-3bd301570b23
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/a02758d6a0e1ec5d1977e4c64ff4e163
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0/
Verdict:
Malicious
Threat:
Family.QUASARRAT
Link:
https://tip.neiki.dev/file/9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2026-05-11 17:37:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tkdu74ylcnv7o7q5bsvwoy6abmtan2sglmri4lkhapr3ze46ahia._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
5a0e7fd4d8cb6ad72c39b5c15803ed7ed4edb75aa91ee7ddd67c9b423792889f
QuasarRAT
716a0a7af8fbbb64bb59316b86ba3313ac7b4669d15845365985c2193f007eee
QuasarRAT
728874593a6620e8f50b9227d59f2cff5e6c56ee30ae4594b6ee9620d7f2bf22
QuasarRAT
7fe453ffb100dc37b7d7cbd3e1a8af5856d18510b56c2fd7e4453d09fe9d9051
QuasarRAT
852196166533de20f4297b99176d9856b491cf1273cd2ef58be3f6cb90ec425c
QuasarRAT
9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
QuasarRAT
error
QuasarRAT
+ 2'229 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 execution persistence spyware trojan
Link:
https://tria.ge/reports/260511-v7b6csbs4r/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Executes dropped EXE
Family: Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
www.vipbookssearch.radio.fm:80
www.vipbookssearch.radio.fm:443
vipbookssearch.radio.fm:443
vipbookssearch.radio.fm:80
vipbookssearch.radio.fm:8080
www.vipbookssearch.radio.fm:8080
Unpacked files
SH256 hash:
9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0
MD5 hash:
a02758d6a0e1ec5d1977e4c64ff4e163
SHA1 hash:
7d99521d67079a7131eb2a0e429377ce7ea213e0
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/2bfc7a84-2db0-4083-b13c-89cc46d3db42/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a874ff30b13/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/9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0

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_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Diff_QuasarRAT_01
Create hunting rule
Author:schmidtsz
Description:Identify QuasarRAT samples
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
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:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
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:Windows_Generic_Threat_803feff4
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.

File information

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

Web download

QuasarRAT

Executable exe 9a874ff30b136bf77e1d0cab6763c00b2606ea465b228e2d4703e3bc939e01d0

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65635/

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