MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b05af3b65673a21e658075117c050ce9ebdf47634b64e354a6abf241fc8e8a9e. 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:	b05af3b65673a21e658075117c050ce9ebdf47634b64e354a6abf241fc8e8a9e
SHA3-384 hash:	d2af5c7a2b3ca86bca6c73fbce45cf143cc9bff8c3855e17711d251c2f017a2c19753a4d0eca25d152913ae8bf8a67b8
SHA1 hash:	a70e9310bf6bd033710321e1dfe77d3377237c36
MD5 hash:	981ee0bdf8ccd8ecaba13eefa6c58fb9
humanhash:	early-butter-mexico-table
File name:	PO1807200020_XLS.scr
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	277'504 bytes
First seen:	2020-07-21 07:37:25 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	3072:0EvpcbU0wF8KglZhfdV2zeyDY7KjZoR6Q0f65/DNjIPw2TAysI:GllZ5T2yy0cQ0i5bNjowKs
Threatray	337 similar samples on MalwareBazaar
TLSH	D644BF44965DB134F1EEBEF92165509013B12D93A076D3378DB6728909BBBA3CEC234E
Reporter	abuse_ch
Tags:	AsyncRAT RAT scr

abuse_ch

Malspam distributing AsyncRAT:

HELO: whm01.esicia.com
Sending IP: 197.243.0.60
From: Isaac Harerimana <isaach@cbytes.co.rw>
Subject: Remittance update
Attachment: PO1807200020_XLS.z (contains "PO1807200020_XLS.scr")

AsyncRAT C2:
82.102.28.107:62727

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Unauthorized injection to a recently created process

Using the Windows Management Instrumentation requests

Connection attempt

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b05af3b65673a21e658075117c050ce9ebdf47634b64e354a6abf241fc8e8a9e/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-21 07:39:05 UTC

AV detection:

20 of 29 (68.97%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wbnphnswoorb4zmaouixybim5hv56r3djnsogvfgvpzed7eorkpa._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

persistence rat family:asyncrat

Link:

https://tria.ge/reports/200721-1egk6b1z9n/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

AsyncRat

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

Threat name:

Unknown

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b05af3b65673a21e658075117c050ce9ebdf47634b64e354a6abf241fc8e8a9e

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.