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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833
SHA3-384 hash: ebc7ad958fae29fd5a3403d139f2aa7ebed3eccf0c5984faf45ec973b16c16715d830882c756b2734f34a0d52ae238fd
SHA1 hash: 34ea9aa05504b80087ceab51b828ff67dbe42360
MD5 hash: 3306a20999b9b0aadbfca12ef883f610
humanhash: arizona-butter-neptune-nebraska
File name:LOL.ps1
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'008'019 bytes
First seen:2026-04-24 23:04:33 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:cW0yjDtJEpQ6tu2CPcDEPRT5QGv5KK25i/ywDTUHrk:R3bEpQLQ8wY5CB7k
Threatray 271 similar samples on MalwareBazaar
TLSH T12725233A4E77DDFB337C94ED523B2E056E686887815AF192328FD2E79A9D6044C07834
Magika powershell
Reporter BastianHein
Tags:ps1 QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
122
Origin country :
CL CL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Generic.ShellCode.Donut.Marte.4.07197BB5.9158.25461.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69ebf7514aed15d079300afd
Tags:
emotet shell sage remo
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
base64 donut obfuscated
Link:
https://www.filescan.io/uploads/69ebf7668a82359247b17f27/reports/1448dad6-3788-47f8-b19c-5aeaeff5d239/overview
Verdict:
Malicious
Labled as:
ShellCode.Donut.Marte.4.Generic
Link:
https://www.hybrid-analysis.com/sample/efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833
Verdict:
Malicious
File Type:
ps1
First seen:
2026-04-24T20:12:00Z UTC
Last seen:
2026-04-26T01:38:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Shellcode.sb Trojan.MSIL.Agent.sb Trojan-PSW.MSIL.Agent.sb HEUR:Trojan.Win64.Donut.a HEUR:Trojan.Multi.Donut.b Backdoor.MSIL.PulsarRAT.sb Backdoor.MSIL.Agent.sb
Link:
https://opentip.kaspersky.com/efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833
Verdict:
Malware
YARA:
2 match(es)
Tags:
Base64 Block Contains Base64 Block DeObfuscated PowerShell
Link:
https://app.malva.re/file/3306a20999b9b0aadbfca12ef883f610
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833
Threat name:
Win32.Exploit.DonutMarte
Create hunting rule
Status:
Malicious
First seen:
2026-04-24 23:05:54 UTC
File Type:
Text (PowerShell)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57uc4q3bgzxfx2sbgu5ltm6jpljjwk4hslhs6d5pt5cx67ak3azq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
donutloader
Create hunting rule
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QuasarRAT
0a2c887c8a3b30519f8c1750b8eba2df2ede2710b1fbb71f26c2acff3ececff8
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3a348a2c63451e5300bf79444ba5ea77f597ae109d3132389ac1e8edd04327ad
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40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5
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7347f0b12918ef4e7b6cefdd29f8c6a39fcc8a4b06385f104460583808c2492a
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84abe3e14bda7f2c87e93f82a40eb25d6ea38699c7e3752b1ac87bfd8602594c
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d856336054b054ee4b6aed66226e90dfca9a236e93012360b34001e75cf58693
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error
QuasarRAT
f7768221e22a36ee37655231cb332642f346610c8b2e05f1368e7b81409730fd
QuasarRAT
fff8ec58e389bfcec03ca66fe8bee39b849a948174472de91eb160ae35b78365
QuasarRAT
+ 261 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:donutloader family:quasar execution loader spyware trojan
Link:
https://tria.ge/reports/260424-2299jae16j/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Detects DonutLoader
Family: DonutLoader
Family: Quasar RAT
Quasar payload
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/efe82e4361366e5bea41353ab9b3c97ad29b2b8792cf2f0faf9f457f7c0ad833

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: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: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.

Comments