MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c6691284d3f112164495837a9ab60cb93c7024ed83bde12e793790dbf780bbb. 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: 11

Intelligence 11 IOCs 1 YARA 7 File information Comments 1

SHA256 hash:	1c6691284d3f112164495837a9ab60cb93c7024ed83bde12e793790dbf780bbb
SHA3-384 hash:	6e95f3fbeff0a46f5c5c39b20c6acb7a9c6cfbf1e70ac2ab2c2a222d03b3a437c007c8f1ae60ad4be814638a46540f0f
SHA1 hash:	aeadae1b7538befc67e9893770175d10bec55c32
MD5 hash:	8b381b7fed3980eb5f8278f38e4e843e
humanhash:	maine-venus-earth-lemon
File name:	8b381b7fed3980eb5f8278f38e4e843e.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	1'419'264 bytes
First seen:	2021-05-14 05:35:44 UTC
Last seen:	2021-05-14 06:46:34 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'795 x AgentTesla, 19'693 x Formbook, 12'274 x SnakeKeylogger)
ssdeep	24576:1tA6R1W/3nE5rpKK1oLAzW9V62rKgLqs2odn3:19R1ispKpIOZ
Threatray	811 similar samples on MalwareBazaar
TLSH	0D65C2AC321075EEC577CDA29BD91C24E61020BA571FD203972303F99A9EE97DF245E2
Reporter	abuse_ch
Tags:	AsyncRAT exe RAT

abuse_ch

AsyncRAT C2:
198.46.177.119:6606

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
198.46.177.119:6606	https://threatfox.abuse.ch/ioc/40747/

Intelligence

File Origin

# of uploads :

# of downloads :

107

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

8b381b7fed3980eb5f8278f38e4e843e.exe

Verdict:

Malicious activity

Analysis date:

2021-05-14 05:37:24 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/e182e1f7-3fe9-4a4f-a0a6-3b70a86b1014

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/156396/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.46266306.1721.30834.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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

Connection attempt

Using the Windows Management Instrumentation requests

Sending a TCP request to an infection source

Enabling autorun by creating a file

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/781579

Signature

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

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

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

Yara detected AntiVM3

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/1c6691284d3f112164495837a9ab60cb93c7024ed83bde12e793790dbf780bbb/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2021-05-09 01:39:15 UTC

AV detection:

20 of 29 (68.97%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=drtjckcnh4isczcjla32tk3azoj4oaso3a554exhsn4q3p3ybo5q._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat rat

Link:

https://tria.ge/reports/210514-sl78k67aje/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Async RAT payload

AsyncRat

Malware Config

C2 Extraction:

198.46.177.119:6606
198.46.177.119:7707
198.46.177.119:8808
198.46.177.119:3480
127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
127.0.0.1:3480
:6606
:7707
:8808
:3480

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/1c6691284d3f112164495837a9ab60cb93c7024ed83bde12e793790dbf780bbb

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.

Rule name:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	pe_imphash Create hunting rule

Rule name:	Reverse_text_bin_mem Create hunting rule
Author:	James_inthe_box
Description:	Reverse text detected

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	win_asyncrat_j1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/156396/

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-14 06:10:36 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [C0026.002] Data Micro-objective::XOR::Encode Data