MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e. 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: 18


Intelligence 18 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
SHA3-384 hash: 2dd9c9f22a9e154b8fff52d1a3e38db1e29f5a47feb3b3f292ac0e4da90ec2c71137a8a9948cc95991ae74b96189c84a
SHA1 hash: fc666dad24381af32375622a921751af60e1ddd9
MD5 hash: 07f376b9489c31c2967bbfb9d15c3e34
humanhash: indigo-venus-bacon-stream
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'266'048 bytes
First seen:2025-11-23 00:10:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:PvyI22SsaNYfdPBldt698dBcjHzRxEESErk/iPLoGdnv4THHB72eh2NT:Pvf22SsaNYfdPBldt6+dBcjHlxRT
Threatray 1'641 similar samples on MalwareBazaar
TLSH T1A4E55B143BF85F23E1BBE27395B0441667F0EC1AB3A3EB1B1191677E1C93B5058426AB
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Hexastrike
Tags:exe QuasarRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2025-11-23 10:46:50 UTC
Tags:
auto-reg
Link:
https://app.any.run/tasks/f4a0391b-117f-4317-b3b3-ddce85a013ab

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
QuasarStealer
Create hunting rule
Link:
https://www.capesandbox.com/analysis/39967/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
Create hunting rule

Win.Packed.Downeks-6898097-0
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=69226386140de26f6c2c6f9a
Tags:
infosteal autorun quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 infostealer obfuscated obfuscated quasar quasarrat reconnaissance stealer
Link:
https://www.filescan.io/uploads/69225e9ef96b58f0dc8067ca/reports/57a4b93e-5d49-4b59-bfc7-4e8dd7bc8587/overview
Verdict:
Malicious
Labled as:
Trojan.Agent
Link:
https://www.hybrid-analysis.com/sample/ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-29T06:57:00Z UTC
Last seen:
2025-10-31T04:29:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e/results?tab=lookup
Gathering data
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
Verdict:
inconclusive
YARA:
14 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86
Link:
https://app.malva.re/file/07f376b9489c31c2967bbfb9d15c3e34
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-11-01 09:20:41 UTC
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5zpnlykerumta364cw2wv54v6aqf7my6vd6xfzjult73h25usa7a._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
1888dad764c782fdb3d8cfce0916fd197e645231f3cdc28e4d45d1558a0935db
QuasarRAT
436575800b95744469c08b2b05fcd3bda915278c57d1d890ce3288e82a88c32a
QuasarRAT
7a5be1773b8383037113747990bf1798b072e8563773f3de3c23e3e99f2da25c
QuasarRAT
8056a37cd65f2a24c5ddb99843cc744d8f78f7befd95dcd77f9c4c5bfc6f45d3
QuasarRAT
error
QuasarRAT
f5e49e7ec748a0b4cfdecdddc5fdfaf9f5b7f38f73e962a4017b402ba8143d02
QuasarRAT
+ 1'631 additional samples on MalwareBazaar
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:gasplant discovery execution persistence spyware trojan
Link:
https://tria.ge/reports/251123-bhme9awmhy/
Behaviour
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
toolsbox.ydns.eu:20901
Verdict:
Malicious
Tags:
rat quasar_rat stealer Win.Malware.Generic-9883083-0
YARA:
MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer
Link:
https://app.threat.zone/submission/f3a6fa45-5806-4a77-b5a6-eb33263614b3
Unpacked files
SH256 hash:
ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
MD5 hash:
07f376b9489c31c2967bbfb9d15c3e34
SHA1 hash:
fc666dad24381af32375622a921751af60e1ddd9
Detections:
QuasarRAT
Create hunting rule
cn_utf8_windows_terminal
Create hunting rule
malware_windows_xrat_quasarrat
Create hunting rule
MAL_QuasarRAT_May19_1
Create hunting rule
win_quasarrat_j2
Create hunting rule
win_quasar_rat_client
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_QuasarStealer
Create hunting rule
Link:
https://www.unpac.me/results/a73caf6e-9a79-4ab7-a4a7-ea3befb5986f/
Parent samples :
1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0
ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ee5ed5e1448d/report/overview.html
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/ee5ed5e1448d19306fdc15b56af795f0205fb31ea8fd72e5345cffb3ebb4903e

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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: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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifacts observed in infostealers
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MALWARE_Win_QuasarStealer
Create hunting rule
Author:ditekshen
Description:Detects Quasar infostealer
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:RC6_Constants
Create hunting rule
Author:chort (@chort0)
Description:Look for RC6 magic constants in binary
Reference:https://twitter.com/mikko/status/417620511397400576
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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)
Rule name:Windows_Generic_Threat_803feff4
Create hunting rule
Author:Elastic Security
Rule name:win_quasar_rat_client
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in Quasar Rat Samples.

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/39967/

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