MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56. 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: 18

Intelligence 18 IOCs YARA 7 File information Comments

SHA256 hash:	90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56
SHA3-384 hash:	37670ce2d6a04782feea52bd4b3d78a2d2b439357fdf2efa3d42b6692fcbeaaffbdda9e155e9af4a18b32e5f3e2d5be9
SHA1 hash:	2e1daf3bd0a7f84c97e0a0a85d7dc057fc086330
MD5 hash:	ed42ce21d96153ec00ba2e7cf1a14b68
humanhash:	mike-floor-one-cup
File name:	90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	907'776 bytes
First seen:	2026-10-19 07:47:43 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'301 x AgentTesla, 20'721 x Formbook, 12'402 x SnakeKeylogger)
ssdeep	12288:DhDQoMBGhfJt596hEdxMNOWb97LP8hfwy5/kYcfGGui7FKz7ucwbNmSHCFJ:D1QoMsXMhYMNOWb9HP8RefPMzMxUFJ
TLSH	T14515018A73804E34CD2B9D3540302DA8437B5F5A3EA9F6459E78BCB337736CA5892587
TrID	70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	70c0db4eea7ab0fc (36 x QuasarRAT, 6 x AveMariaRAT)
Reporter	adrian__luca
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

109

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

ConfuserEx

Details

Link:

https://research.acce.ciphertechsolutions.com/results/412a83e2-d6a4-4fe8-90fa-fc761fccd659/

Malware family:

quasar

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-19 10:52:59 UTC

Tags:

ip-check quasar rat auto-reg

Link:

https://app.any.run/tasks/a10e44c6-d0e1-4a23-aef3-2ed3e7f39fd4

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/92709/

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad5da405a22ac805bd7dba4

Tags:

autorun quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

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

Creating 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

Running batch commands

Creating a process with a hidden window

Unauthorized injection to a recently created process

Unauthorized injection to a recently created process by context flags manipulation

Enabling autorun by creating a file

Gathering data

Verdict:

Malicious

Labled as:

Injector.Generic

Link:

https://www.hybrid-analysis.com/sample/90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-09-03T05:56:00Z UTC

Last seen:

2026-10-20T21:05:00Z UTC

Hits:

~1000

Link:

https://opentip.kaspersky.com/90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9c9db579-438d-4e03-ad07-15ffe213ecc7

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.96 Win 32 Exe x86

Link:

https://app.malva.re/file/ed42ce21d96153ec00ba2e7cf1a14b68

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56/

Threat name:

ByteCode-MSIL.Trojan.Generic

Status:

Suspicious

First seen:

2026-09-03 19:55:34 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sdu742txno64nghswrig6hlk34hp2djftycnyonc4xdui3nop5la._file

Verdict:

malicious

Label(s):

QuasarRAT

Link:

https://reports.threatray.com/023d7f02-0753-453c-b627-004c86672a17

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:zoy1 defense_evasion discovery execution persistence privilege_escalation spyware trojan

Link:

https://tria.ge/reports/261019-jm8haazy4l/

Behaviour

Runs ping.exe

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Executes a command shell one-liner

Program crash

Reads the TCP/IP host and domain name from the registry

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

Executes dropped EXE

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

cns.grotominpgroup.pl:61541
sns.grotominpgroup.pl:61542

Unpacked files

SH256 hash:

90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56

MD5 hash:

ed42ce21d96153ec00ba2e7cf1a14b68

SHA1 hash:

2e1daf3bd0a7f84c97e0a0a85d7dc057fc086330

Link:

https://www.unpac.me/results/3a380f6e-f046-432b-ac02-59ab25292579/

SH256 hash:

285b2fe1f6c2ba80c66959caa92dc77f61e196da5c280eaaee3aee0a42c40425

MD5 hash:

2219b8f9659f97a8ce59ba9bec074d4f

SHA1 hash:

5929645bc1c4ab735396791a5ce42e5e67dbc26c

Link:

https://www.unpac.me/results/3a380f6e-f046-432b-ac02-59ab25292579/

SH256 hash:

3707b607a9a042414f0b39501f88e467b5ab8cb6a27676ba09043e95082b5f1b

MD5 hash:

5b47dce9fcda284852f0124880b50e01

SHA1 hash:

994bcc6192c242850db9eb2a48137b95eed26a2b

Detections:

QuasarRAT

CN_disclosed_20180208_KeyLogger_1

cn_utf8_windows_terminal

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_GENInfoStealer

MAL_QuasarRAT_May19_1

malware_windows_xrat_quasarrat

MALWARE_Win_QuasarRAT

Quasar

Quasar_RAT_1

Quasar_RAT_2

Vermin_Keylogger_Jan18_1

win_quasar_rat_client

win_quasarrat_j1

xRAT_1

Link:

https://www.unpac.me/results/3a380f6e-f046-432b-ac02-59ab25292579/

Parent samples :

bcc66716c96ca9eae509bb88f3a9279630f56d51af2783e1e8424a169ca59fcc
c227559b02b4ae2e01b57334ae2385660fc12c374503b94c28761195ee25d5cb
b28e3757d340dbebfe720d7118fb575416f2fdf0ae88c8618dadc1d97e22643a
90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56
e8ecea762ebbdcc93495dfa3798f3fa98ce4ebd8d2b67fdf2ba030d097bd2c51

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/90e9fe6a776b/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/90e9fe6a776bbdc698f2b4506f1d6adf0efd0d259e04dc39a2e5c7446dae7f56

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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	WIN_Malware_Unknown_ForgeAuto_6717780a_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects XWorm (pe, etat extrait)

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/92709/

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