MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eb54edf9f899c0b0aac1f6416e067285f46c520e5fcad56f6f76a4a01404d264. 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

AsyncRAT

Vendor detections: 8

Intelligence 8 IOCs YARA 1 File information Comments

SHA256 hash:	eb54edf9f899c0b0aac1f6416e067285f46c520e5fcad56f6f76a4a01404d264
SHA3-384 hash:	99af1d3892e4104b340080e3c2e02f278bc53587bc79f9995142328d67565e1969551d1b703ef5d32ac889cdf20ee472
SHA1 hash:	d644c5df573ca67b5e123d9bbaae03fca2a8f27d
MD5 hash:	4a5d59b94e3e434a2ddeaa47cb036913
humanhash:	robert-fifteen-venus-robin
File name:	Doc#66202009475352576503588.pdf.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	268'288 bytes
First seen:	2020-08-08 08:02:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep	6144:Fh9sh9hRa3ctP5HwwYecYXSUaNN3qw9JMSp4hrHcro7:mh9hREiH5YzYXS133qwrMSp2Ko7
Threatray	681 similar samples on MalwareBazaar
TLSH	50448E3C73749C10C2AE5939DCDB5118036DEC1326F7EB2BAD5E2249659A3D39C05BCA
Reporter	abuse_ch
Tags:	AsyncRAT exe RAT

abuse_ch

Malspam distributing AsyncRAT:

HELO: 2wed.w.serverhost.name
Sending IP: 80.209.230.62
From: Purchasing Dept <purchase@arabico.ae>
Subject: URGENT QUOTATION - arabico company dubai
Attachment: Doc66202009475352576503588.pdf.zip (contains "Doc#66202009475352576503588.pdf.exe")

AsyncRAT C2:
185.157.162.81:9980

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AsyncRat

Link:

https://www.capesandbox.com/analysis/42049/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Creating a file

DNS request

Sending a custom TCP request

Connection attempt

Enabling autorun by creating a file

Unauthorized injection to a system process

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/415692

Signature

.NET source code references suspicious native API functions

Allocates memory in foreign processes

Connects to a pastebin service (likely for C&C)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Sigma detected: Scheduled temp file as task from temp location

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

Uses an obfuscated file name to hide its real file extension (double extension)

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected AntiVM_3

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/eb54edf9f899c0b0aac1f6416e067285f46c520e5fcad56f6f76a4a01404d264/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-08 08:04:06 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5nko36pythalbkwb6zaw4btsqx2gyuqol7fnk33po2skafae2jsa._file

Verdict:

suspicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

rat family:asyncrat

Link:

https://tria.ge/reports/200808-qsgjvan1r6/

Behaviour

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Legitimate hosting services abused for malware hosting/C2

Async RAT payload

AsyncRat

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/eb54edf9f899c0b0aac1f6416e067285f46c520e5fcad56f6f76a4a01404d264

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.