MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226. 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: 16


Intelligence 16 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226
SHA3-384 hash: f8126559614c52f4b23ea84da5b0d47fe5b9ecc0e9dbaca2c88affce90545244f53121d98a80be9fb3d508ede1f34b17
SHA1 hash: da1ddc73d4055ce48d05731afd1855cea6f0aef6
MD5 hash: 3f833652056dab1438551908428f75df
humanhash: gee-seven-solar-salami
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:1'833'472 bytes
First seen:2025-11-23 00:11:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 24576:yXcrQpSKxJzck+7eWBRwRR16zA0KKm77yviUSQaZaOwI55l2S62r9cGW/yFoBkk3:yXcrQrTYj77wRGKKm77LrwCB6hqanyw
Threatray 376 similar samples on MalwareBazaar
TLSH T111850150B7F98117F1BF2BB8A4B605050B73BA43DA3AC79F294850AC2EA7340DE51367
TrID 62.2% (.RLL) Microsoft Resource Library (x86) (177572/6/26)
25.6% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
3.6% (.EXE) Win64 Executable (generic) (10522/11/4)
2.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Hexastrike
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client.exe
Verdict:
Suspicious activity
Analysis date:
2025-11-23 09:44:17 UTC
Tags:
crypto-regex pulsar rat
Link:
https://app.any.run/tasks/5f56e15a-2a7d-4bc4-9818-8d4d651e534e

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/40017/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Bulz-9933026-0
Create hunting rule

Win.Malware.Generic-6623004-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69226443b6ee81118d2c7779
Tags:
vmdetect quasar emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm anti-vm base64 cmd explorer fingerprint hacktool lolbin obfuscated packed privilege reconnaissance rundll32 runonce update
Link:
https://www.filescan.io/uploads/69225fa8aed94585b5847021/reports/e7ed30eb-a479-4935-9b47-7f5e13389f6c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-15T21:11:00Z UTC
Last seen:
2025-11-16T09:00:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226/results?tab=lookup
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226
Verdict:
QuasarRat
YARA:
15 match(es)
Tags:
.Net Executable Fody/Costura Packer Html Malicious Managed .NET PDB Path PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.14 SOS: 0.15 SOS: 0.18 SOS: 0.20 SOS: 0.22 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.29 SOS: 0.32 SOS: 0.34 SOS: 0.35 SOS: 0.63 Win 32 Exe x86
Link:
https://app.malva.re/file/3f833652056dab1438551908428f75df
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226/
Threat name:
Win32.Hacktool.Aikaantivm
Create hunting rule
Status:
Malicious
First seen:
2025-11-16 02:01:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
22 of 24 (91.67%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7g5lvhzamkd7cbcncl6wu2syhqbkd7fj5xwec6b22clpeatxmita._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
0ccb7c895e64098f7847295ef0112437b49811301786b2b36eecf23374e34da2
QuasarRAT
853cfdf61e9f6098348242d11e4cb581ed9bfe8f960fc2f2fd7ea93e5c9e1578
QuasarRAT
ea90d10a0f856d00da2e68829e7c87e04f0d4834a05405cdbda1455c05f7de0f
QuasarRAT
error
QuasarRAT
f9952abc64553d33f93feaaea3ae9e705a890f0d48b2bd1af77bd7e7b17034bb
QuasarRAT
f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226
QuasarRAT
fa975ead71873519e79b3f7e4dfca87812c2acd11483c2e331f2ad563f31670d
QuasarRAT
+ 366 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:office04 spyware trojan
Link:
https://tria.ge/reports/251123-bla7dsgq6w/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
127.0.0.1:4782
Verdict:
Malicious
Tags:
red_team_tool rat quasar_rat backdoor backnet Win.Malware.Generic-9883083-0
YARA:
HKTL_EXE_AlKhaser_Jul_01 MAL_QuasarRAT_May19_1 malware_windows_quasarrat MAL_BackNet_Nov18_1
Link:
https://app.threat.zone/submission/678c5aa4-fbee-43ac-9a3d-e60b770d8160
Unpacked files
SH256 hash:
f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226
MD5 hash:
3f833652056dab1438551908428f75df
SHA1 hash:
da1ddc73d4055ce48d05731afd1855cea6f0aef6
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/cb60037a-04de-4d10-90e6-3193317f815d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f9baba9f206287f1044d12fd6a6a583c02a1fca9edec41783ad096f202776226

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:Check_Dlls
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:MAL_BackNet_Nov18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Create hunting rule
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Description:Detects QuasarRAT malware
Rule name:MAL_QuasarRAT_May19_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:MAL_QuasarRAT_May19_1_RID2E1E
Create hunting rule
Author:Florian Roth
Description:Detects QuasarRAT malware
Reference:https://blog.ensilo.com/uncovering-new-activity-by-apt10
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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.

Cape
Cape
https://www.capesandbox.com/analysis/40017/

Comments