MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51. 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: 15

Intelligence 15 IOCs YARA 21 File information Comments

SHA256 hash:	94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51
SHA3-384 hash:	f120350d6e55a2f20cc774ce37e2371538d798cb0a72b10c008f535d56aebc6f6e664ab41a2a2d5d9a0b78bab4b6cf07
SHA1 hash:	0059ac4a100a467d6853a7b1a7f0002056ccbeb4
MD5 hash:	114dca2f9cbdfd0bdddb50737b3ca5c8
humanhash:	johnny-arkansas-blue-north
File name:	114dca2f9cbdfd0bdddb50737b3ca5c8.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	63'488 bytes
First seen:	2024-04-15 01:40:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	1536:rzSx0rLwwrpvIxG5hOb7XBLsnlBtaVnkZqYxbx:rzSx0PFru2Ob7OnlBkkZzZx
TLSH	T1995308003FF99525F2BE5B75ADF2614446B9F5632A02D94E1CD4228A0A33BC59E01BFF
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	abuse_ch
Tags:	AsyncRAT exe RAT

abuse_ch

AsyncRAT C2:
94.130.130.51:1919

Intelligence

File Origin

# of uploads :

# of downloads :

461

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51.exe

Verdict:

Malicious activity

Analysis date:

2024-04-15 01:40:27 UTC

Tags:

asyncrat rat remote

Link:

https://app.any.run/tasks/b02ac948-6476-4d81-a087-9a87a91bff4d

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Setting a global event handler for the keyboard

Verdict:

Malicious

Labled as:

AsyncRAT.Marte.B.Generic

Link:

https://www.hybrid-analysis.com/sample/94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51

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/199325ec-5e4c-4d8c-82e1-e57bf8b20a70

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1425891

Signature

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

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/94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-04-09 06:58:00 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=squctgnccsqhdx33ww6apg2zmhovpma3ejy4bkxucvizx4akdziq._file

Verdict:

malicious

Label(s):

asyncrat

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:rbxfpsevnoexec rat spyware stealer

Link:

https://tria.ge/reports/240415-b34j9sbc35/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Reads user/profile data of web browsers

AsyncRat

Malware Config

C2 Extraction:

websites.vpndns.net:1919
websites.vpndns.net:1818

Unpacked files

SH256 hash:

94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51

MD5 hash:

114dca2f9cbdfd0bdddb50737b3ca5c8

SHA1 hash:

0059ac4a100a467d6853a7b1a7f0002056ccbeb4

Detections:

AsyncRAT

win_asyncrat_w0

Link:

https://www.unpac.me/results/de2c25eb-fcec-4db7-ab4c-075bcafd2ab1/

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/94282999a214a071df7bb5bc079b5961dd57b01b2271c0aaf415519bf00a1e51

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

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

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:	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:	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.

No further information available

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

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