MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5
SHA3-384 hash: 0346168bfeec20fb4b87eb1402b35997f6eac8ea8666dc6fc22b2f63fe8a62469dad27cfe69bbb913fa973e27623db9e
SHA1 hash: 037cedbf9312dcbe69cd52f384e8829ce823de1c
MD5 hash: a46226d052a927f1b36bdebd6255dd2b
humanhash: michigan-finch-winner-uncle
File name:potato.ps1
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'062'087 bytes
First seen:2026-04-23 23:07:02 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:4wgBE2TK2KfBBqSDiGF5KBkBmHZGG67VRpuEXOaA:4u2KeXGrqMuoRDuX
Threatray 212 similar samples on MalwareBazaar
TLSH T1853523119DA92D459F3C825D30774FACBB81CF82D8D86EBF6AEC29D7111A6C4902B50F
Magika powershell
Reporter BastianHein
Tags:ps1 QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
CL CL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Script.SNH-gen.75774557.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69eaa64a4aed15d0792fba9c
Tags:
ransomware emotet shell sage
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
aes base64 crypto encrypted evasive obfuscated powershell
Link:
https://www.filescan.io/uploads/69eaa6338a82359247af60a8/reports/7af61d98-459e-486d-b6c3-a982efd30cb7/overview
Verdict:
Malicious
Labled as:
PowerShell/TrojanDropper.Agent
Link:
https://www.hybrid-analysis.com/sample/40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5
Verdict:
Malicious
File Type:
unix shell
First seen:
2026-04-02T23:53:00Z UTC
Last seen:
2026-04-23T20:21:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.HTA.a PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5/results?tab=lookup
Score:
91%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5
Threat name:
Script.Dropper.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2026-04-23 23:07:40 UTC
File Type:
Text (PowerShell)
AV detection:
4 of 24 (16.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=idhy2xflwzcy7jezosounczcpyacyfc2u6wlwjfog4n6smuo47kq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
donutloader
Create hunting rule
Similar samples:
09da583b39c72696ae98d24d518c838e4a59ba564074107df6528d9234c76253
QuasarRAT
0a2c887c8a3b30519f8c1750b8eba2df2ede2710b1fbb71f26c2acff3ececff8
QuasarRAT
3a348a2c63451e5300bf79444ba5ea77f597ae109d3132389ac1e8edd04327ad
QuasarRAT
7347f0b12918ef4e7b6cefdd29f8c6a39fcc8a4b06385f104460583808c2492a
QuasarRAT
84abe3e14bda7f2c87e93f82a40eb25d6ea38699c7e3752b1ac87bfd8602594c
QuasarRAT
b56d67f497038cfca55a4e7ad62a4f43a2d1267c15cd22094dca9735163bf65d
QuasarRAT
d797019b2ff011ae71e9e700e8f9a16cb463af646aae4815654ae79e09f59ceb
QuasarRAT
d856336054b054ee4b6aed66226e90dfca9a236e93012360b34001e75cf58693
QuasarRAT
error
QuasarRAT
f7768221e22a36ee37655231cb332642f346610c8b2e05f1368e7b81409730fd
QuasarRAT
fff8ec58e389bfcec03ca66fe8bee39b849a948174472de91eb160ae35b78365
QuasarRAT
+ 202 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/260423-238gbshx6p/
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/40cf8d5cabb6458fa499749d468b227e002c145aa7acbb24ae371be9328ee7d5

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:detect_powershell
Create hunting rule
Author:daniyyell
Description:Detects suspicious PowerShell activity related to malware execution
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