MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98ed685e58c13887c499cef7806acfd58d771bdcf95b60d8c7604fd500a466ba. 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: 13

Intelligence 13 IOCs YARA 14 File information Comments

SHA256 hash:	98ed685e58c13887c499cef7806acfd58d771bdcf95b60d8c7604fd500a466ba
SHA3-384 hash:	f3a033142810d9450e390dde3adab33a6f87725c765497ab0dac2d81482600db1eb7791b27ef7e8ddf1893fa6c83573d
SHA1 hash:	c831e277e42db175ebd8048d581ad30b0894b8ff
MD5 hash:	0b8650214b8620cab46ec081c65240a8
humanhash:	ink-mountain-coffee-finch
File name:	0b8650214b8620cab46ec081c65240a8.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	1'085'952 bytes
First seen:	2021-08-23 17:55:13 UTC
Last seen:	2021-08-30 06:19:09 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	24576:1HhfC41BrFDRPNL5XVThfEIfyBvlelc5ww2H8p:ZhfC41BrFDRPNL5XVThfdfyBvlelPwG
Threatray	167 similar samples on MalwareBazaar
TLSH	T134352914E7E855A5F06E7F36747198050B38FE03A97DD74B2B96A0990E6A380CC72F63
Reporter	abuse_ch
Tags:	exe QuasarRAT RAT

Intelligence

File Origin

# of uploads :

# of downloads :

150

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

0b8650214b8620cab46ec081c65240a8.exe

Verdict:

Suspicious activity

Analysis date:

2021-08-23 18:00:59 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/da613741-945f-4252-a069-1b9c8048c443

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/181584/

Detection(s):

Win.Malware.Ursu-9802322-0

ditekSHen.MALWARE.Win.Trojan.NWorm.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Creating a window

Sending a UDP request

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/e310511b-0099-4bac-bcb1-9649ae3ef3e0

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/837749

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

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

Contains functionality to hide user accounts

Found malware configuration

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

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

May check the online IP address of the machine

Multi AV Scanner detection for submitted file

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

Yara detected AntiVM3

Yara detected Quasar RAT

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/98ed685e58c13887c499cef7806acfd58d771bdcf95b60d8c7604fd500a466ba/

Threat name:

ByteCode-MSIL.Trojan.ClipBanker

Status:

Malicious

First seen:

2021-08-23 14:32:35 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

36 of 46 (78.26%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=tdwwqxsyye4iprezz33ya2wp2wgxog647fnwbwghmbh5kafem25a._file

Verdict:

malicious

QuasarRAT

56a430a18e93eee6f709348fba459a6f639c032c7718806c01a6ba522dd704e6

QuasarRAT

61803de50535a38519fcfacaba6438717e7ac6e97a10348bf5c7d3a2ddc02e1d

QuasarRAT

7e7076c3ea0c14873923567195208738da17678b03c1bbc5d10a80c3570b26b3

QuasarRAT

ab59fbf0ee10b8c5428479b1f5dfdb5cfc87dd40407b3742814ab34611f32b1d

QuasarRAT

b1a8eafefad6c6c7a60f6792ee493547ffd3d2467822cc9d8ec84ac848d547cc

QuasarRAT

b26c95976936054915610598a19dabb10dd52f47b9edbdbadc079d2e91717814

QuasarRAT

bb9a1578f59d63b185023ada6c485e8b5cf9336e4b6bd3cad139d234b4f03c6d

QuasarRAT

fa0acd72e7884f09ad831fb1f9bf7231dc31c214a91b487bdcfe6fdef9e2d14d

QuasarRAT

+ 157 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:venom client

Link:

https://tria.ge/reports/210823-vjyy2ttvfj/

Behaviour

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Malware Config

C2 Extraction:

127.0.0.1:4782

Unpacked files

SH256 hash:

58a19245470e49e46e0e2cfe8f76b854afa88167b79d8b9bbd0fe6be1733efae

MD5 hash:

27dc0bc7fc83c8e98e6e65df05209f3f

SHA1 hash:

c482d848257520f683dd4a2515ae0a5ed157eb8c

Link:

https://www.unpac.me/results/6610c31c-6850-46a9-8b65-bac035acc22c/

SH256 hash:

98ed685e58c13887c499cef7806acfd58d771bdcf95b60d8c7604fd500a466ba

MD5 hash:

0b8650214b8620cab46ec081c65240a8

SHA1 hash:

c831e277e42db175ebd8048d581ad30b0894b8ff

Link:

https://www.unpac.me/results/6610c31c-6850-46a9-8b65-bac035acc22c/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/98ed685e58c1/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/98ed685e58c13887c499cef7806acfd58d771bdcf95b60d8c7604fd500a466ba

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:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features

Rule name:	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding command execution via IExecuteCommand COM object

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCMD Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

Rule name:	MALWARE_Win_DLAgent09 Create hunting rule
Author:	ditekSHen
Description:	Detects known downloader agent

Rule name:	MALWARE_Win_DLAgent10 Create hunting rule
Author:	ditekSHen
Description:	Detects known downloader agent

Rule name:	MALWARE_Win_QuasarRAT Create hunting rule
Author:	ditekSHen
Description:	QuasarRAT payload

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
Author:	Florian Roth
Description:	Detects QuasarRAT malware
Reference:	https://blog.ensilo.com/uncovering-new-activity-by-apt10

Rule name:	pe_imphash Create hunting rule

Rule name:	pe_imphash Create hunting rule

Rule name:	Quasar Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect QuasarRAT in memory

Rule name:	RDPWrap Create hunting rule
Author:	@bartblaze
Description:	Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:	https://github.com/stascorp/rdpwrap