MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049. 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:	3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049
SHA3-384 hash:	3bf63e75d6694387fe92b86b839c020122b54a70b637ddcbdb13f739727afa94895de4fd396eeed1318cf4a919a6539e
SHA1 hash:	4ceb681ea101e5a8ae912728408959fde8669741
MD5 hash:	9a9f02b67e62740df4266fe4512e14a3
humanhash:	nebraska-uncle-wyoming-video
File name:	gsges.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	295'424 bytes
First seen:	2023-10-25 08:17:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep	6144:zKJuiyEnCGnhJlMP5Kq+SMv0VGb7bDcllbkLC:mzCGL69zVGkllbkO
Threatray	469 similar samples on MalwareBazaar
TLSH	T115545A2527F8A93BD9BE17B4F43141094B76FC07B557F38E6A5818B82C1A38985837E3
TrID	53.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.5% (.SCR) Windows screen saver (13097/50/3) 7.6% (.EXE) Win64 Executable (generic) (10523/12/4) 4.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	JAMESWT_WT
Tags:	33085 burk2n-dynu-net exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

352

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

gsges.exe

Verdict:

Malicious activity

Analysis date:

2023-10-25 08:32:41 UTC

Tags:

rat quasar evasion

Link:

https://app.any.run/tasks/7b7583f2-f81c-4a40-90fd-5912fa38a6d4

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/456194/

Detection(s):

Win.Trojan.Barys-1

Win.Packed.Generic-9830106-0

Win.Trojan.Generic-6295765-0

Win.Malware.Generic-6623004-0

Win.Trojan.Generic-6898101-0

Win.Trojan.Generic-6898102-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Sending an HTTP GET request

Setting a keyboard event handler

Creating a file in the %AppData% subdirectories

Creating a window

Sending a custom TCP request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm anti-vm blackshades cmd control crypto fingerprint infostealer keylogger lolbin lolbin packed quasar quasarrat ransomware rat replace schtasks schtasks shell32 stealer stealer vermin xrat

Link:

https://www.filescan.io/uploads/6538cf3b2614136586eb2f96/reports/23e85cbd-a9c6-47ee-b59c-a162ab3b9038/overview

Verdict:

Malicious

Labled as:

MSIL.PasswordStealerA.Generic

Link:

https://www.hybrid-analysis.com/sample/3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/6b6155e0-8c84-42b0-98c3-d9df507e9055

Result

Threat name:

Blackshades, Quasar

Detection:

malicious

Classification:

rans.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1331751

Signature

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to disable the Task Manager (.Net Source)

Deletes shadow drive data (may be related to ransomware)

Found malware configuration

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

Installs a global keyboard hook

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Yara detected Blackshades RAT

Yara detected Generic Downloader

Yara detected Quasar RAT

Yara detected RansomwareGeneric

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049/

Threat name:

ByteCode-MSIL.Trojan.Quasar

Status:

Malicious

First seen:

2023-10-25 08:16:33 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 23 (95.65%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=g5snkju4zygwq7jaat355wdhfk774zqkgfaoarviezpmxcifgbeq._file

Verdict:

malicious

QuasarRAT

57372f78f979ab331a3ce1ebd9154c6eb4674db4de60c5c6b521934d7b9463ac

QuasarRAT

8bbf013e1a095f5841b572e0aadc6c3929533b2332620fa470fe5e744b828b91

QuasarRAT

9d737c768d419aed55de299a114fb8b4928d263320caa4b35c08f4c0bb3fcb88

QuasarRAT

baed3d0dbb532abea5eb01c8e65d9cd4e9eb789b901e2615f68ad9c097087e68

QuasarRAT

d8fadff5429d00e94828f23f7549ceacfce82d0d59947b2b77b45937ad2db363

QuasarRAT

+ 459 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:defender_bypass spyware trojan

Link:

https://tria.ge/reports/231025-j69vfsgb4z/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Looks up external IP address via web service

Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

burk2n.dynu.net:4782

Unpacked files

SH256 hash:

3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049

MD5 hash:

9a9f02b67e62740df4266fe4512e14a3

SHA1 hash:

4ceb681ea101e5a8ae912728408959fde8669741

Detections:

QuasarRAT

win_blackshades_w0

Link:

https://www.unpac.me/results/ce0953ff-5eeb-457c-a23a-9fb1b6a6c976/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3764d5269cce/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/3764d5269cce0d687d2004f7ded8672abffe660a3140e046a8265ecb89053049

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:	BlackShades_4 Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	BlackShades

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

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 artifcats observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_GENRansomware Create hunting rule
Author:	ditekSHen
Description:	detects command variations typically used by ransomware

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
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:	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:	Quasar_RAT_1 Create hunting rule
Author:	@SOCRadar
Description:	Detects Quasar RAT

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
Description:	Detects Quasar RAT

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:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

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_blackshades_w0 Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_

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/456194/

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