MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ced69a3c6796be12a0433300b9935b4c63fe4817b0830e1965b07fffaa360df. 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: 14

Intelligence 14 IOCs YARA 8 File information Comments

SHA256 hash:	8ced69a3c6796be12a0433300b9935b4c63fe4817b0830e1965b07fffaa360df
SHA3-384 hash:	e25d26b9c1d80131650095367f4b7fb00a563e1c701f9e286fe4867cf0d92aa07028ebce298983e0029efe37036fa286
SHA1 hash:	12ae32535f3341bc02bc4d20c79bf63532e9e533
MD5 hash:	67d8c7e9e7bedfef96659f382623ee45
humanhash:	north-emma-emma-stairway
File name:	yenidds1.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	1'459'712 bytes
First seen:	2023-05-19 00:20:06 UTC
Last seen:	2023-05-20 15:32:07 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	24576:HLENwgVrRdQugbzw2f0tgDSmo54/zoGhhMs8IMIubqC3+o+BD:HgNRqzESGcLowb8xIMhOo+
Threatray	135 similar samples on MalwareBazaar
TLSH	T1466533520C8C80DDF6EC71BF05E9EDA36231ED648916661831E369277839FBB31E9361
TrID	52.9% (.EXE) Win32 Executable (generic) (4505/5/1) 23.5% (.EXE) Generic Win/DOS Executable (2002/3) 23.5% (.EXE) DOS Executable Generic (2000/1)
Reporter	Chainskilabs
Tags:	AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

288

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

yenidds1.exe

Verdict:

Malicious activity

Analysis date:

2023-05-18 12:54:33 UTC

Tags:

trojan rat asyncrat

Link:

https://app.any.run/tasks/e41ec253-3074-4e46-80e6-36955591d770

Note:

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

Detection(s):

SecuriteInfo.com.TScope.Malware-Cryptor.SB.8918.29390.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/6466c0ee295c010ae7f6d19f/reports/52500bcd-3604-4643-8789-be125916d305/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/8ced69a3c6796be12a0433300b9935b4c63fe4817b0830e1965b07fffaa360df

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.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/fa11a388-a0ed-4a31-9d40-91a49afd87ee

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1236562

Signature

Antivirus / Scanner detection for submitted sample

Detected unpacking (changes PE section rights)

Found malware configuration

Hides threads from debuggers

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

PE file contains section with special chars

Snort IDS alert for network traffic

Tries to detect sandboxes / dynamic malware analysis system (registry check)

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

Tries to detect sandboxes and other dynamic analysis tools (window names)

Tries to detect virtualization through RDTSC time measurements

Tries to evade debugger and weak emulator (self modifying code)

Tries to harvest and steal browser information (history, passwords, etc)

Yara detected AsyncRAT

Yara detected BrowserPasswordDump

Yara detected Costura Assembly Loader

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8ced69a3c6796be12a0433300b9935b4c63fe4817b0830e1965b07fffaa360df/

Threat name:

Win32.Backdoor.AsyncRAT

Status:

Suspicious

First seen:

2023-05-19 00:21:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rtwwti6gpfv6ckqegmyaxgjvwtdd7zebpmedbymwlmd776vdmdpq._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default evasion rat spyware stealer

Link:

https://tria.ge/reports/230519-anbp9sec37/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of NtSetInformationThreadHideFromDebugger

Checks BIOS information in registry

Identifies Wine through registry keys

Reads user/profile data of web browsers

Async RAT payload

Identifies VirtualBox via ACPI registry values (likely anti-VM)

AsyncRat

Malware Config

C2 Extraction:

45.155.124.149:9999

Unpacked files

SH256 hash:

8ced69a3c6796be12a0433300b9935b4c63fe4817b0830e1965b07fffaa360df

MD5 hash:

67d8c7e9e7bedfef96659f382623ee45

SHA1 hash:

12ae32535f3341bc02bc4d20c79bf63532e9e533

Link:

https://www.unpac.me/results/03b37287-705f-49c8-b9c5-7f9558c036be/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8ced69a3c679/report/overview.html

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/8ced69a3c6796be12a0433300b9935b4c63fe4817b0830e1965b07fffaa360df

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:	kevoreilly, JPCERT/CC Incident Response Group
Description:	AsyncRat Payload

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

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

Rule name:	msil_suspicious_use_of_strreverse Create hunting rule
Author:	dr4k0nia
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse

Rule name:	pe_imphash Create hunting rule

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.

any.run

https://app.any.run/tasks/e41ec253-3074-4e46-80e6-36955591d770/#

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