MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e. 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

AsyncRAT

Vendor detections: 18

Intelligence 18 IOCs YARA 26 File information Comments

SHA256 hash:	8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e
SHA3-384 hash:	0053bdea6030fa0a11ac39d10355346e772ba06da28f4b301f27d93206ca5ef08f41a22f6f9a2bca958192b11d196e30
SHA1 hash:	d35a04d739a552e46ee5bde8163476a4d4e78b2b
MD5 hash:	32a4504d67ae8de25ef7ee095585d993
humanhash:	salami-fillet-butter-hamper
File name:	Client.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	745'484 bytes
First seen:	2025-11-23 00:01:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'237 x AgentTesla, 20'488 x Formbook, 12'372 x SnakeKeylogger)
ssdeep	12288:kMcjA/VYbLEinwtEYwCKDsNKjvbT+/a7SzszgpB8L8:kMcgynEt/KzbnmsgpB8L8
Threatray	34 similar samples on MalwareBazaar
TLSH	T1C2F46B8033B8E62AE2BE5775E570092807F5E107AB66EF5F5940B1F92C63B419D423B3
TrID	46.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 19.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 6.6% (.EXE) Win64 Executable (generic) (10522/11/4) 4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	Hexastrike
Tags:	AsyncRAT exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

Client.exe

Verdict:

Malicious activity

Analysis date:

2025-11-23 06:33:07 UTC

Tags:

quasar

Link:

https://app.any.run/tasks/719d544b-06df-4c43-8ce3-29c0f9494297

Note:

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

Detection:

QuasarStealer

Link:

https://www.capesandbox.com/analysis/39608/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Packed.Downeks-6898097-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69225bf8140de26f6c2c608a

Tags:

infosteal vmdetect quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm anti-vm base64 cmd explorer fingerprint hacktool keylogger lolbin obfuscated obfuscated reconnaissance runonce vermin

Link:

https://www.filescan.io/uploads/692256d6f96b58f0dc806128/reports/fd3ef000-4d25-4367-b611-40a5f484a04d/overview

Verdict:

Malicious

Labled as:

Genie.8DN.Generic

Link:

https://www.hybrid-analysis.com/sample/8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-18T01:59:00Z UTC

Last seen:

2025-11-18T16:02:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/66a50dd8-efa9-489f-b086-5df68fc77b95

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e

Verdict:

QuasarRat

YARA:

14 match(es)

Tags:

.Net AsyncRAT Executable Malicious Managed .NET PE (Portable Executable) PE Memory-Mapped (Dump) QuasarRat RAT SOS: 0.36

Malware Config

C2 Extraction:

PORT: YovngMandaYNoTu-43886.portmap.ho
CNC: YovngMandaYNoTu-43886.portmap.ho
PORT: YovngMandaYNoTu-43886.portmap.ho
CNC: YovngMandaYNoTu-43886.portmap.ho

Link:

https://app.malva.re/file/32a4504d67ae8de25ef7ee095585d993

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-11-18 06:14:00 UTC

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rjta76xdlmqt7hngnecapy2nxp4y3mov4w2c24m5s736dfupanpa._file

Verdict:

malicious

Label(s):

quasarrat

AsyncRAT

8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e

AsyncRAT

b2a0f706a39d5e5522221fb403b7bbf2423a2c87014279407f566afa6a102758

AsyncRAT

error

AsyncRAT

fc53884a4452b6f808e280dc3fc3a051d0129be2aabf61ea816dacf6c3ea9e80

AsyncRAT

+ 24 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:victims01 discovery

Link:

https://tria.ge/reports/251123-axmh5a1rcl/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

Drops file in Program Files directory

Drops file in Windows directory

Malware Config

C2 Extraction:

YovngMandaYNoTu-43886.portmap.host:43886

Verdict:

Malicious

Tags:

red_team_tool rat asyncrat quasar_rat vermin stealer Win.Malware.Generic-9883083-0

YARA:

HKTL_EXE_AlKhaser_Jul_01 JPCERTCC_Asyncrat MAL_QuasarRAT_May19_1 Vermin_Keylogger_Jan18_1 malware_asyncrat malware_windows_quasarrat MALWARE_Win_Quasarstealer

Link:

https://app.threat.zone/submission/0fa58b5b-25b7-4af5-8424-5dcf15a02e5f

Unpacked files

SH256 hash:

8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e

MD5 hash:

32a4504d67ae8de25ef7ee095585d993

SHA1 hash:

d35a04d739a552e46ee5bde8163476a4d4e78b2b

Detections:

win_asyncrat_w0

QuasarRAT

Link:

https://www.unpac.me/results/c5669bef-6497-4e45-a307-b6b214d4ddeb/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Suspicious File

Score:

0.42

Link:

https://yomi.yoroi.company/submissions/8a660ffae35b213f9da6690407e34dbbf98db1d5e5b42d719d97f7e1968f035e

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:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread 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_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	malware_asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	malware_asyncrat Create hunting rule
Description:	detect AsyncRat in memory
Reference:	https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp

Rule name:	MALWARE_Win_QuasarStealer Create hunting rule
Author:	ditekshen
Description:	Detects Quasar infostealer

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 Create hunting rule
Description:	Detects QuasarRAT malware

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:	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:	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:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

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/39608/

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