MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b. 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 1 YARA 39 File information Comments

SHA256 hash:	281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b
SHA3-384 hash:	d47c0e88c14624688e17294e0301dc161f71eef6abd24268036dc365d0c9496eca7dab96797be4ba825a04ec7bbba3fa
SHA1 hash:	0ab332b064099ab881bc91ee5f3da0beae29b7c4
MD5 hash:	e923ec3f667e2be40886101cf4797b37
humanhash:	orange-arkansas-august-enemy
File name:	msedge_elf.dll
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	2'340'864 bytes
First seen:	2025-07-31 04:47:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	04247fcace3e9cf280aa3fedb1aa4cf2 (1 x AsyncRAT)
ssdeep	49152:8UPOqkD9C/08OAzoP0vTrN2GPzog312iGLi:HkE70sr34n
Threatray	187 similar samples on MalwareBazaar
TLSH	T107B5AE14A3E801B8D477D734CA668332D6B0B8965770E58F069DD6062F73EA29B3F712
TrID	48.7% (.EXE) Win64 Executable (generic) (10522/11/4) 23.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.3% (.EXE) OS/2 Executable (generic) (2029/13) 9.2% (.EXE) Generic Win/DOS Executable (2002/3) 9.2% (.EXE) DOS Executable Generic (2000/1)
Magika	pebin
Reporter	AntiSkidding
Tags:	AsyncRAT dllHijack exe

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
186.169.48.221:7645	https://threatfox.abuse.ch/ioc/1562737/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

prueba.svg

Verdict:

Malicious activity

Analysis date:

2025-07-30 14:57:17 UTC

Tags:

asyncrat rat

Link:

https://app.any.run/tasks/dde4162d-92ee-44aa-aacf-ffc3e01c1ea0

Note:

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

Detection:

AsyncRAT

Link:

https://www.capesandbox.com/analysis/17884/

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=688af59d0b4775fb2133cc2f

Tags:

asyncrat backdoor virus msil

Result

Verdict:

Clean

Maliciousness:

Behaviour

Sending a custom TCP request

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9d20f1b4-2602-4f41-8aed-499d9f77bd84

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b

Verdict:

inconclusive

YARA:

5 match(es)

Tags:

Executable PDB Path PE (Portable Executable) Win 64 Exe x64

Link:

https://app.malva.re/file/e923ec3f667e2be40886101cf4797b37

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b

Threat name:

Win64.Trojan.Egairtigado

Status:

Malicious

First seen:

2025-07-28 20:40:10 UTC

File Type:

PE+ (Dll)

AV detection:

21 of 38 (55.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=falcjswibf64sljiqeulgyoturvv4il6uaf5mgrrierjufrbtnnq._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

6082d41534a1781693ac7ffac275ecddbcf521ffb1a36a8c2987a2b99aec70b5

AsyncRAT

919b2c180da8d6f5843affbe1a7ffac28b7803688e8a46c68893daeb8515391a

AsyncRAT

ca6f6e953c185bf8b277f0c2851dc22a5ba190dad0e754b8478498fcad3bf012

AsyncRAT

error

AsyncRAT

+ 177 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:default discovery rat

Link:

https://tria.ge/reports/250731-ffbces1jy3/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

ansyjul28.duckdns.org:7645

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/891408a3-c8f4-40ea-a75c-23eee6dad947

Unpacked files

SH256 hash:

281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b

MD5 hash:

e923ec3f667e2be40886101cf4797b37

SHA1 hash:

0ab332b064099ab881bc91ee5f3da0beae29b7c4

Link:

https://www.unpac.me/results/d7cb7cb5-95ae-4652-9463-cf3f160f7a55/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/281624cac809/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/281624cac8097dc92d288128b361d3a46b5e217ea00bd61a3141229a16219b5b

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:	AsyncRAT_ Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked AsyncRAT malware samples.

Rule name:	asyncrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

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

Rule name:	DebuggerCheck__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

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

Rule name:	Jupyter_infostealer Create hunting rule
Author:	CD_R0M_
Description:	Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022

Rule name:	Macos_Infostealer_Wallets_8e469ea0 Create hunting rule
Author:	Elastic Security

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:	pe_detect_tls_callbacks Create hunting rule

Rule name:	pe_imphash Create hunting rule

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

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

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

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:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

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

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.

Cape

https://www.capesandbox.com/analysis/17884/

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 (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AdjustTokenPrivileges
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken KERNEL32.dll::OpenProcess KERNEL32.dll::VirtualAllocExNuma KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThreadpoolWait KERNEL32.dll::CreateThreadpoolWork KERNEL32.dll::CreateThreadpoolIo KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::FreeConsole KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileExW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::GetSystemDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupPrivilegeValueW
WIN_BCRYPT_API	Can Encrypt Files	bcrypt.dll::BCryptCreateHash bcrypt.dll::BCryptDestroyHash bcrypt.dll::BCryptFinishHash bcrypt.dll::BCryptGenRandom bcrypt.dll::BCryptGetProperty bcrypt.dll::BCryptHashData
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW

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