MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b. 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: 12

Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash:	baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b
SHA3-384 hash:	19816bb4a2f0de3f62938432ff4fa3557d314a46803159f3fb1d7deb80e16fbdbf6dbee24815f3538104ea32fa3a0c0d
SHA1 hash:	fab74ce9e1d66422689cbe789043d115447c72bc
MD5 hash:	ab4d404b73aeddfc318da024b177f1df
humanhash:	moon-zulu-nineteen-connecticut
File name:	bAhM.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	356'352 bytes
First seen:	2022-07-17 16:42:14 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:MzNHXf500MUMkkGRW9t8WGToSbp9IpZdst/scV+:md50/GdohGt/scV+
Threatray	349 similar samples on MalwareBazaar
TLSH	T100749D2373A8DA3FD1FD173AF43246164BB1D443B626E39B5A5855B92C133868D823B3
TrID	53.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 12.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.6% (.SCR) Windows screen saver (13101/52/3) 7.7% (.EXE) Win64 Executable (generic) (10523/12/4) 4.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter	pmelson
Tags:	exe QuasarRAT VoidRAT

Intelligence

File Origin

# of uploads :

# of downloads :

417

Origin country :

n/a

Vendor Threat Intelligence

Detection:

QuasarRAT

Link:

https://www.capesandbox.com/analysis/291378/

Detection(s):

Win.Packed.Generic-9829635-0

Win.Trojan.Generic-9829636-0

Win.Packed.Generic-9830106-0

Win.Trojan.Generic-6295765-0

Win.Malware.Generic-6623004-0

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

Creating a window

Gathering data

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/d934823f-6f7a-4c7f-95c3-ac95a1070273

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1034908

Signature

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in 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

Snort IDS alert for network traffic

Uses dynamic DNS services

Yara detected Generic Downloader

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b/

Threat name:

ByteCode-MSIL.Trojan.Quasar

Status:

Malicious

First seen:

2022-07-17 16:43:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 26 (96.15%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xl4kzmi3gdcse3lmjzc57nbfxn6fjmvzxe56lwfy3pq4cvykxgfq._file

Verdict:

malicious

QuasarRAT

810bbf258484b94bf2e51c7fba2f8a19f6aaf1137c982d2d6a97e600159c16fa

QuasarRAT

8bae1101c170b80b204b36e64940682492c28d5226d833087e28c4a5a41115e7

QuasarRAT

904a518a8c867a1fd79e963fcdd317aa9f5a76eb6964b027cb0566d4a87102d7

QuasarRAT

9cdcc531878d3a23d2da833a058efa100b91d212e4d5780cb21d5d36db0cbd01

QuasarRAT

b71d6728f8709dc2b8b6a57bbd0ea7d27e78a0ea16af5eff61b2d11f983e0129

QuasarRAT

b7f09be3bf95632ac3219b3d402a419e9bc40a54a3fc6ac1c57c183798e525fe

QuasarRAT

d4b9e53f5c6c5a187fe5c8f20c855f0e6aa938931052b80af1413b99580e3750

QuasarRAT

ee1b2c9bdba344c7fe2dc2bec7544a038ad64dbed6add636ecdd426079296c28

QuasarRAT

+ 339 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:express spyware suricata trojan

Link:

https://tria.ge/reports/220717-t78c5aeaa7/

Behaviour

Suspicious use of AdjustPrivilegeToken

Looks up external IP address via web service

Quasar RAT

Quasar payload

suricata: ET MALWARE Common RAT Connectivity Check Observed

Malware Config

C2 Extraction:

lup1ngreen.duckdns.org:1010

Unpacked files

SH256 hash:

baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b

MD5 hash:

ab4d404b73aeddfc318da024b177f1df

SHA1 hash:

fab74ce9e1d66422689cbe789043d115447c72bc

Link:

https://www.unpac.me/results/02726540-dd32-4896-97fc-d5a8698b6e6d/

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/baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b

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:	CN_disclosed_20180208_KeyLogger_1 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:	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:	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:	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
Author:	Florian Roth
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:	pe_imphash Create hunting rule

Rule name:	Quasar_RAT_1 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_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
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_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
Description:	Detects Vermin Keylogger
Reference:	https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

Rule name:	xRAT_1 Create hunting rule
Author:	Florian Roth
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.

Web download

QuasarRAT

exe baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b

(this sample)

Link

https://www.virustotal.com/gui/file/baf8acb11b30c5226d6c4e45dfb425bb7c54b2b9b93be5d8b8dbe1c1570ab98b/detection

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/291378/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample