MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8. 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: 19


Intelligence 19 IOCs YARA 28 File information Comments
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SHA256 hash: 286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8
SHA3-384 hash: 821bbe1a40c00fe8535388f115ef26fcf591e16ff95f8289d4ec860dea8cdebbbc623a54f1bd0a1245258fcf1047def0
SHA1 hash: f26fc10c91c0bc589424560a38df41a768811257
MD5 hash: 46d54844306e6b43f04bfe4825ae87e1
humanhash: vermont-seventeen-north-asparagus
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:3'266'048 bytes
First seen:2025-11-22 23:52:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'692 x Formbook, 12'274 x SnakeKeylogger)
ssdeep 49152:nvCvE2H5aweBHPbl6T/yGaqA6/Ox9E1zhk/Jx6oGdBTHHB72eh2NT:nvIE2H5aweBHPbl6T/DaqA6/Oxjw
TLSH T135E55C143BF85F23E1BBE27395B0041667F0EC2AB3A3EB1B1151677E1C93B5059426AB
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 :
47
Origin country :
IE IE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
Client.exe
Verdict:
Malicious activity
Analysis date:
2025-11-23 02:49:27 UTC
Tags:
auto-reg rat quasar remote evasion
Link:
https://app.any.run/tasks/a07a35d4-8fa0-49f3-925d-236c65e53abc

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/39251/
Detection(s):
Win.Malware.Generic-9883083-0
Create hunting rule

Win.Malware.Msilheracles-9900242-0
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Win.Packed.Downeks-6898097-0
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ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69224ff38cf6736ec0b0d0eb
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 reconnaissance stealer
Link:
https://www.filescan.io/uploads/69224edb7d011c9c3a4876bf/reports/3dc5c188-85fd-42bc-b77d-703f10c1fe1c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-18T10:59:00Z UTC
Last seen:
2025-11-23T00:04:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6c3dcb45-e882-4e2e-aacb-ed9183773145
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8
Verdict:
inconclusive
YARA:
13 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/46d54844306e6b43f04bfe4825ae87e1
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8/
Threat name:
ByteCode-MSIL.Backdoor.Quasar
Create hunting rule
Status:
Malicious
First seen:
2025-11-18 15:48:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
31 of 37 (83.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fbvbcr2cjem6uqinkta2ror4gsueda6uqpz2j5fnmm5kqwzv2hua._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:spain2 execution persistence spyware trojan
Link:
https://tria.ge/reports/251123-abdn4a1leq/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
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
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/e2df7fe1-8600-453e-bbcd-dc0f3291068a
Unpacked files
SH256 hash:
286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8
MD5 hash:
46d54844306e6b43f04bfe4825ae87e1
SHA1 hash:
f26fc10c91c0bc589424560a38df41a768811257
Detections:
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/8a6786e9-11e5-4637-8a14-d2652e60a888/
Parent samples :
286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8
e53905be786890e707d3afe844cbb853b3b5db4f52768df923ac867a2659c3b1
83c68b7f1cc15001fc5888f47553d8fbd3573dc8b83327ff778f63e7c5d3f079
4173909d6790cfde1cb60988ad573f014cf71b6bd7fe5ebc26a5284a429748c9
f2ddf3189b83629d36697f9337fbacdad5106024aeafb853f46e8f43042899bb
53aefcb31cf737d2af9779bea562b358bb08c876bb68fbe5614c1084decb6728
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/286a11474249/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/286a1147424919ea410d54c1a8ba3c34a84183d483f3a4f4ad633aa85b35d1e8

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: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/39251/

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