MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 33e5803e360f1d0bd569f6033bd55fdb787b263dd334bb0a7c110fb8cf4d9ded. 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: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	33e5803e360f1d0bd569f6033bd55fdb787b263dd334bb0a7c110fb8cf4d9ded
SHA3-384 hash:	00a03d5b4354ee75cb8f2e8006d2acce4517dd60027ca9f916971c953b1280a66788b97e05cbf552db95ff542fa95437
SHA1 hash:	c29e281d80993bda35488683d94078ae3c53823c
MD5 hash:	c2e83af74aff3e96f47381c5b8d3fe20
humanhash:	five-cat-foxtrot-cola
File name:	PROOF OF PAYMENT3.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	364'544 bytes
First seen:	2020-09-02 06:21:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	6144:m5rW4I/0AFBXrC8HPiXBBs7kFuAEvnB0tCs1GUCKWzCO/pjcFJmFGiun:NdMCrC8HPMoAEBJUnlO/aFJr
Threatray	318 similar samples on MalwareBazaar
TLSH	C574F11136BD5B63CDFA8BF8105A715147B1282BD161E76E4EC210CF2AE3B508B2AF47
Reporter	abuse_ch
Tags:	AsyncRAT exe nVpn RAT

abuse_ch

Malspam distributing AsyncRAT:

HELO: slot0.ndmpef.ml
Sending IP: 104.168.159.191
From: heather@imtoosexy.com
Reply-To: hjfanels@gmail.com
Subject: PROOF OF PAYMENT
Attachment: IMG 4367771.tar (contains "PROOF OF PAYMENT3.exe")

AsyncRAT C2:
ansrt.duckdns.org:2190 (91.193.75.28)

Pointing to nVpn:

% Information related to '91.193.75.0 - 91.193.75.255'

% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@privacyfirst.sh'

inetnum: 91.193.75.0 - 91.193.75.255
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-RU2
country: RU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
abuse-c: ACRO34258-RIPE
mnt-by: PRIVACYFIRST-MNT
mnt-by: RIPE-NCC-END-MNT
org: ORG-KHd1-RIPE
sponsoring-org: ORG-MW1-RIPE
status: ASSIGNED PI
created: 2012-06-04T11:05:55Z
last-modified: 2020-09-01T19:46:40Z
source: RIPE

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/54209/

Detection(s):

SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Launching a service

Sending a TCP request to an infection source

Enabling autorun by creating a file

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/457209

Signature

.NET source code contains potential unpacker

Executable has a suspicious name (potential lure to open the executable)

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

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sigma detected: Scheduled temp file as task from temp location

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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

Uses dynamic DNS services

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

Yara detected AntiVM_3

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/33e5803e360f1d0bd569f6033bd55fdb787b263dd334bb0a7c110fb8cf4d9ded/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-09-02 05:56:09 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gpsyaprwb4oqxvlj6ybtxvk73n4hwjr52m2lwct4ceh3rt2ntxwq._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

rat family:asyncrat persistence

Link:

https://tria.ge/reports/200902-twmvkrrj3x/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies service

Suspicious use of SetThreadContext

AsyncRat

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

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/33e5803e360f1d0bd569f6033bd55fdb787b263dd334bb0a7c110fb8cf4d9ded

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.