MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da0c905ab56f598c50573495085657b80b76557d12f9416fd4a4a96632a000e1. 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: 3

Intelligence 3 IOCs YARA 1 File information Comments

SHA256 hash:	da0c905ab56f598c50573495085657b80b76557d12f9416fd4a4a96632a000e1
SHA3-384 hash:	90b10320cffac6883ac8813b0a45dbd818999f6ee4654ed83e4276bca72a7e553a3a4fde7ae9c7e67eadec1454b9d051
SHA1 hash:	6c2da0e0d56ded5a60a730b73d594daad2589df4
MD5 hash:	189e06080fe992c703693f9bb359e79c
humanhash:	beer-blossom-mockingbird-social
File name:	PO-78557.xlsm
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	421'639 bytes
First seen:	2020-06-02 10:37:18 UTC
Last seen:	Never
File type:	xlsm
MIME type:	application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep	12288:549w8fyunGthwu8kxPthZugvq4jzjSGUueM:549b7AhFxPthZnvL3tv
TLSH	8694233B9258BE9EC6F3EE7D89019AE7631793CD33857DB6685C8888065F12EC071D81
Reporter	abuse_ch
Tags:	QuasarRAT RAT xlsm

abuse_ch

Malspam distributing QuasarRAT:

HELO: mail.anyg.rs
Sending IP: 212.200.108.195
From: Ahmed Hassan <incolab_egypt@link.net>
Reply-To: incolab_egypt@link.net
Subject: Re:PO-78557
Attachment: PO-78557.xlsm

QuasarRAT payload URL:
https://www.myboxofficebox.com/ddmw.exe

QuasarRAT C2:
77.247.127.107:52419

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Xls.Malware.Sload-7135989-0

TwinWave.EvilDoc.DOCXSTRGOOD..EXE.200225.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.SHELL.APPLICATION.200225.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.POWERSHELL.200302.UNOFFICIAL

TwinWave.EvilDoc.DOCXRSTRGOOD.NEW-OBJECT.200322.UNOFFICIAL

Gathering data

Threat name:

Document-Excel.Downloader.Negasteal

Status:

Malicious

First seen:

2020-06-02 15:02:29 UTC

AV detection:

15 of 48 (31.25%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3igjawvvn5myyucxgskqqvsxxafxmvl5cl4uc36uusuwmmvaadqq._file

Result

Malware family:

n/a

Score:

10/10

Tags:

n/a

Link:

https://tria.ge/reports/201109-9bgqelswpx/

Behaviour

Enumerates system info in registry

Modifies Internet Explorer settings

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

Office loads VBA resources, possible macro or embedded object present

Blacklisted process makes network request

Process spawned unexpected child process

Malware Config

Dropper Extraction:

https://www.myboxofficebox.com/ddmw.exe

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.