MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98. 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: 19

Intelligence 19 IOCs 2 YARA 23 File information Comments 1

SHA256 hash:	62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98
SHA3-384 hash:	9c16bf85cf22ed34df6eb71f6885e8d0b21dec441cb3845ff52b1170a53ec6beb9f842e4248f28282a1bb90d08098649
SHA1 hash:	17cab3ae528d133d8f01bd8ef63b1a92f5cb23da
MD5 hash:	5855063b0ae049847b1d9eeced51a17b
humanhash:	triple-oklahoma-beer-stairway
File name:	333.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	66'560 bytes
First seen:	2025-01-20 08:15:55 UTC
Last seen:	2025-01-20 09:50:37 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'492 x Formbook, 12'212 x SnakeKeylogger)
ssdeep	1536:VjTDKqibq1iqHNTcNbRn8smHeC403WAx:VjTDKqibq1iqH6NbRnyt39x
TLSH	T133531A103BE98125F2FE9F746DF661940AB9F5676906C50E1CD441CA0B22FC68A42BFF
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	lontze7
Tags:	AsyncRAT exe

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
163.172.125.253:800	https://threatfox.abuse.ch/ioc/1342343/
163.172.125.253:333	https://threatfox.abuse.ch/ioc/1388705/

Intelligence

File Origin

# of uploads :

# of downloads :

395

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

333.exe

Verdict:

Malicious activity

Analysis date:

2025-01-20 08:19:59 UTC

Tags:

asyncrat crypto-regex rat remote stealer

Link:

https://app.any.run/tasks/8c3076a4-48b0-4f9d-a1a0-51ba24553842

Note:

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

Detection(s):

Win.Packed.Razy-9625918-0

Win.Packed.AsyncRAT-9861056-1

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=678e2e04e708b6e7a3ad917a

Tags:

asyncrat autorun

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

Creating a window

Using the Windows Management Instrumentation requests

Launching a process

Running batch commands

Creating a file

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a process with a hidden window

Setting a global event handler for the keyboard

Launching a tool to kill processes

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat lolbin obfuscated obfuscated reg schtasks vbnet

Link:

https://www.filescan.io/uploads/678e064d886a7f86a8cd388a/reports/ed943411-ae23-41f0-b30c-a2a14d91988c/overview

Verdict:

Malicious

Labled as:

Trojan.Mardom.MN.Generic

Link:

https://www.hybrid-analysis.com/sample/62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98

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/4f823ee6-1964-4ead-b54f-41c03711a566

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1594957

Signature

.NET source code contains potential unpacker

.NET source code references suspicious native API functions

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Bypasses PowerShell execution policy

Found malware configuration

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

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Sigma detected: Potentially Suspicious PowerShell Child Processes

Sigma detected: Powerup Write Hijack DLL

Sigma detected: Suspicious Script Execution From Temp Folder

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious powershell command line found

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

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Yara detected AsyncRAT

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98

Detection:

asyncrat

Link:

https://mwdb.cert.pl/sample/62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRat

Status:

Malicious

First seen:

2025-01-18 05:31:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

29 of 38 (76.32%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ml4m73rinjygqvxl4avro3nzc2noo5wgmcocgalinceh5jvqvoma._file

Verdict:

malicious

Label(s):

asyncrat

Similar samples:

error

AsyncRAT

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default defense_evasion discovery execution rat spyware stealer

Link:

https://tria.ge/reports/250120-j548kszphq/

Behaviour

Kills process with taskkill

Modifies registry class

Scheduled Task/Job: Scheduled Task

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Indicator Removal: Clear Persistence

Checks computer location settings

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

163.172.125.253:333
windows-cam.casacam.net:800

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9625918-0

YARA:

malware_asyncrat asyncrat AsyncRat_Payload JPCERTCC_Asyncrat

Link:

https://app.threat.zone/submission/47127bad-7092-436f-867c-6745df6b621e

Unpacked files

SH256 hash:

62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98

MD5 hash:

5855063b0ae049847b1d9eeced51a17b

SHA1 hash:

17cab3ae528d133d8f01bd8ef63b1a92f5cb23da

Detections:

AsyncRAT

win_asyncrat_w0

Link:

https://www.unpac.me/results/6d205b88-e5d6-4174-bd00-ef4229e0847e/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/62f8cfee286a/report/overview.html

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/62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98

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:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

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:	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:	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_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_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 62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3406812/

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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commented on 2025-01-20 08:20:46 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "62f8cfee286a706856ebe02b176db9169ae776c6609c23016868887ea6b0ab98",
"yara_possible_family": "asyncrat",
"key": "14dd3aa2db1d13de5154afdffd525e9ecb8dacc7de169a62d3d0cfbc8de92fa3",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"UtGIyOdWTbzUKe": "333",
"dElWWXAgJmF": "163.172.125.253",
"aLMXgYKjak": "A 13",
"EOkwRDtsBCbk": "false",
"vmgvGhzWjJFF": "%AppData%",
"fvlpVgXFeAgXG": "",
"QDWWjUAUDjv": "SG5QZmVGaktWUmhDQk5WNmlOMUdLUXNFT1UzTE9Ubnk=",
"SryROelaudjXHo": "AsyncMutex_555223",
"bbOfdlBabsm": "MIIE8jCCAtqgAwIBAgIQAPeWQ4YJ3MvReCGwLzn7rTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwNDI1MDA0MTA5WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKT9nYYTjYTZhY+g1tekZ8/F29gsEIDgf/8odvCbCmYKGGZZi2yND9NjtBXEMANM9PAXCyMapGvapDPbWgjYkLiMw/Vwa3kZRg7kLpXMpzInLQufe7Q587viilcsGDoVXmnf51/SwsKPjSysZUpyayezUlJ1j6aXkZGnasiqJ7iKANdSneQducOn6IwaEuJBmpXKWxhhq8R9JMfiWeOXL/hXoE/wCzwzvU/CrzPXd3uMsLfFMDHZJ+OQ9OXKU/CHZNCgSPs4VSgCgM4eK0YTbu1mLsWSo5th3/ingNFaTyYmGsmLIE2Jq5AR1A+xA+FEdC8zKL1bAwYQcRgIJs7QdedtAIufepPZ9D5HiOiy3ITYVonqwTiiIm20en7UICt+J8iDb4M2Q2iLWA7Yi9PN2cr0Xrs8A4/RL29Qe5Ly2k35i74RiBTiT7Jbl2r7PcYlUGcjTCbdB9PWt3dYaTysuamoq2Zuo2HVRhhoZpwnajS9vNcjuZCYVoQvUQBUnHTeRZrtHXU5JV59ZBlu7flZneMZnbrWXTxob6Bdt8+hrGoSDMWBFcO4jRzhT3hEFUpu4lSFeb9T3Vx4KWkHJhHtMvHuYgDTXERdEcI00sOUbVxgd/62LhGXNNommQKCyiAGj0V5uLD73Fyw8vJpm3jXf3NgNt/CjnlaMc40DJ+HlXE5AgMBAAGjMjAwMB0GA1UdDgQWBBQsT2WvtxGUK29SWs4sHz1xYye0fzAPBgNVHRMBAf8EBTADAQH/MA0GCSqGSIb3DQEBDQUAA4ICAQCK5sVfnYyT5MqnCg3uHV2ojf12fIVFCY02Cc7gy3DVoE6/xZCPjr22V/xZunZ7DG1nt0kOJKDwdQYnGoMc5UPh8jbNRoc1ojLOCaluaIYQyl8AGkmUSRA3Ltk0XetDescffrWT/nKuRvIEYU4Ra+B39f8ouGMCa7VXaxnGJ0z0BkUie8KsDLgNmJ7/kVfIYuRxl+YefoCsUTCogqf0fu3DuRHBpUVaSQQOf9YCbvFWH7Nupc3UIwpH5D8kSdpKusEfbRp8nfWN/Fm+lzF3THeHU6vNJ+5UoAWHYFW8wfJCbzQ/0L8QZeOv4uy74oQP2Ed0RdrWCwUL6SSsDPZdDEOy4K4vVYkDTl1nL5tleATguELAEbbT42oLce85z4C7sKvpEfa4DPbU55xBLwvHniILFfjB7VVsrgVckUL/lEf4Y92uJVKvLGruQt/mtKSqIuJjD8T9y7RIsk6g9624egV5UtLtv+36kLKhgIJlqC7Xx/PVwMc2yw8BiQlvxQZgqSd1k7QmV1AhV/3z2wqnYmb09ibTMYaMFjtamFegeFqc4jRLABhVQFEFv8z5E6G9vgKn5mQDWS/JykARBv9o2BjL/PTADfwAtc1b4nWo0l+CI8IjjYXu/mJOuwR+kFJ19INtwbffQvT9U12t4smpcZV+OK0opk4Yr9r1tZYm92ghXA==",
"adWlQXQsphBAbk": "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",
"atCKDtJBkfaqe": "false",
"AfGqNBRCZfHZZ": "true",
"xgfWKZSHdcRd": "false",
"HWufgobcFaTP": "BTC_Address",
"UbwewIsBLagAOa": "ETH_Address",
"QproKmEawzztxKbaq": "TRC20_Address",
"uOkwyXhznAFHp": "null",
"CsFFUhiuamtOd": "false",
"BShRWjBaUeAmNh": "null",
"xMDtkzemlzi": "3",
"pTFsKyqbDLoNeDoll": "Default"
}
}