MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f28fd2c56f0bb9501f62fa64c71f6475d7cca2ee1908e097febdfc5516358ed. 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: 4

Intelligence 4 IOCs YARA 1 File information Comments

SHA256 hash:	3f28fd2c56f0bb9501f62fa64c71f6475d7cca2ee1908e097febdfc5516358ed
SHA3-384 hash:	9540cf3ea4929c607b81631f124157f59f04fa74e072af8b78044dc00f43506ef43a322c38834e6bc9687c1cce2b77a0
SHA1 hash:	3a1ab22bc6c965599c49ef5b87a23362b34c981a
MD5 hash:	5b73007cbdbcf1af52ca4769bcbc0f16
humanhash:	foxtrot-west-diet-arkansas
File name:	doc.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	351'232 bytes
First seen:	2020-07-10 17:24:35 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	3072:5dsFIE4KQt3yTmcsbqfht6JuaDoOpCitFNMM:5SFMKQtHcsbuy8JO8itF
Threatray	540 similar samples on MalwareBazaar
TLSH	7474D503A9AC84BAEF39933D40050CC591F45C9D12CAB29A07B9BD3DC93D9625E1FD6E
Reporter	abuse_ch
Tags:	AsyncRAT exe geo nVpn RAT SWE

abuse_ch

Malspam distributing AsyncRAT:

HELO: dedicated.fco.pt
Sending IP: 151.236.46.67
From: PostNord AB <notices@postnord.se>
Subject: Ditt paket från Lucas har anlänt till vårt kontor.
Attachment: doc.iso (contains "doc.exe")

AsyncRAT C2 paste:
https://pastebin.com/raw/eeJq8Ku6

AsyncRAT C2:
194.5.98.8:8824

Hosted on nVpn.

% Information related to '194.5.98.0 - 194.5.98.255'

% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@inter-cloud.tech'

inetnum: 194.5.98.0 - 194.5.98.255
netname: Privacy_Online
descr: Longyearbyen, Svalbard und Jan Mayen
country: SJ
admin-c: RA9926-RIPE
tech-c: RA9926-RIPE
org: ORG-NFAS6-RIPE
status: ASSIGNED PA
mnt-by: inter-cloud-mnt
created: 2019-04-26T16:42:54Z
last-modified: 2020-03-13T23:11:55Z
source: RIPE

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 %temp% directory

Running batch commands

Launching a process

Creating a file in the %AppData% directory

Creating a process from a recently created file

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

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3f28fd2c56f0bb9501f62fa64c71f6475d7cca2ee1908e097febdfc5516358ed/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-10 00:44:33 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=h4up2lcw6c5zkapwf6tey4pwi5oxzsro4gii4cl75pp4kuldldwq._file

Verdict:

suspicious

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/200710-57mq4hq5zn/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Program crash

Suspicious use of SetThreadContext

Legitimate hosting services abused for malware hosting/C2

Adds Run entry to start application

Loads dropped DLL

Executes dropped 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.