MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421
SHA3-384 hash: 05c45206f0451c4dbc8e13e4bc97d8e3e5b7b0a0d6e4d64f80a9cc6606a497266523a450cce1e52376ba7083d0a373d7
SHA1 hash: 6dcbb9974c95dde50aa82469db249c9fb4ec9f35
MD5 hash: ecf8ce650cbe9fbfc6696f568cc817b8
humanhash: five-magnesium-king-louisiana
File name:file
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:92'160 bytes
First seen:2026-02-05 00:45:35 UTC
Last seen:2026-02-05 03:21:44 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'757 x AgentTesla, 19'664 x Formbook, 12'254 x SnakeKeylogger)
ssdeep 1536:n3bh64ywT4nCh4q/AL0vbrc09BerseB+YzB1h91SjDviYIv0Qf266/ql2:n3bc4BT4y4q/A89BeF+YzB1hXeiYY0Ik
Threatray 958 similar samples on MalwareBazaar
TLSH T1D493C07EC5D0ECD0CB8B26B49DB6FBD600AFCE937D161B0DB188328526707486F69914
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 QuasarRAT


Avatar
Bitsight
url: http://130.12.180.43/files/8468434805/fKDnWbX.exe

Intelligence

File Origin
# of uploads :
14
# of downloads :
152
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2026-02-05 00:47:11 UTC
Tags:
ta558 apt payload stegocampaign stego loader reverseloader susp-powershell evasion rat pulsar stealer api-base64 crypto-regex
Link:
https://app.any.run/tasks/4a52f6f9-9cb3-42ad-84c4-d091eb3d26df

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/51751/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.46893541.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6983e8598ce611733c0b1535
Tags:
ransomware micro shell
Verdict:
Malicious
Labled as:
Marsilia.Generic
Link:
https://www.hybrid-analysis.com/sample/5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421
Result
Gathering data
Verdict:
Unknown
File Type:
Link:
https://opentip.kaspersky.com/5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dd42f736-ac39-4524-9fcf-b49f6ae966bb
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.15 Win 32 Exe x86
Link:
https://app.malva.re/file/ecf8ce650cbe9fbfc6696f568cc817b8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421/
Verdict:
Malicious
Threat:
Family.REVERSELOADER
Link:
https://tip.neiki.dev/file/5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421
Threat name:
Win32.Trojan.Marsilia
Create hunting rule
Status:
Malicious
First seen:
2026-02-05 00:46:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lu7w4zfvobi3xdr4njkawrv27omp7etug2fwkkzub5ihdrte4qqq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
12ce3769229d84d3e5656fa6d96fbfaefe3a844c5124378c30de5139031dc6b2
QuasarRAT
15119331f58db1c391df927fa73723c1d7ba66d46fe2aecf1526a117c5b59d05
QuasarRAT
2da636aa556256d9634ac820779f84cdac7f767f2a92be6e5424862d8fcffd85
QuasarRAT
4efe314b3ef2de0406754664e6fe12a3bd9c25965fcff10a76ca39dc4050212e
QuasarRAT
6a95f54230338584556d3dc370e1da5d4e326aab83c20413d446ab71a8f43d37
QuasarRAT
7830e7c10b53bf790efd4c6b5d52e0c31cb83d86378c2aeef96d7dc8d726f245
QuasarRAT
d3ef0e594e1984dfb2a32349c2ca01cecc9de210b3cc4358516a5ee5046b42f7
QuasarRAT
error
QuasarRAT
+ 948 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar defense_evasion discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/260205-a4q5wsct6h/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates processes with tasklist
Suspicious use of SetThreadContext
Adds Run key to start application
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Quasar family
Quasar payload
Quasar RAT
Unpacked files
SH256 hash:
5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421
MD5 hash:
ecf8ce650cbe9fbfc6696f568cc817b8
SHA1 hash:
6dcbb9974c95dde50aa82469db249c9fb4ec9f35
Link:
https://www.unpac.me/results/1ef2232e-918d-4094-a62a-6c8c7cca4dd4/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5d3f6e64b570/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/5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
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.

Web download

QuasarRAT

Executable exe 5d3f6e64b57051bb8e3c6a540b46bafb98ff9274368b652b340f5071c664e421

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3772272/
Cape
Cape
https://www.capesandbox.com/analysis/51751/

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