MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1afcbbd219edc56641787aee26420e55a8ab7f088dc900a146361733698c6da. 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: 7

Intelligence 7 IOCs YARA 12 File information Comments

SHA256 hash:	f1afcbbd219edc56641787aee26420e55a8ab7f088dc900a146361733698c6da
SHA3-384 hash:	228a8beb8c8f2c4247bb6f181f0dd4de69fda2aed3379c5989dd410c62a54ed35cf87558793455f7a96c0d35de66df30
SHA1 hash:	ab608baea3bd30fdd3fa0192dee50108b82121aa
MD5 hash:	00405da36048db300f448cef7dd3530c
humanhash:	butter-bluebird-happy-sweet
File name:	QQ55.vbs
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'607 bytes
First seen:	2020-12-24 08:11:45 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	48:rd6JNwRaC8xemWL99X5P+s4NqooAxSUw/lLM32r:g4RaJx7WLPXSNqooAxSUw/lLM32r
TLSH	797170C057D0B914E89E108DFE8EA5EAB25C1C3D64C8A05CE89DC8C4363FE1763D6762
Reporter	abuse_ch
Tags:	Charter QuasarRAT RAT vbs

abuse_ch

Malspam distributing QuasarRAT:

HELO: p-impout010fwd.msg.pkvw.co.charter.net
Sending IP: 47.43.26.175
From: TheBill <Invoice8@Maiil.housesbill.com>
Subject: Your Payment Is Being Processed.
Attachment: QQ55.ISO (contains "QQ55.vbs")

QuasarRAT payload URL:
https://voicetechpodcast.com/wp-admin/images/img.jpg

QuasarRAT C2:
aptzebi.myq-see.com:5552 (34.122.34.76)

Intelligence

File Origin

# of uploads :

# of downloads :

709

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/109300/

Detection(s):

SecuriteInfo.com.BehavesLike.VBS.Dropper.zv.23925.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Sending a custom TCP request

Creating a file

Using the Windows Management Instrumentation requests

Sending an HTTP GET request

Sending a UDP request

Creating a window

Launching a process

Creating a process with a hidden window

Creating a file in the %AppData% subdirectories

Unauthorized injection to a system process

Enabling autorun by creating a file

Result

Verdict:

SUSPICIOUS

Result

Threat name:

Unknown

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/569611

Signature

Sigma detected: Powershell download and load assembly

VBScript performs obfuscated calls to suspicious functions

Wscript starts Powershell (via cmd or directly)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f1afcbbd219edc56641787aee26420e55a8ab7f088dc900a146361733698c6da/

Threat name:

Script-WScript.Trojan.Heuristic

Status:

Malicious

First seen:

2020-12-24 08:12:06 UTC

AV detection:

5 of 29 (17.24%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6gx4xpjbt3ofmzaxq6xoezba4vnivn7qrdojacqumnqxgnuyy3na._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://tria.ge/reports/201224-hrc8wj6z6j/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of SetThreadContext

Looks up external IP address via web service

Drops startup file

Blocklisted process makes network request

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/f1afcbbd219edc56641787aee26420e55a8ab7f088dc900a146361733698c6da

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:	Chrome_stealer_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Chrome in files like avemaria

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:	Keylog_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Contains Keylog

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:	MSILStealer Create hunting rule
Author:	https://github.com/hwvs
Description:	Detects strings from C#/VB Stealers and QuasarRat
Reference:	https://github.com/quasar/QuasarRAT

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

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_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:	Select_from_enumeration Create hunting rule
Author:	James_inthe_box
Description:	IP and port combo

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/