MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167. 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: 21

Intelligence 21 IOCs 1 YARA 29 File information Comments

SHA256 hash:	a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167
SHA3-384 hash:	2fca924701ff5212cc1ae85170365579a87adcad58abe181c2eaf46d9786d01861353f28cd9dd0392257b64c41eebf43
SHA1 hash:	35ea62b8b861ca494c304dae41530bf2308f1a37
MD5 hash:	c666d2bb8ed70292b793c787160f1766
humanhash:	oregon-burger-july-speaker
File name:	XP600-ATools-V114LC-a20181205-Eng.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'266'048 bytes
First seen:	2025-10-31 16:35:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'359 x AgentTesla, 20'862 x Formbook, 12'418 x SnakeKeylogger)
ssdeep	49152:bvUD/2oga6ctePEl3s3jn7HZkg6EqSbR4LoGdTTHHB72eh2NT:bvm/2oga6ctePEl3s3L7HZkg6Eqh
Threatray	1'477 similar samples on MalwareBazaar
TLSH	T155E55A1037F85F23E1ABE27396B0041267F0FC1AB3A3F75B658167791C93B505942AAB
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	abuse_ch
Tags:	exe QuasarRAT RAT

abuse_ch

QuasarRAT C2:
46.43.90.174:27005

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
46.43.90.174:27005	https://threatfox.abuse.ch/ioc/1630401/

Intelligence

File Origin

# of uploads :

# of downloads :

130

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

XP600-ATools-V114LC-a20181205-Eng.exe

Verdict:

Malicious activity

Analysis date:

2025-10-31 16:23:48 UTC

Tags:

auto-reg quasar

Link:

https://app.any.run/tasks/7b185c24-7736-430c-bf86-842389064a15

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/34914/

Detection(s):

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

Win.Packed.Downeks-6898097-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6904e2949942f1282ecaf132

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

Sending a custom TCP request

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 certreq expand explorer fingerprint infostealer lolbin obfuscated obfuscated reconnaissance runonce schtasks stealer tiger

Link:

https://www.filescan.io/uploads/6904e55abe20d933485a9029/reports/4c0c9407-5909-4f73-9bbc-6d5cf4013701/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-10-31T13:25:00Z UTC

Last seen:

2025-11-02T11:58:00Z UTC

Hits:

~10

Detections:

Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.a HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.MSIL.Quasar.gen Trojan-PSW.Win32.Stealer.sb PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic

Link:

https://opentip.kaspersky.com/a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/50a9fe67-b898-42b9-b580-5bfbcd0c15fc

Result

Threat name:

AsyncRAT, Quasar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1805887

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Creates an autostart registry key pointing to binary in C:\Windows

Creates autostart registry keys with suspicious names

Drops executables to the windows directory (C:\Windows) and starts them

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Uses dynamic DNS services

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AsyncRAT

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167

Verdict:

inconclusive

YARA:

13 match(es)

Tags:

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

Link:

https://app.malva.re/file/c666d2bb8ed70292b793c787160f1766

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167/

Verdict:

Malicious

Threat:

Family.QUASAR

Link:

https://tip.neiki.dev/file/a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-10-31 16:23:50 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ueg4thm3fbhkei7mhpmiw2uklmeo2yr4rs6u5kjmzyi2x33qoftq._file

Verdict:

malicious

Label(s):

quasarrat

njrat

QuasarRAT

436575800b95744469c08b2b05fcd3bda915278c57d1d890ce3288e82a88c32a

QuasarRAT

7a5be1773b8383037113747990bf1798b072e8563773f3de3c23e3e99f2da25c

QuasarRAT

8056a37cd65f2a24c5ddb99843cc744d8f78f7befd95dcd77f9c4c5bfc6f45d3

QuasarRAT

error

QuasarRAT

f5e49e7ec748a0b4cfdecdddc5fdfaf9f5b7f38f73e962a4017b402ba8143d02

QuasarRAT

+ 1'467 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:noipa execution persistence spyware trojan

Link:

https://tria.ge/reports/251031-t33xva1jbw/

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:

mahmoud9pos.ddns.net:27005

Unpacked files

SH256 hash:

a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167

MD5 hash:

c666d2bb8ed70292b793c787160f1766

SHA1 hash:

35ea62b8b861ca494c304dae41530bf2308f1a37

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/ad07cbf2-b4e1-47d1-9ccf-0ec4c780bf49/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a10dc99d9b28/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/a10dc99d9b284ea223ec3bd88b6a8a5b08ed623c8cbd4ea92cce11abef707167

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

https://www.capesandbox.com/analysis/34914/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample