MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea. 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: 38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea
SHA3-384 hash: c442ee0c11fc46f2112755e4dd53cf470742f24e1c81dd3dd411b501cdab8e66d578e57fd4eeb230404ba9aa15caaa45
SHA1 hash: 2335b8887120c51331f7d8947305d70ee1fb2157
MD5 hash: 21e452acb419fcf4fb59c1d9ca0159f0
humanhash: don-connecticut-pasta-white
File name:startup_196.bat
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:4'390'963 bytes
First seen:2026-02-19 10:28:55 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 49152:KeyCel7yc5izojnp9dFZBEv2IBJD2dmzdSYvB535HZd00xTCpe:V
Threatray 236 similar samples on MalwareBazaar
TLSH T1941623268EAD9D9F4A74129C185D0E0F27A08E405453C9DBB3D27CBFAB8FE05162B17D
Magika txt
Reporter smica83
Tags:bat PulsarRAT QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
startup_196.bat
Verdict:
Malicious activity
Analysis date:
2026-02-19 10:31:21 UTC
Tags:
pastebin susp-powershell pulsar rat crypto-regex
Link:
https://app.any.run/tasks/155894fc-98c8-489f-b74c-2ba8d863f6aa

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/53796/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6996e5fec950ab5d9aaf4f20
Tags:
metasploit shell sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 base64 conhost evasive lolbin obfuscated packed powershell reconnaissance schtasks zero-day
Link:
https://www.filescan.io/uploads/6996e5fa97feb4afd64c2423/reports/e759126d-005b-49d7-8aed-08a19dd4bc59/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea
Verdict:
Clean
File Type:
text
Link:
https://opentip.kaspersky.com/38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea/results?tab=lookup
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1871813
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Found large BAT file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Sets debug register (to hijack the execution of another thread)
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Malicious Base64 Encoded PowerShell Keywords in Command Lines
Sigma detected: Potential PowerShell Obfuscation Via Reversed Commands
Sigma detected: Potentially Suspicious PowerShell Child Processes
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Suspicious PowerShell Parameter Substring
Suspicious powershell command line found
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Powershell decode and execute
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1871813 Sample: startup_196.bat Startdate: 19/02/2026 Architecture: WINDOWS Score: 100 49 pastebin.com 2->49 51 shed.dual-low.part-0012.t-0009.t-msedge.net 2->51 53 4 other IPs or domains 2->53 57 Malicious sample detected (through community Yara rule) 2->57 59 Yara detected Powershell decode and execute 2->59 61 Yara detected Quasar RAT 2->61 65 10 other signatures 2->65 10 cmd.exe 1 2->10         started        signatures3 63 Connects to a pastebin service (likely for C&C) 49->63 process4 process5 12 conhost.exe 10->12         started        15 conhost.exe 10->15         started        signatures6 73 Suspicious powershell command line found 12->73 17 powershell.exe 14 819 12->17         started        75 Bypasses PowerShell execution policy 15->75 process7 dnsIp8 45 fz08eod16.localto.net 158.178.201.63, 2269, 49692, 49696 EQUINIX-CONNECT-EMEAGB United Kingdom 17->45 47 pastebin.com 104.20.29.150, 443, 49691 CLOUDFLARENETUS United States 17->47 43 C:\Windows\startup_820.bat, ASCII 17->43 dropped 67 Uses schtasks.exe or at.exe to add and modify task schedules 17->67 69 Sets debug register (to hijack the execution of another thread) 17->69 71 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->71 22 SIHClient.exe 8 17->22         started        25 schtasks.exe 1 17->25         started        27 schtasks.exe 1 17->27         started        29 37 other processes 17->29 file9 signatures10 process11 dnsIp12 55 part-0012.t-0009.t-msedge.net 13.107.246.40, 443, 49695 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 22->55 31 conhost.exe 25->31         started        33 conhost.exe 27->33         started        35 conhost.exe 29->35         started        37 conhost.exe 29->37         started        39 conhost.exe 29->39         started        41 34 other processes 29->41 process13
Score:
98%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea/
Verdict:
Malicious
Threat:
Family.PULSAR
Link:
https://tip.neiki.dev/file/38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-02-19 02:16:14 UTC
AV detection:
3 of 38 (7.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdgmvmim4iielf4ocpdvdikol6y22izoqfavikfrvdnuicfhg7va._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
3c122a88359e5c0f3dd2a6e41d6472f54d1620a5c5364da994e6ca8c0fa9432b
QuasarRAT
696352b6b7c282736cb240651682b07a5feaa68ac065e9128f946779db00b02b
QuasarRAT
6eeb5788ce02a71cee8cad314c4f1c467ac0dc77b23cbbef4f3a38bdfbd75f46
QuasarRAT
a7a942ea6d9046cf2c82bd1745912395eebb3e2534a7dbffe05436125e6d937d
QuasarRAT
b0455309a1405bee110cf310c555a615dea5644c96812770c80afde298e9d066
QuasarRAT
error
QuasarRAT
+ 226 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar execution spyware trojan
Link:
https://tria.ge/reports/260219-mjbwpacv2f/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Contacts third-party web service commonly abused for C2
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Quasar RAT
Quasar family
Quasar payload
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/38cccab10ce21045978e13c751a14e5fb1ad232e81415428b1a8db4408a737ea

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:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/53796/

Comments