MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed. 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: 17


Intelligence 17 IOCs YARA 27 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed
SHA3-384 hash: 2d6c0199b43afa5350b952cf7b89f82faa62ae98b7d2c8bc4488986bb1684c3c63f643d9da08dfec276d16b495479dd4
SHA1 hash: 0205c7ea0e4037e47eeb090720e4a01e7466a58c
MD5 hash: 231f9fa5d5e1da0b03d7d54520d07768
humanhash: football-saturn-stream-item
File name:551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:50'688 bytes
First seen:2026-04-28 15:14:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'878 x AgentTesla, 19'800 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 768:H0v21tXpPxf50wabjRRXBRz07RbjeuOlotJC+/5D/61/hF+:PXlxhva3RRXr47RbCugo7CS5z61/hF+
TLSH T140332A007BFC9A2AF1FF9BBC9C7555054679F513A832D74E08C8109E26B27C09A81BB7
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Threatray
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
130
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
AsyncRAT
Details
AsyncRAT
c2 socket addresses or a dead drop resolver url, a version, a mutex, an SSL certificate and server signature, an interval, varying flags, and possibly a filepath and a group
Link:
https://research.acce.ciphertechsolutions.com/results/46da2c31-ec23-4512-824c-891263c035b6/
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
RansomRAT.exe
Verdict:
Malicious activity
Analysis date:
2026-04-15 13:34:42 UTC
Tags:
phishing possible-phishing asyncrat
Link:
https://app.any.run/tasks/12ca46b8-2401-4a1f-8dff-dcf8169eeda4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/63887/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

YARA.SECUINFRA_SUSP_Reverse_Run_Key.UNOFFICIAL
Create hunting rule

YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Creating a file in the %temp% directory
Creating a file
Reading critical registry keys
Launching a process
Creating a process with a hidden window
Running batch commands
Adding an access-denied ACE
Searching for synchronization primitives
Creating a window
Transferring files using the Background Intelligent Transfer Service (BITS)
Changing a file
Stealing user critical data
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Deleting volume shadow copies
Encrypting user's files
Gathering data
Verdict:
Malicious
Labled as:
Ransom.Hiddentear.A.Generic
Link:
https://www.hybrid-analysis.com/sample/551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-15T10:39:00Z UTC
Last seen:
2026-04-15T11:04:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3266bbed-70ed-434c-b987-8c85f3efc73b
Score:
47%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed
Gathering data
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed/
Verdict:
Malicious
Threat:
Family.ANARCHYRAT
Link:
https://tip.neiki.dev/file/551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2026-04-15 19:48:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kupm4i62aps5dq7gj3xg7i3r7cf7omghgoa7chpxuwbom75yotwq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
genericransomware
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat credential_access defense_evasion discovery dropper execution impact persistence ransomware rat stealer
Link:
https://tria.ge/reports/260428-sncaxabt6s/
Behaviour
Interacts with shadow copies
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Browser Information Discovery
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Credentials from Password Stores: Windows Credential Manager
Modifies file permissions
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Download via BitsAdmin
Deletes shadow copies
Family: AsyncRat
Unpacked files
SH256 hash:
551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed
MD5 hash:
231f9fa5d5e1da0b03d7d54520d07768
SHA1 hash:
0205c7ea0e4037e47eeb090720e4a01e7466a58c
Detections:
win_asyncrat_w0
Create hunting rule
triage_asyncrat_rat
Create hunting rule
Link:
https://www.unpac.me/results/690767fd-afc0-4eff-a239-76acad12dd85/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/551ece23da03/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.77
Link:
https://yomi.yoroi.company/submissions/551ece23da03e5d1c3e64eee6fa371f88bf730c73381f11df7a582e67fb874ed

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:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:AsyncRAT_057B
Create hunting rule
Author:kirkderp
Description:AsyncRAT 0.5.7B -- minimal .NET RAT with PBKDF2 key derivation and MessagePack serialization
Reference:https://github.com/kirkderp/yara
Rule name:DebuggerCheck__RemoteAPI
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Destructive_Ransomware_Gen1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:Destructive_Ransomware_Gen1_RID31CB
Create hunting rule
Author:Florian Roth
Description:Detects destructive malware
Reference:http://blog.talosintelligence.com/2018/02/olympic-destroyer.html
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Disclosed_0day_POCs_lpe
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects POC code from disclosed 0day hacktool set
Reference:Disclosed 0day Repos
Rule name:Disclosed_0day_POCs_lpe_RID2FCC
Create hunting rule
Author:Florian Roth
Description:Detects POC code from disclosed 0day hacktool set
Reference:Disclosed 0day Repos
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Create hunting rule
Author:ditekSHen
Description:Detects command variations typically used by ransomware
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:malware_asyncrat
Create hunting rule
Description:detect AsyncRat in memory
Reference:https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp
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:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
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: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:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security
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.

  
Link
https://x.com/ThreatrayLabs/status/2049143187847950710
Cape
Cape
https://www.capesandbox.com/analysis/63887/

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