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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3. 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


XWorm


Vendor detections: 14


Intelligence 14 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3
SHA3-384 hash: be8412f1827c848b8c8a603cac45fee33d65ebea64ae55d0013dadfbcbe9cf174b902bdb6fe5ea32dbb748ed3bd1ddd3
SHA1 hash: 6ca21ecdce46f2595c11f3cdde62c169ed7d8a6a
MD5 hash: aab2de28d6aa73ee0cd9253317e24165
humanhash: summer-oklahoma-equal-island
File name:Demande_de_devis_48722 -SA 20-10-2026.pdf.com
Download: download sample
Signature XWorm
Create hunting rule
File size:677'376 bytes
First seen:2026-10-20 12:06:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/vnd.microsoft.portable-executable
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'293 x AgentTesla, 20'712 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 12288:WRl5e5ua/BOvgkEClK8KxpAkG8jF6aUvYwFzlDCbAF4S:0+ugUKxb3j9UvYw94bAm
TLSH T14AE4DF102299E712D4F53BB4C561F2F55379AEC9F822E20B4EE2BDDFF875B04590A242
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:exe xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/b7063756-0590-4275-957a-cb9049560530/
Malware family:
n/a
ID:
1
File name:
exe
Verdict:
No threats detected
Analysis date:
2026-10-20 12:59:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/65eaf8bb-b578-41c8-8324-df9155dfded9

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/93041/
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad75975afb06e650cd7ec03
Tags:
micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed vbnet
Link:
https://www.filescan.io/uploads/6ad7597462b8cbfe5326be2f/reports/263098f8-6d33-4a51-b4e4-af2ebf212f21/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-10-20T07:38:00Z UTC
Last seen:
2026-10-22T08:21:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e76642a2-ec3a-48f5-a8ed-ed31379d9d39
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1989340
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
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 AntiVM3
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.45 Win 32 Exe x86
Link:
https://app.malva.re/file/aab2de28d6aa73ee0cd9253317e24165
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3/
Threat name:
Win32.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-20 12:07:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
23 of 38 (60.53%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgsjabt4ubq5qof2pgwqfnbzplf56huqvbndoh3gvm6nue5yisrq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery
Link:
https://tria.ge/reports/261020-pae8vsbd65/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Unpacked files
SH256 hash:
81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3
MD5 hash:
aab2de28d6aa73ee0cd9253317e24165
SHA1 hash:
6ca21ecdce46f2595c11f3cdde62c169ed7d8a6a
Link:
https://www.unpac.me/results/421cfe9e-ba84-499b-be37-1ac24b446bb0/
SH256 hash:
8ba5e5fc50d186d7224a0f4139c3139b3e7e88954ea6bd6a758790b82e032a5a
MD5 hash:
2c4c72512465ee78b0ad19d17ea2d155
SHA1 hash:
05495df5a63cb97b6bc65652f4bc9e95c29c0a37
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/421cfe9e-ba84-499b-be37-1ac24b446bb0/
Parent samples :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 hash:
8347f367aebb180511e48d87f238d096e100cdcfcab1eaeeb786fe053f9daf57
MD5 hash:
4fc9520733d63874c82ca3eafe292985
SHA1 hash:
388ae0ff615f5571371aae1f1a6416535040753e
Link:
https://www.unpac.me/results/421cfe9e-ba84-499b-be37-1ac24b446bb0/
SH256 hash:
66cb5858e8375a197025edf901c6e2cfcf0098b46e810414feb18836000e45e2
MD5 hash:
1aab2f61f117f44505f373947d5a08a3
SHA1 hash:
a6fa4f462697070afac8a605c680cd133af8445e
Link:
https://www.unpac.me/results/421cfe9e-ba84-499b-be37-1ac24b446bb0/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81a490067ca0/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/81a490067ca061d838ba79ad02b4397acbdf1e90a85a371f66ab3cda13b844a3

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
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:DotNet_RGB_Embedded_AssemblyLoader_Hunt
Create hunting rule
Author:ShadowOpCode
Description:Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading
Rule name:HUNT_NET_Loader_ImagePixel_To_AssemblyLoad
Create hunting rule
Author:Anish Bogati
Description:Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.
Rule name:NET
Create hunting rule
Author:malware-lu
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: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:win_dotnet_vb_stealer_rat
Create hunting rule
Author:Arrbat
Description:Detects .NET/VB executables with stealer/RAT capabilities (sockets, HTTP, processes, registry, etc).
Rule name:WIN_Malware_Derialock_ForgeAuto_3127f957_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects Derialock (pe, etat extrait)
Rule name:WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait
Create hunting rule
Author:Marjoriefort
Description:Detects XWorm (pe, etat extrait)
Rule name:WIN_Sample_Unique_69354b41
Create hunting rule
Author:Marjoriefort
Description:Specimen unique (soumission Bazaar) - strings distinctifs propres au sample
Reference:69354b41e10daf03d3f3af881b32d5c0fec56b1cfe96629fd4c5263413a42854.exe

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/93041/

Comments