MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e. 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 29 File information Comments

SHA256 hash:	61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e
SHA3-384 hash:	059beed7683e7890ec6c3c31d695a54159a1209892d2ce266a243f34cda3524574055b37b67290c678808e1d3d3cbaec
SHA1 hash:	56b32f914e69adf62b0d23666e55bfb53145837d
MD5 hash:	733ed829c1e32c9b6fbc815e7fdebdb6
humanhash:	four-happy-yankee-maryland
File name:	ArcStake Engine.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'275'776 bytes
First seen:	2026-02-03 11:00:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'081 x AgentTesla, 20'056 x Formbook, 12'353 x SnakeKeylogger)
ssdeep	49152:NvSrdR2AMaI8aIP+ld7fB2ZL/IUNZfUEw0Wk/KmOoGdrSTHHB72eh2NT:NvAdR2AMaI8aIP+ld7f4ZL/IUNZfQfb
Threatray	2'083 similar samples on MalwareBazaar
TLSH	T1E8E55B1437F85F33E5BAE673D5B0401667F0E82AB3A3EB1B2191677E1C53B4058426AB
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
dhash icon	00301804060a030b (1 x QuasarRAT)
Reporter	Anonymous
Tags:	c2 exe QuasarRAT

Anonymous

The executable SHA-256: 61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e is widely recognized by security vendors as a QuasarRAT-based MSIL backdoor. Detection results reference classic QuasarRAT traits associated with remote control and surveillance functionality. The consistent identification across numerous independent engines indicates that this file represents an established RAT malware sample appropriate for MalwareBazaar cataloging and sharing

Intelligence

File Origin

# of uploads :

# of downloads :

189

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/8ce0d3c0-b104-4a74-9cf8-30a22bf1abb6/

Malware family:

quasar

ID:

File name:

ArcStake Engine.exe

Verdict:

Malicious activity

Analysis date:

2026-02-03 11:03:23 UTC

Tags:

auto-reg quasar

Link:

https://app.any.run/tasks/41373b74-24dc-4f54-8de0-50ea35b9cc5d

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/51435/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Packed.Downeks-6898097-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6981d57a183032faf3eee1fe

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

DNS request

Enabling autorun by creating a file

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-02-03T08:07:00Z UTC

Last seen:

2026-02-04T02:13:00Z UTC

Hits:

~100

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 PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb

Link:

https://opentip.kaspersky.com/61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/399609c1-a3c0-462f-bb41-afc70bbdd556

Score:

95%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

Gathering data

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-02-03 11:04:28 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mhha5k64husihdi5zusmiovepljjkvk4vtrepoyvrmmjm3fkfv7a._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

50264b76dd44a9e7877e65cb1a1f133ea93c1032a3bea48759bf19863d8076c9

QuasarRAT

61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

QuasarRAT

6b4996326303764ca4546eb9cc63fd3e1e5931d20f1f2e1293f6bada09d31268

QuasarRAT

73c58556c01b83006ae1334b264bf2c9ae321b03b3a220a07f86b7742f36ecb5

QuasarRAT

error

QuasarRAT

+ 2'073 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:arcstakeengine_runtime execution persistence spyware trojan

Link:

https://tria.ge/reports/260203-m4lxdsds6f/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

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:

babyfrage.de.com:4782
www.babyfrage.de.com:4782
nqlw.cn.com:4782
www.nqlw.cn.com:4782
sunwins.jpn.com:4782
www.sunwins.jpn.com:4782
sunwin2.us.com:4782
www.sunwin2.us.com:4782
sunwin1.cn.com:4782
www.sunwin1.cn.com:4782
babyfrage.de.com:1604
www.babyfrage.de.com:1604
nqlw.cn.com:1604
www.nqlw.cn.com:1604
sunwins.jpn.com:1604
www.sunwins.jpn.com:1604
sunwin2.us.com:1604
www.sunwin2.us.com:1604
sunwin1.cn.com:1604
www.sunwin1.cn.com:1604

Unpacked files

SH256 hash:

61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

MD5 hash:

733ed829c1e32c9b6fbc815e7fdebdb6

SHA1 hash:

56b32f914e69adf62b0d23666e55bfb53145837d

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/52bf2d9f-df3a-4287-bb46-c422835cc325/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/61ce0eabdc3d/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/61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

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.

Web download

QuasarRAT

exe 61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

(this sample)

Link

https://www.virustotal.com/gui/file/61ce0eabdc3d24838d1dcd24c43aa47ad295555cace247bb158b18966caa2d7e

Dropped by

QuasarRAT

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/51435/

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