MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a487fb9ac0c380326884e378ec27d11786bc7146f66539df83b05b747037c528. 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: 21


Intelligence 21 IOCs 1 YARA 28 File information Comments

SHA256 hash: a487fb9ac0c380326884e378ec27d11786bc7146f66539df83b05b747037c528
SHA3-384 hash: 4960baa2896e87c17647c331ac8565240f8fb8a7d7d176dad84b1234b340dfbb464ee1c9a64a05e399d4089d3726b908
SHA1 hash: 827aa4747d56089f7c905c41e102fdcc4f97a515
MD5 hash: 4e0006b06c3e828cd89844e3fa14f372
humanhash: whiskey-lion-leopard-queen
File name:4e0006b06c3e828cd89844e3fa14f372.exe
Download: download sample
Signature AsyncRAT
File size:70'144 bytes
First seen:2025-08-22 17:30:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:I22eRu6DkUpg0qvKN08uXD3bnjZNiaEtSdMiPry7aWW3qx:I22eRlDkUpHqCTyD3bnFGSyiP+WWWax
TLSH T1B9631A083BED8526F1BE8F745DF2668546F9F56B3902D51E1CC410D90A32BC29A42BFB
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 abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
103.229.81.203:8808

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
103.229.81.203:8808 https://threatfox.abuse.ch/ioc/1382563/

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
4e0006b06c3e828cd89844e3fa14f372.exe
Verdict:
Malicious activity
Analysis date:
2025-08-22 17:35:57 UTC
Tags:
asyncrat rat remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
DNS request
Creating a window
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Setting a global event handler for the keyboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat cmd evasive lolbin obfuscated obfuscated reg schtasks vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-06-08T06:01:00Z UTC
Last seen:
2025-06-08T06:01:00Z UTC
Hits:
~100
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads the Security eventlog
Reads the System eventlog
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Verdict:
AsyncRAT
YARA:
13 match(es)
Tags:
.Net AsyncRAT Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.81 Win 32 Exe x86
Malware Config
C2 Extraction:
PORT: 6606,7707,8808
Threat name:
Win32.Backdoor.AsyncRat
Status:
Malicious
First seen:
2025-08-20 01:38:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat defense_evasion rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Reads user/profile data of web browsers
Modifies trusted root certificate store through registry
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
wertyhfg.duckdns.org:6606
wertyhfg.duckdns.org:7707
wertyhfg.duckdns.org:8808
cloedjw.duckdns.org:6606
cloedjw.duckdns.org:7707
cloedjw.duckdns.org:8808
loeisd.duckdns.org:6606
loeisd.duckdns.org:7707
loeisd.duckdns.org:8808
Verdict:
Malicious
Tags:
rat asyncrat Win.Packed.Razy-9625918-0
YARA:
AsyncRat_Payload JPCERTCC_Asyncrat Windows_Trojan_Asyncrat_11a11ba1 asyncrat malware_asyncrat
Unpacked files
SH256 hash:
a487fb9ac0c380326884e378ec27d11786bc7146f66539df83b05b747037c528
MD5 hash:
4e0006b06c3e828cd89844e3fa14f372
SHA1 hash:
827aa4747d56089f7c905c41e102fdcc4f97a515
Detections:
win_asyncrat_w0 AsyncRAT
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:AsyncRAT_
Author:Michelle Khalil
Description:This rule detects unpacked AsyncRAT malware samples.
Rule name:asyncrat_kingrat
Author:jeFF0Falltrades
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:malware_asyncrat
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Mal_WIN_AsyncRat_RAT_PE
Author:Phatcharadol Thangplub
Description:Use to detect AsyncRAT implant.
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_bytecodes
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
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
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.

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments