MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703. 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: 18


Intelligence 18 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703
SHA3-384 hash: 89af71baf69dbef775019faf633ebb4cf1cdf7e4aeda6afdf9e24fe8eb5843d4eaf24ee52a1a2d470c3c261398e461ec
SHA1 hash: 5398cd8eb85b63e262f326dba4394181b560400d
MD5 hash: 096cd1e2d2d24d47a2dfb6c62e105776
humanhash: oscar-fanta-florida-sad
File name:yayayaya345.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:77'312 bytes
First seen:2025-05-26 01:14:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:1MBxJ9c8sTqeoXpIo44VmoWO+bKHMXcUo6gDOpPU+51SJUm:1MBVc8caZy1O+bKHcc7OpPUhN
TLSH T128737C1C7BE64424E1FFAFB05DF67246CA39F6136903D61F18C506CA2B13A858D806FA
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 BastianHein
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
532
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yayayaya345.exe
Verdict:
Malicious activity
Analysis date:
2025-05-26 01:22:16 UTC
Tags:
auto-startup xworm auto-reg
Link:
https://app.any.run/tasks/97e1961e-9e5b-4849-bc06-a64307972b10

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10002982-0
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Dropper.Nanocore-10024427-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

Win.Packed.Msilzilla-10026194-0
Create hunting rule

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6833c38bacf88f5815e6e254
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a window
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat backdoor base64 cmd config-extracted explorer fingerprint lolbin obfuscated obfuscated rat reconnaissance schtasks vbnet xworm
Link:
https://www.filescan.io/uploads/6833c0a5e336a33801de05ec/reports/0fa2b465-ab70-4cb3-b842-426e79c349f3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/93d80d62-4bde-4de0-85ad-d434a8d5fcef
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1698921
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1698921 Sample: yayayaya345.exe Startdate: 26/05/2025 Architecture: WINDOWS Score: 100 43 Javv-46764.portmap.host 2->43 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 11 other signatures 2->53 8 yayayaya345.exe 1 6 2->8         started        12 svchost.exe 2->12         started        15 System User 2->15         started        17 5 other processes 2->17 signatures3 process4 dnsIp5 39 C:\Users\user\AppData\Roaming\System User, PE32 8->39 dropped 57 Protects its processes via BreakOnTermination flag 8->57 59 Bypasses PowerShell execution policy 8->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Adds a directory exclusion to Windows Defender 8->63 19 powershell.exe 23 8->19         started        22 powershell.exe 21 8->22         started        24 powershell.exe 23 8->24         started        26 3 other processes 8->26 45 127.0.0.1 unknown unknown 12->45 file6 signatures7 process8 file9 55 Loading BitLocker PowerShell Module 19->55 29 conhost.exe 19->29         started        31 conhost.exe 22->31         started        33 conhost.exe 24->33         started        41 C:\ProgramData\Microsoft\...\Report.wer, Unicode 26->41 dropped 35 conhost.exe 26->35         started        37 conhost.exe 26->37         started        signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703/
Verdict:
Malicious
Link:
https://tip.neiki.dev/file/c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Create hunting rule
Status:
Malicious
First seen:
2025-05-24 20:43:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ykeinovgt3bsl756gk6x2qwlpducu5ac5l3hde6k6c2dgrici4bq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
AsyncRAT
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution persistence rat trojan
Link:
https://tria.ge/reports/250526-bl91qabm6z/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
Javv-46764.portmap.host:2443
Javv-46764.portmap.host:46764:2443
higher-sims.gl.at.ply.gg:50499:2443
higher-sims.gl.at.ply.gg:2443
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Link:
https://app.threat.zone/submission/9d10eacf-e204-4cb7-be01-36545be78924
Unpacked files
SH256 hash:
c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703
MD5 hash:
096cd1e2d2d24d47a2dfb6c62e105776
SHA1 hash:
5398cd8eb85b63e262f326dba4394181b560400d
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/c165b156-f239-44d4-aa8e-4941089b92aa/
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/c28886baa69ec325ffbe32bd7d42cb78e82a7402eaf67193caf0b43345024703

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
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: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:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

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 (HIGH_ENTROPY_VA)high

Comments