MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519282aae605f44e961c8f3d83e6e6d191d2299fc29c97c12461f3ecf37499cd. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	519282aae605f44e961c8f3d83e6e6d191d2299fc29c97c12461f3ecf37499cd
SHA3-384 hash:	2c715f9a69207eb2a21850683abb4c220d0ed7500eb49972bb2d26142170e3b2f91b9a87bcf3e9d23baf3c8969defc07
SHA1 hash:	5aacee9c59160aa5d667da1f47c5172ed9cd7e16
MD5 hash:	30a35bb1c3b8003f941d18b567c1e2f2
humanhash:	potato-jig-yellow-michigan
File name:	SKBM 0222..exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	780'800 bytes
First seen:	2021-02-22 07:19:37 UTC
Last seen:	2021-02-22 08:41:43 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:9L3SmobZBvw86VLxG6cyVAEUD6MJlfKh9YZAgqlYlT1w:l3Sm7U6cikgh9YZA9el
Threatray	5 similar samples on MalwareBazaar
TLSH	5CF47D1162A9667CE97B67396A70400F87F37D67EA36C64F3D90318F4D72A418732B22
Reporter	abuse_ch
Tags:	exe QuasarRAT

abuse_ch

Malspam distributing unidentified malware:

HELO: static.224.7.21.65.clients.your-server.de
Sending IP: 65.21.7.224
From: Ms. Gusti Rudangga <list@t-voice.net>
Subject: Re: Quotation Request (RFQ)
Attachment: SKBM 0222..rar (contains "SKBM 0222..exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/118213/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.45768210.20711.31728.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

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.

Result

Threat name:

Unknown

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/613869

Signature

.NET source code contains potential unpacker

.NET source code contains very large strings

.NET source code references suspicious native API functions

Contains functionality to log keystrokes (.Net Source)

Injects a PE file into a foreign processes

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)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

Uses the Telegram API (likely for C&C communication)

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/519282aae605f44e961c8f3d83e6e6d191d2299fc29c97c12461f3ecf37499cd/

Threat name:

Win32.Trojan.Pwsx

Status:

Malicious

First seen:

2021-02-21 23:32:18 UTC

AV detection:

4 of 47 (8.51%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kgjifkxgax2e5fq4r46yhzxg2gi5ekm7ykojpqjemhz6z43uthgq._file

Verdict:

unknown

QuasarRAT

3522ddfe2f7474bb41cef6015aace8681c77d2c6570d0600eab409caff68a251

QuasarRAT

3a819a1cbc8d0a2f94bae5aa3545cb686763d8136a43914193f09f9e53b7c066

QuasarRAT

8baffba2ed672607e1535dcbfcc47a264e7b8941f63cf181814d7365e8627d05

QuasarRAT

b20c3245ef7cde5dc9429ef1bcef75cba906df8c09b28b29ac882f62135491a7

QuasarRAT

Result

Malware family:

n/a

Score:

7/10

Tags:

spyware

Link:

https://tria.ge/reports/210222-fgnh94b7ax/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads user/profile data of web browsers

Unpacked files

SH256 hash:

e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44

MD5 hash:

b6ce7c1d81b9271eab825ea63de154c3

SHA1 hash:

0e7b89555314f8908c1098b652c9bf50e5ecc27b

Link:

https://www.unpac.me/results/7b458318-eaaf-4f91-b24f-e69200111813/

SH256 hash:

519282aae605f44e961c8f3d83e6e6d191d2299fc29c97c12461f3ecf37499cd

MD5 hash:

30a35bb1c3b8003f941d18b567c1e2f2

SHA1 hash:

5aacee9c59160aa5d667da1f47c5172ed9cd7e16

Link:

https://www.unpac.me/results/7b458318-eaaf-4f91-b24f-e69200111813/

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

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:	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