MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08. 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: 23


Intelligence 23 IOCs YARA 19 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08
SHA3-384 hash: adc83b457feb08dfb977635c14be2de89f63feb79d4e5d1c887294f00a6c014f449be42f71a9576fb90ad3a5d8a5689c
SHA1 hash: 6bee72ac271b2e2aed9f6b959811d105196334bf
MD5 hash: bb29d533b3df635d068c0974d7cab953
humanhash: kentucky-sweet-violet-ohio
File name:BootstrapperNew.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:80'896 bytes
First seen:2025-11-28 20:41:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'797 x AgentTesla, 19'709 x Formbook, 12'278 x SnakeKeylogger)
ssdeep 1536:pOsykH1c+Qj8L9gckeZHb/JtqlEhQcE6nj23O/fEH:pOsyAQjUnb/Jzq3O/fO
TLSH T101836B287BE54529E4FFAFB049E07267C776F6135903C55F24C8029B1A23A89CE817F6
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 burger
Tags:AsyncRAT exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
XWorm
Details
XWorm
a version, a filepath, a mutex, a c2 socket address or a dead-drop resolver URL, and possibly cryptocurrency wallets and a Telegram URL
Link:
https://research.acce.ciphertechsolutions.com/results/2ffc32ea-4f97-43a2-86f2-63dba240e09d/
Malware family:
n/a
ID:
1
File name:
BootstrapperNew.exe
Verdict:
Malicious activity
Analysis date:
2025-11-28 20:40:48 UTC
Tags:
auto-startup evasion auto-reg xworm
Link:
https://app.any.run/tasks/d2ddd7dd-ede3-440b-81a2-710f92c17ae4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/41737/
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-10024808-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
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=692a08cf6cb1dcd577821ef2
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Creating a file
Launching a process
Creating a window
Connection attempt to an infection source
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Query of malicious DNS domain
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat base64 bladabindi fingerprint lolbin njrat obfuscated obfuscated reconnaissance schtasks vbnet xworm xworm
Link:
https://www.filescan.io/uploads/692a08e9d0d5e7288b4fc891/reports/edbd0310-0a11-4baf-b3b6-ed69e0e0a378/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-11-28T17:39:00Z UTC
Last seen:
2025-11-30T08:55:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb HEUR:Backdoor.MSIL.XWorm.gen HEUR:Backdoor.MSIL.XClient.b Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a PDM:Trojan.Win32.Generic Trojan.Win32.Vimditator.sb Trojan.Agent.UDP.C&C
Link:
https://opentip.kaspersky.com/8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08/results?tab=lookup
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48f456d3-6e9a-447c-94de-b837f79424aa
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1822505
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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)
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08
Verdict:
XWorm
YARA:
16 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.96 Win 32 Exe x86 XWorm
Malware Config
C2 Extraction:
CNC: mary-brochures.gl.at.ply.gg
PORT: 4280
Link:
https://app.malva.re/file/bb29d533b3df635d068c0974d7cab953
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-11-28 20:40:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 38 (84.21%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfi3enmbe4aitlbmkpsooq5b4wgwcpgslj6o6jemk4dsry2c74ea._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 rat trojan
Link:
https://tria.ge/reports/251128-zghmnswrbz/
Behaviour
Suspicious use of AdjustPrivilegeToken
Looks up external IP address via web service
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
mary-brochures.gl.at.ply.gg:4280
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1 External_IP_Lookup
YARA:
EXE_RAT_XWorm_April2024 MALWARE_Win_XWorm win_mal_XWorm win_xworm_bytestring
Link:
https://app.threat.zone/submission/ee87430f-1fa9-437e-a014-b69ddb76a222
Unpacked files
SH256 hash:
8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08
MD5 hash:
bb29d533b3df635d068c0974d7cab953
SHA1 hash:
6bee72ac271b2e2aed9f6b959811d105196334bf
Detections:
win_xworm_w0
Create hunting rule
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/fba79c68-2591-4d1d-a2c7-1e62498ccfb9/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8951b2358127/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/8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08

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: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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EXE_RAT_XWorm_April2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/41737/

Comments


Avatar
commented on 2025-11-28 20:45:59 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "8951b23581270089ac2c53e4e743a1e58d613cd25a7cef248c570728e342ff08",
"yara_possible_family": "xworm",
"key": "2b890fcbee945725d4c5cf62ac047a2b890fcbee945725d4c5cf62ac047a4f00",
"salt": "None",
"config": {
"obfuscated_key_1": "mary-brochures.gl.at.ply.gg",
"obfuscated_key_2": "4280",
"obfuscated_key_3": "<666666>",
"obfuscated_key_4": "<XWormmm>",
"obfuscated_key_5": "1",
"obfuscated_key_6": "XWorm V6.5 by c3lestial.fun",
"obfuscated_key_7": "USB.exe",
"obfuscated_key_8": "",
"obfuscated_key_9": "EdgeUpdater.exe",
"obfuscated_key_10": "bG9XdpCKEjzU6PHA",
"obfuscated_key_11": "\\Log.tmp"
}
}