MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e. 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: 22

Intelligence 22 IOCs YARA 30 File information Comments

SHA256 hash:	83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e
SHA3-384 hash:	1232359937c266eb69f85e76b92f61c24aa155c77cbd56535461e239db6418eae9353cd086609e8a76c00b3623786ab6
SHA1 hash:	ce6d952166cbd5e567bbeaf5cbd276ed81fbb191
MD5 hash:	50c102f1864d991d4d1b25be72b27418
humanhash:	butter-white-alanine-lithium
File name:	Payment.Confirmaton.05212025.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	844'288 bytes
First seen:	2025-12-08 07:50:43 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'246 x AgentTesla, 20'512 x Formbook, 12'377 x SnakeKeylogger)
ssdeep	12288:8Jw0LBvEsFCHyatsYD8dF4TX2s5N3/BhQXBpC6geidq:ETtkxZEoXzD3/BhqpCMidq
Threatray	768 similar samples on MalwareBazaar
TLSH	T19A050124EFB5D52EC6391AF483745311CCA56F5240BED2E0B38872AD46727B49BCCA63
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
dhash icon	00ecd0f8f8f0c400 (26 x AgentTesla, 20 x SnakeKeylogger, 5 x Formbook)
Reporter	Anonymous
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

148

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

ConfuserEx

Details

Link:

https://research.acce.ciphertechsolutions.com/results/fd6c1539-fd17-43af-ae0e-d152cde9cda8/

Malware family:

quasar

ID:

File name:

Payment.Confirmaton.05212025.exe

Verdict:

Malicious activity

Analysis date:

2025-12-08 07:52:55 UTC

Tags:

quasar rat auto-reg evasion

Link:

https://app.any.run/tasks/91ee81cd-7ad2-4315-9d1b-83ef18594028

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

QuasarRAT

Link:

https://www.capesandbox.com/analysis/42969/

Detection(s):

Win.Packed.Lynx-6899009-0

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69368372c61465c74cbc10df

Tags:

autorun virus sage remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Restart of the analyzed sample

Searching for synchronization primitives

Creating a file

Launching the default Windows debugger (dwwin.exe)

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Creating a file in the %AppData% subdirectories

Launching a process

Enabling the 'hidden' option for recently created files

Creating a process from a recently created file

Unauthorized injection to a recently created process

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Unauthorized injection to a recently created process by context flags manipulation

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

base64 lynx masquerade obfuscated obfuscated packed reconnaissance vbnet

Link:

https://www.filescan.io/uploads/69368370bc15eab491f6d4b7/reports/a230387b-7302-4275-9510-11ee5d9c148c/overview

Verdict:

Malicious

Labled as:

Trojan.DNP.Generic

Link:

https://www.hybrid-analysis.com/sample/83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-12-07T21:53:00Z UTC

Last seen:

2025-12-09T15:07:00Z UTC

Hits:

~100

Detections:

HEUR:Trojan.Win32.Generic VHO:Trojan.MSIL.Inject.gen Trojan-Spy.Quasar.HTTP.ServerRequest Backdoor.Androm.UDP.ServerRequest

Link:

https://opentip.kaspersky.com/83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/39a2f61e-fd64-4ab6-a88d-b323955decf5

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.86 Win 32 Exe x86

Link:

https://app.malva.re/file/50c102f1864d991d4d1b25be72b27418

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e/

Verdict:

Malicious

Threat:

Family.QUASAR

Link:

https://tip.neiki.dev/file/83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-12-08 07:51:15 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qp5o4vkcinjiy74nixzmqqz6atx4majl2lq6jvxwlvkso76aknha._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

7d2f2b6ca631ed873d69839d81742302f35de670847eb7de4622562e538fdd20

QuasarRAT

e084e80abf2e13a02f8e611406a499fd25fcbd84951ca9bff62f72c6897cb4d6

QuasarRAT

fdb7865b933ca403988dfa5e9b5bc1a7b119d4ba015f984799f2ab9c9c05fe41

QuasarRAT

+ 758 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office01 discovery execution persistence spyware trojan

Link:

https://tria.ge/reports/251208-jpwlhacw4b/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

Executes dropped EXE

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

mainmenuflo.ydns.eu:61551
menioffituat.chickenkiller.com:61552

Verdict:

Malicious

Tags:

Win.Packed.Lynx-6899009-0 VoidRat AZORult Qasar_Rat External_IP_Lookup

YARA:

n/a

Link:

https://app.threat.zone/submission/6cbe338c-753b-4f04-95ad-6c0f5ebce339

Unpacked files

SH256 hash:

83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e

MD5 hash:

50c102f1864d991d4d1b25be72b27418

SHA1 hash:

ce6d952166cbd5e567bbeaf5cbd276ed81fbb191

Link:

https://www.unpac.me/results/376df1a2-e7f1-43c6-b768-3a9ca535424c/

SH256 hash:

5b70baedf55b540f89a4a78a44e3db37b3458986c6054c0099e63880941891a8

MD5 hash:

c219455d4bfab08ba95815ffffe81ef1

SHA1 hash:

4e5127eed31eda6a4eede1d744fed5047291198d

Link:

https://www.unpac.me/results/376df1a2-e7f1-43c6-b768-3a9ca535424c/

SH256 hash:

3a1d9031eec4e61e0b18089eef0cc3431a550a5e13b696dfca6da710dcfd210e

MD5 hash:

f7d077a779ec29ded81b6d86affc1b62

SHA1 hash:

b40cc2575f18e5e64aafc91dddf5c3f66cd14622

Detections:

cn_utf8_windows_terminal

malware_windows_xrat_quasarrat

Quasar_RAT_1

Quasar_RAT_2

MAL_QuasarRAT_May19_1

Vermin_Keylogger_Jan18_1

xRAT_1

CN_disclosed_20180208_KeyLogger_1

win_quasarrat_j1

Quasar

win_quasar_rat_client

INDICATOR_SUSPICIOUS_GENInfoStealer

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

MALWARE_Win_QuasarRAT

Link:

https://www.unpac.me/results/376df1a2-e7f1-43c6-b768-3a9ca535424c/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/83faee554243/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/83faee554243528c7f8d45f2c8433e04efc6012bd2e1e4d6f65d55277fc0534e

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:	CN_disclosed_20180208_KeyLogger_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects malware from disclosed CN malware set
Reference:	https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details

Rule name:	CN_disclosed_20180208_KeyLogger_1_RID3227 Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details

Rule name:	DarkTortilla_2ndStage Create hunting rule
Author:	Still
Description:	Matches DarkTortilla second stage loader strings/bytecode

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:	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:	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:	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_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_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:	Quasar_RAT_2 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_2_RID2B55 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:	Vermin_Keylogger_Jan18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Vermin Keylogger
Reference:	https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

Rule name:	Windows_Trojan_Quasarrat_e52df647 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.

Rule name:	xRAT_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Patchwork malware
Reference:	https://goo.gl/Pg3P4W

Rule name:	xRAT_1_RID2900 Create hunting rule
Author:	Florian Roth
Description:	Detects Patchwork malware
Reference:	https://goo.gl/Pg3P4W

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/42969/

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