MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b. 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: 20


Intelligence 20 IOCs YARA 26 File information Comments
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SHA256 hash: 2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b
SHA3-384 hash: d81bb8a89871f2cdd95664d3612fedea85310701eda08480e2158079876984a44471e5311daa4a14edb629fbfab04484
SHA1 hash: a51a3795d6066a880743f2f27b92aecf758afb67
MD5 hash: d52cc6f8f2df2ec03155e1ffa7a7ff96
humanhash: william-quebec-oranges-pasta
File name:Client.exe
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:10'781'188 bytes
First seen:2025-11-22 23:52:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'855 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep 196608:r4do/4Hpjtll8Qc9zfH2MXBF2QWwrpti9Bhfh3c0RtyGtN6:8do/4Hp1vc9j20BF5Nc9TC0htU
TLSH T1A0B6335917E49E7BF47F0AB8F47140011E71FC42A917FBCE389869B84E297988D06B93
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 :
45
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 02:40:27 UTC
Tags:
evasion rat quasar remote
Link:
https://app.any.run/tasks/7a76ec27-4a35-466e-9f0b-e22b8f773f64

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/39266/
Detection(s):
Win.Trojan.Barys-1
Create hunting rule

Win.Packed.Generic-9830106-0
Create hunting rule

Win.Packed.QuasarRAT-10012744-0
Create hunting rule

Win.Trojan.Generic-6295765-0
Create hunting rule

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

Win.Trojan.Generic-6898101-0
Create hunting rule

Win.Trojan.Generic-6898102-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=692250694917b5d23db0a859
Tags:
vmdetect quasar
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Creating a window
Connection attempt to an infection source
Sending a TCP request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm base64 blackshades byteguard crypto fingerprint infostealer lolbin obfuscated overlay overlay packed quasar reconnaissance runonce stealer vbnet
Link:
https://www.filescan.io/uploads/69224f2ef96b58f0dc805b7e/reports/2c5e37ec-c9b2-49f3-bc98-8e04ddd7665f/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-28T00:45:00Z UTC
Last seen:
2025-10-29T18:02:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b/results?tab=lookup
Malware family:
Quasar RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ee99b3e-dfab-4380-9e99-e2115180987b
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b
Verdict:
QuasarRat
YARA:
15 match(es)
Tags:
.Net Executable Malicious Managed .NET PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.26 Win 32 Exe x86
Malware Config
C2 Extraction:
PORT: 222
CNC: 51.15.17.193
Link:
https://app.malva.re/file/d52cc6f8f2df2ec03155e1ffa7a7ff96
Detection:
quasar
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b/
Threat name:
ByteCode-MSIL.Backdoor.Asyncrat
Create hunting rule
Status:
Malicious
First seen:
2025-10-28 05:38:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
33 of 37 (89.19%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fogslrlcwicgplvjxj4pzhfgwzh65fkassg7eonqlcgcy3tqsbvq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:test1 discovery spyware trojan
Link:
https://tria.ge/reports/251123-ab7xya1lfr/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
System Location Discovery: System Language Discovery
Looks up external IP address via web service
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
51.15.17.193:222
Verdict:
Malicious
Tags:
rat quasar_rat Win.Trojan.Barys-1 External_IP_Lookup AZORult VoidRat Qasar_Rat
YARA:
JPCERTCC_Quasar MALWARE_Win_QuasarRAT MAL_QuasarRAT_May19_1 Quasar_RAT_1 Windows_Trojan_Quasarrat_e52df647 malware_Quasar_strings malware_windows_quasarrat win_quasar_rat_client
Link:
https://app.threat.zone/submission/2515e318-2fac-424a-b608-b8001540c8eb
Unpacked files
SH256 hash:
2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b
MD5 hash:
d52cc6f8f2df2ec03155e1ffa7a7ff96
SHA1 hash:
a51a3795d6066a880743f2f27b92aecf758afb67
Detections:
win_blackshades_w0
Create hunting rule
QuasarRAT
Create hunting rule
Link:
https://www.unpac.me/results/d9f3de45-e190-466e-8b7a-87379937731b/
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2b8d25c562b2/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/2b8d25c562b20467aea9ba78fc9ca6b64fee9540948df239b0588c2c6e70906b

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:BlackShades_4
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:BlackShades
Rule name:DebuggerCheck__API
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: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:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:Detects command variations typically used by ransomware
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_Quasar_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:MALWARE_Win_QuasarRAT
Create hunting rule
Author:ditekSHen
Description:QuasarRAT payload
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:Quasar
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect QuasarRAT in memory
Rule name:QuasarRAT
Create hunting rule
Author:ditekshen
Description:QuasarRAT payload
Rule name:quasarrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:quasarrat_kingrat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1
Create hunting rule
Author:@SOCRadar
Description:Detects Quasar RAT
Rule name:Quasar_RAT_1_RID2B54
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
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:Windows_Trojan_Quasarrat_e52df647
Create hunting rule
Author:Elastic Security
Rule name:win_blackshades_w0
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Rule name:WIN_SHADOW_UNPACKED
Create hunting rule

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/39266/

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