MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe. 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: 17


Intelligence 17 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe
SHA3-384 hash: 98204cc2610f00565423fb366bc13df6247194a9826ef4053b7fb1374c6403994602cbc621353de77fa025ed2eeba339
SHA1 hash: 36419af928e132f29e932b2a22c3a145558d8bfe
MD5 hash: d74c9c50660a7d928ae5dcf667661f31
humanhash: cat-delta-iowa-leopard
File name:POWERPOINT.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:5'625'856 bytes
First seen:2026-02-18 09:29:59 UTC
Last seen:2026-03-06 15:01:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'852 x AgentTesla, 19'779 x Formbook, 12'303 x SnakeKeylogger)
ssdeep 49152:amLzswao2kFAn/2Gnw6nxwXqiMOrENcitrFkPvhGR7thSoWYfy8jg78uoX5aQq3S:57Q/2a9Or4cW+PvkNDHmHQq32yeDGWJ
Threatray 817 similar samples on MalwareBazaar
TLSH T19E46232B3DC39914CB1D47B580798DC277F0A68B3B01C72E7ADE17BC5E0154AAB23A56
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
112
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
DeepSea
Details
DeepSea
DeepSea decrypted strings
Link:
https://research.acce.ciphertechsolutions.com/results/c51c10c5-b5ec-42fc-93b9-39b8dae60b90/
Malware family:
quasar
Create hunting rule
ID:
1
File name:
POWERPOINT.exe
Verdict:
Malicious activity
Analysis date:
2026-02-18 10:26:16 UTC
Tags:
netreactor auto-reg rat quasar remote evasion
Link:
https://app.any.run/tasks/c7665bcd-2480-4bfe-87e7-6e066bd7847f

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/53692/
Detection(s):
SecuriteInfo.com.Trojan.Siggen32.25825.32749.21393.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=699586ca2d369b1ab284fcb0
Tags:
virus remo
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8
Link:
https://www.hybrid-analysis.com/sample/16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe
Verdict:
Malicious
File Type:
exe x32
Link:
https://opentip.kaspersky.com/16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8144e7ee-1fc4-43f2-9c59-c939d8b9c7ed
Result
Threat name:
DarkTortilla, PureLog Stealer, Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1871053
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected DarkTortilla Crypter
Yara detected PureLog Stealer
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1871053 Sample: POWERPOINT.exe Startdate: 18/02/2026 Architecture: WINDOWS Score: 100 42 twart.myfirewall.org 2->42 44 ipwho.is 2->44 52 Suricata IDS alerts for network traffic 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 10 other signatures 2->58 11 POWERPOINT.exe 5 2->11         started        15 Notepadbook.exe 2 2->15         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\POWERPOINT.exe.log, ASCII 11->40 dropped 66 Uses schtasks.exe or at.exe to add and modify task schedules 11->66 68 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->68 70 Injects a PE file into a foreign processes 11->70 17 POWERPOINT.exe 4 11->17         started        21 Notepadbook.exe 15->21         started        signatures6 process7 file8 38 C:\Users\user\AppData\...38otepadbook.exe, PE32 17->38 dropped 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->50 23 Notepadbook.exe 3 17->23         started        26 schtasks.exe 1 17->26         started        signatures9 process10 signatures11 60 Antivirus detection for dropped file 23->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->62 64 Injects a PE file into a foreign processes 23->64 28 Notepadbook.exe 15 2 23->28         started        32 conhost.exe 26->32         started        process12 dnsIp13 46 twart.myfirewall.org 91.92.241.145, 49704, 9792 THEZONEBG Bulgaria 28->46 48 ipwho.is 172.66.175.107, 443, 49706 CLOUDFLARENETUS United States 28->48 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->72 74 Installs a global keyboard hook 28->74 34 schtasks.exe 28->34         started        signatures14 process15 process16 36 conhost.exe 34->36         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe/
Threat name:
Win32.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2026-02-18 01:08:49 UTC
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=c2zzjv3m6vtdve3qm4w6fdxwafrdhq6uifkjfjzrqnhpahytq37a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
2c03efcf8673a901a4d51f24e3d4f4ed698f9b4782b53a8c254dd1a1a00a2604
QuasarRAT
40c6d95876d7a085020471145c41cd5a16090625919d5de147334a52d24a6f1b
QuasarRAT
53aefcb31cf737d2af9779bea562b358bb08c876bb68fbe5614c1084decb6728
QuasarRAT
6960b195f9cca224e216556a8df9b359fcc13219a311b6edcb2a85164c32a692
QuasarRAT
error
QuasarRAT
f5238cef954ae8da144e56269c54e11f5861d7e11c7334a632b46e41c9ee65a4
QuasarRAT
+ 807 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:spain2 discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/260218-lgs7hse16a/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
.NET Reactor proctector
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
twart.myfirewall.org:9792
rency.ydns.eu:5287
wqo9.firewall-gateway.de:8841
code1.ydns.eu:5287
wqo9.firewall-gateway.de:9792
Unpacked files
SH256 hash:
16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe
MD5 hash:
d74c9c50660a7d928ae5dcf667661f31
SHA1 hash:
36419af928e132f29e932b2a22c3a145558d8bfe
Link:
https://www.unpac.me/results/e51d6e8a-5ecc-4ed3-a156-09fb39463e89/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/16b394d76cf5/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/16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe

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:NET
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

File information

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

Web download

QuasarRAT

Executable exe 16b394d76cf5663a9370672de28ef6016233c3d4415492a731834ef01f1386fe

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/53692/
  
URLhaus
https://urlhaus.abuse.ch/url/3679148/
  
Delivery method
Distributed via web download

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