MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6331ca8b268d2426749f0e579dad36513fd5d8f2489abdea7fac083109546459. 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: 20
| SHA256 hash: | 6331ca8b268d2426749f0e579dad36513fd5d8f2489abdea7fac083109546459 |
|---|---|
| SHA3-384 hash: | 82e14889899e6e708aa2aabe46868ba54965536ebc578646b44692754b4ddc46354e4a7da3605ab21c8c3a5168fb29b3 |
| SHA1 hash: | 12b1f1ca7ed82656dd31d49d1e49ebcb4232c253 |
| MD5 hash: | 85688a6bf2ab806275cb863862f13b07 |
| humanhash: | robert-uncle-finch-mike |
| File name: | PAYMENT#679024013089.pdf.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 990'208 bytes |
| First seen: | 2025-08-19 00:40:06 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 0b768923437678ce375719e30b21693e (143 x Formbook, 25 x MassLogger, 22 x SnakeKeylogger) |
| ssdeep | 24576:M5EmXFtKaL4/oFe5T9yyXYfP1ijXda9NXpu1i:MPVt/LZeJbInQRa9N |
| Threatray | 237 similar samples on MalwareBazaar |
| TLSH | T16A259E0273D1C062FFAB92334B5AF6115BBC79260123A62F13981D7ABD705B1563E7A3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | aae2f3e38383b629 (2'034 x Formbook, 1'183 x CredentialFlusher, 666 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 155.94.155.240:6403 | https://threatfox.abuse.ch/ioc/1571090/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
96
Origin country :
NLVendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
PAYMENT#679024013089.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-08-19 00:40:38 UTC
Tags:
auto-startup rat asyncrat remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRAT
Verdict:
Malicious
Score:
99.1%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
Сreating synchronization primitives
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm anti-vm autoit compiled-script cscript fingerprint keylogger lolbin masquerade microsoft_visual_cc packed reg threat wscript
Verdict:
Malicious
Labled as:
Trojan.BAT.Agent.gen
Verdict:
Malicious
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Sigma detected: Suspicious Double Extension File Execution
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
6 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.ASYNCRAT
Threat name:
Win32.Backdoor.Asyncrat
Status:
Malicious
First seen:
2025-08-19 00:40:49 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
18 of 24 (75.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 227 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat botnet:default defense_evasion discovery rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Drops startup file
Executes dropped EXE
Modifies trusted root certificate store through registry
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
ventasio.info:6403
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
194de9d16a9c18b7f0e18b941798a00c16305f26beaeda6eb7d56da51e1466dd
MD5 hash:
b2dfc71478106a7fe081fbed3448a18d
SHA1 hash:
1f43bb8379595bd519965ef948821386274faebe
Detections:
win_asyncrat_w0
AsyncRAT
asyncrat
win_asyncrat_bytecodes
win_asyncrat_unobfuscated
INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
SH256 hash:
6331ca8b268d2426749f0e579dad36513fd5d8f2489abdea7fac083109546459
MD5 hash:
85688a6bf2ab806275cb863862f13b07
SHA1 hash:
12b1f1ca7ed82656dd31d49d1e49ebcb4232c253
Malware family:
AsyncRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Michelle Khalil |
| Description: | This rule detects unpacked AsyncRAT malware samples. |
| Rule name: | asyncrat_kingrat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__RemoteAPI |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse |
|---|---|
| Author: | ditekSHen |
| Description: | Detects file containing reversed ASEP Autorun registry keys |
| 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: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_detect_tls_callbacks |
|---|
| 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: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | Windows_Generic_Threat_ce98c4bc |
|---|---|
| Author: | Elastic Security |
| 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_unobfuscated |
|---|---|
| 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 |
|---|---|
| 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.
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