MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5. 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: 12


Intelligence 12 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5
SHA3-384 hash: 094ef2b14942917120ccd4616f284244242596251f06f38b2d89fada69dfcce0f3abfc85b145b0acbea38cce31fc8961
SHA1 hash: 29dfc3afa7acf21f8ea12a33181704d0afe09bb7
MD5 hash: ab8c5e65559a79e0c822edc690500f4f
humanhash: neptune-finch-fourteen-vermont
File name:file
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:2'613'248 bytes
First seen:2025-12-29 22:16:50 UTC
Last seen:2025-12-30 00:53:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:xLvL+2upjBVhbAbXMtQl/wLz8r5S5l7KdVSZ4eY83TAcm:hL+2upjBVGVl/lQrCSZ4183Dm
TLSH T1DBC523853BFC4948F6BF9F702DB626248579B8A25D21EB5E06C1309C1931FD5ADA0F23
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe fbf543 QuasarRAT


Avatar
Bitsight
url: http://130.12.180.43/files/7044575709/G6Q6uMY.exe

Intelligence

File Origin
# of uploads :
5
# of downloads :
103
Origin country :
US US
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
_b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5.exe
Verdict:
Malicious activity
Analysis date:
2025-12-29 22:18:59 UTC
Tags:
evasion uac stealer arch-doc
Link:
https://app.any.run/tasks/86bf39e1-8f86-4711-9fc1-8c58d1f1672a

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/46502/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6952fdec7d915bf1778ecda8
Tags:
packed micro remo
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-vm base64 evasive eventvwr fingerprint formbook lolbin obfuscated packed privilege reconnaissance
Link:
https://www.filescan.io/uploads/6952fdea2fb7bb52ca81689e/reports/e98859a4-e440-49c2-b04d-4070cb004e50/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-29T19:32:00Z UTC
Last seen:
2025-12-31T20:34:00Z UTC
Hits:
~100
Detections:
Trojan-PSW.Win32.Stealer.sb Trojan-PSW.Win32.Coins.sb Trojan-PSW.Win32.Agent.sb Trojan-PSW.MSIL.Stealer.sb Trojan-Banker.MSIL.Evital.gen Trojan.Win32.Agent.sb HEUR:Exploit.MSIL.BypassUAC.c Trojan-Spy.Stealer.TCP.C&C Trojan-Spy.Stealer.HTTP.C&C Trojan.Agent.UDP.C&C PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/0db0eb2a-3e5c-4ee1-a83e-4f6095f31dbe
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Fody/Costura Packer Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.00 SOS: 0.19 SOS: 0.32 Win 32 Exe x86
Link:
https://app.malva.re/file/ab8c5e65559a79e0c822edc690500f4f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5/
Verdict:
Malicious
Threat:
Trojan-PSW.MSIL.Stealer
Link:
https://tip.neiki.dev/file/b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5
Threat name:
ByteCode-MSIL.Infostealer.Polazert
Create hunting rule
Status:
Malicious
First seen:
2025-12-29 22:17:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbvsn3oexj4inb4tiuhtwo3posx5imcl6ac6awb6geo2ksfij32q._file
Gathering data
Verdict:
Malicious
Tags:
rat quasar_rat External_IP_Lookup
YARA:
win_quasar_rat_client
Link:
https://app.threat.zone/submission/97cd785d-9c5a-45d5-a57a-9f88f5a986d2
Unpacked files
SH256 hash:
b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5
MD5 hash:
ab8c5e65559a79e0c822edc690500f4f
SHA1 hash:
29dfc3afa7acf21f8ea12a33181704d0afe09bb7
Link:
https://www.unpac.me/results/90b60703-db40-4272-babd-fbbc48755243/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b86b26edc4ba/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/b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:grakate_stealer_nov_2021
Create hunting rule
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
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_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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)
Rule name:TelegramAPIMalware_PowerShell_EXE
Create hunting rule
Author:@polygonben
Description:Hunting for pwsh malware using Telegram for C2
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.

Web download

QuasarRAT

Executable exe b86b26edc4ba78868793450f3b3b6f74afd4304bf005e0583e311da548a84ef5

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3746066/
Cape
Cape
https://www.capesandbox.com/analysis/46502/

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