MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a5563d6a39f3753b0f18c7abcdb4a9a4fefa7ddef33e3758a51797ad72ed804. 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:	5a5563d6a39f3753b0f18c7abcdb4a9a4fefa7ddef33e3758a51797ad72ed804
SHA3-384 hash:	80a6a68784a7b263c6ecb89b4486db3c5f6ba5c79b8c56c50f34ecb399dcb9c0b30097603edaaf7abf63a98026db3bdb
SHA1 hash:	651b43634bc5233b486e67ce13095fbdd8ccbe12
MD5 hash:	e762f388b8bc44a3fa8c080bdb690805
humanhash:	twelve-ack-mockingbird-yellow
File name:	PPDF-110820.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	470'016 bytes
First seen:	2020-08-11 12:27:16 UTC
Last seen:	2020-08-11 14:22:04 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	6144:sEAxcla4QxR53oxL4XUhaVz/WUTQcaCvL02m3y6XIF:sEGclpQ54xLf69/vLqy6XIF
Threatray	109 similar samples on MalwareBazaar
TLSH	FDA47C03A96C89B2EF39A33D41010CC992F14C5D56D8F61A5BBABD7CC93D5224E1F92E
Reporter	abuse_ch
Tags:	AsyncRAT exe nVpn RAT

abuse_ch

Malspam distributing AsyncRAT:

HELO: bleuline.it
Sending IP: 185.136.167.185
From: Michela Luriani <michela.lurianl@bleuline.it >
Subject: Bleuline Limited'den Qouation Sorgusu
Attachment: PPDF-110820.iso (contains "PPDF-110820.exe")

AsyncRAT C2:
185.165.153.32:8824

Hosted on nVpn:

% Information related to '185.165.153.0 - 185.165.153.255'

% Abuse contact for '185.165.153.0 - 185.165.153.255' is 'abuse@privacyfirst.sh'

inetnum: 185.165.153.0 - 185.165.153.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-EU2
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-18T12:14:26Z
last-modified: 2020-07-28T20:37:37Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AsyncRat

Link:

https://www.capesandbox.com/analysis/43352/

Detection(s):

SecuriteInfo.com.Fareit-FYEE762F388B8BC.21179.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/418807

Signature

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

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

Machine Learning detection for sample

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

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 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/5a5563d6a39f3753b0f18c7abcdb4a9a4fefa7ddef33e3758a51797ad72ed804/

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-08-11 12:29:06 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ljkwhvvdt43vhmhrrr5lzw2ktjh67j6554z6g5mkkf4xvvzo3aca._file

Verdict:

unknown

Result

Malware family:

asyncrat

Score:

10/10

Tags:

rat family:asyncrat evasion

Link:

https://tria.ge/reports/200811-dwbfxjbrg6/

Behaviour

Creates scheduled task(s)

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Legitimate hosting services abused for malware hosting/C2

Maps connected drives based on registry

Checks BIOS information in registry

Looks for VMWare Tools registry key

Async RAT payload

Looks for VirtualBox Guest Additions in registry

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/5a5563d6a39f3753b0f18c7abcdb4a9a4fefa7ddef33e3758a51797ad72ed804

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.