MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e. 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: 18

Intelligence 18 IOCs YARA 28 File information Comments 1

SHA256 hash:	50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e
SHA3-384 hash:	084d740bf1fd5c3188297e39dba65b1f25f25af01a0cdb6868ad12489076b569b4abdd4255386fca09f8bf9e9407b3bf
SHA1 hash:	871c9002a7d53530ef4db4a7130adfa543de6a88
MD5 hash:	278d86f7b656fb8b1a901b2eea6fddfa
humanhash:	early-low-india-five
File name:	278d86f7b656fb8b1a901b2eea6fddfa
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	46'080 bytes
First seen:	2024-08-04 12:50:06 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	768:huk0VT3ongoWU2Gjimo2qrgKjPGaG6PIyzjbFgX3ivYESIfQlvBDZCx:huk0VT3Q+25KTkDy3bCXSvYkfQlZdCx
TLSH	T163230A003BE8822BF2BE4B789CF25245867AF1A76603D54D1CC451DB5B13FC69A426FE
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	zbetcheckin
Tags:	32 AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

329

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

278d86f7b656fb8b1a901b2eea6fddfa.exe

Verdict:

Malicious activity

Analysis date:

2024-08-04 12:54:12 UTC

Tags:

asyncrat

Link:

https://app.any.run/tasks/7fdff2b6-7238-4e5e-81e2-bb514c63e119

Note:

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

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66af7939b7a04efc7439d71a

Tags:

Network Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat config-extracted lolbin njrat reg schtasks vbnet

Link:

https://www.filescan.io/uploads/66af7937b67cf38542c3a377/reports/099fa460-373d-41bb-bfe2-ff6421206fdc/overview

Verdict:

Malicious

Labled as:

Trojan.Agent

Link:

https://www.hybrid-analysis.com/sample/50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e

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:

Malicious

Link:

https://analyze.intezer.com/analyses/dd9676ff-0dd0-433c-9d23-fbffe60c8ae0

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1487527

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Connects to many ports of the same IP (likely port scanning)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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

Yara detected AsyncRAT

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRat

Status:

Malicious

First seen:

2024-08-04 12:08:40 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=kdhbmscenbejfvux6fv4dfgyfba6jqnzkfqj2ev4e3flrmbidexa._file

Verdict:

malicious

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default discovery rat

Link:

https://tria.ge/reports/240804-p3gx6avhnr/

Behaviour

System Location Discovery: System Language Discovery

Legitimate hosting services abused for malware hosting/C2

AsyncRat

Malware Config

C2 Extraction:

6.tcp.ngrok.io:13280

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/9d9c216d-dae4-4fb8-a983-0fb5fcfc04f5

Unpacked files

SH256 hash:

50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e

MD5 hash:

278d86f7b656fb8b1a901b2eea6fddfa

SHA1 hash:

871c9002a7d53530ef4db4a7130adfa543de6a88

Detections:

AsyncRAT

win_asyncrat_w0

asyncrat

Link:

https://www.unpac.me/results/fb235fc8-c759-40cc-8b59-c5d82f4dd654/

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e

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:	AsyncRat Create hunting rule
Author:	kevoreilly, JPCERT/CC Incident Response Group
Description:	AsyncRat Payload

Rule name:	asyncrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	malware_asyncrat Create hunting rule
Description:	detect AsyncRat in memory
Reference:	https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Mal_WIN_AsyncRat_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.

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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

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

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	SUSP_Reverse_Run_Key Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects a Reversed Run Key

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Asyncrat_11a11ba1 Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_bytecodes Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

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

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

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.

Web download

AsyncRAT

exe 50ce164844684892d697f16bc194d82841e4c1b951609d12bc26cab8b028192e

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3088263/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

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zbet commented on 2024-08-04 12:50:07 UTC

url : hxxp://185.216.214.218/AsyncClient.exe