MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1. 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: 19


Intelligence 19 IOCs 1 YARA 26 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1
SHA3-384 hash: 92f000420d86b0f8c6bb4a06a5a5185d92db684765f9e7587280031fc69eb38729190d1a49b239b6fd93791a01660ff8
SHA1 hash: c68b281a2eb75868d0be49a4835c2f7c1cfe349a
MD5 hash: 8dd6324d57fbde1a12e1b6c16415a1fc
humanhash: paris-pizza-sweet-kitten
File name:8DD6324D57FBDE1A12E1B6C16415A1FC.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:3'179'520 bytes
First seen:2025-09-05 06:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'844 x AgentTesla, 19'775 x Formbook, 12'297 x SnakeKeylogger)
ssdeep 49152:o1rnFKeeKGCnUWMYl8KIK/HwZUnwblDG9KOsilR:6ZKeRGCnzMYl8Kr/HwZUnwblaEx8
TLSH T1FDE5E89189D9BC10DBF15EB29231A2B634C54F279E75BA32CD9F65670F35F3A28800E1
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 abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
105.99.148.50:11111

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
105.99.148.50:11111 https://threatfox.abuse.ch/ioc/1582205/

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8DD6324D57FBDE1A12E1B6C16415A1FC.exe
Verdict:
Malicious activity
Analysis date:
2025-09-05 06:45:59 UTC
Tags:
netreactor evasion
Link:
https://app.any.run/tasks/0de1f6f1-5831-4722-9d19-8d490c0d82a4

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/25164/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ba8715eb163e0ec1846bff
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for analyzed file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Sending a custom TCP request
Launching a process
Enabling the 'hidden' option for recently created files
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cryptor_detected net_reactor obfuscated obfuscated packed packed
Link:
https://www.filescan.io/uploads/68ba871e20d0ee406d962f9d/reports/c1c8c563-d292-4615-8eab-e7b6f9bb704b/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.IN.Generic
Link:
https://www.hybrid-analysis.com/sample/28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-02T15:14:00Z UTC
Last seen:
2025-09-02T15:14:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1/results?tab=lookup
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0ead51f4-246b-4f2d-a05c-19854df6bdb5
Result
Threat name:
AsyncRAT, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1771579
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Connects to a pastebin service (likely for C&C)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
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
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected AsyncRAT
Yara detected Telegram RAT
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1771579 Sample: LxzBiuN2d2.exe Startdate: 05/09/2025 Architecture: WINDOWS Score: 100 50 mypopy.ddns.net 2->50 52 pastebin.com 2->52 54 2 other IPs or domains 2->54 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 72 13 other signatures 2->72 9 LxzBiuN2d2.exe 3 2->9         started        13 LxzBiuN2d2.exe 2->13         started        15 LxzBiuN2d2.exe 2->15         started        17 LxzBiuN2d2.exe 2->17         started        signatures3 68 Uses dynamic DNS services 50->68 70 Connects to a pastebin service (likely for C&C) 52->70 process4 file5 48 C:\Users\user\AppData\...\LxzBiuN2d2.exe.log, CSV 9->48 dropped 80 Bypasses PowerShell execution policy 9->80 82 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 9->84 92 2 other signatures 9->92 19 LxzBiuN2d2.exe 16 8 9->19         started        86 Antivirus detection for dropped file 13->86 88 Multi AV Scanner detection for dropped file 13->88 90 Injects a PE file into a foreign processes 15->90 24 LxzBiuN2d2.exe 15->24         started        signatures6 process7 dnsIp8 56 mypopy.ddns.net 105.99.148.50, 11111 ALGTEL-ASDZ Algeria 19->56 58 ip-api.com 208.95.112.1, 49691, 80 TUT-ASUS United States 19->58 60 2 other IPs or domains 19->60 46 C:\ProgramData\LxzBiuN2d2.exe, PE32 19->46 dropped 74 Protects its processes via BreakOnTermination flag 19->74 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->76 78 Adds a directory exclusion to Windows Defender 19->78 26 powershell.exe 23 19->26         started        29 powershell.exe 22 19->29         started        31 powershell.exe 23 19->31         started        33 2 other processes 19->33 file9 signatures10 process11 file12 94 Loading BitLocker PowerShell Module 26->94 36 conhost.exe 26->36         started        38 conhost.exe 29->38         started        40 conhost.exe 31->40         started        44 C:\ProgramData\Microsoft\...\Report.wer, Unicode 33->44 dropped 42 conhost.exe 33->42         started        signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 1.00 Win 32 Exe x86
Link:
https://app.malva.re/file/8dd6324d57fbde1a12e1b6c16415a1fc
Detection:
shortloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1/
Threat name:
Win32.Trojan.Mardom
Create hunting rule
Status:
Malicious
First seen:
2025-09-02 20:43:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
29 of 38 (76.32%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdsk26hsnfnxlzh3fik76764zsf43mr7tnj2c5l32fu7k73kshaq._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
XWorm
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/250905-hjfgnawybv/
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/849c09b4-5772-45d3-947b-6bd3de8ffab3
Unpacked files
SH256 hash:
28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1
MD5 hash:
8dd6324d57fbde1a12e1b6c16415a1fc
SHA1 hash:
c68b281a2eb75868d0be49a4835c2f7c1cfe349a
Link:
https://www.unpac.me/results/19870ff9-3608-4be5-a947-a28914a5ceb8/
SH256 hash:
190a58c1e952a09bb8b6f6e1d110f9710169afd646ffaa5800edd120b4cac31d
MD5 hash:
3cce089b67f62fb4619a80d99d421251
SHA1 hash:
209e7bf5544d77ed0792b1910b94e96518a9fb2d
Detections:
win_xworm_w0
Create hunting rule
win_xworm_bytestring
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
Link:
https://www.unpac.me/results/19870ff9-3608-4be5-a947-a28914a5ceb8/
SH256 hash:
8619f964af74164af540dc82d2816afc12b583cc1ad7d5a972deadf08c426c1f
MD5 hash:
71ff83bc3d06b8126290474182da67ac
SHA1 hash:
53d9fbb73567f756ac05d19fd3bda54c6e97ef70
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/19870ff9-3608-4be5-a947-a28914a5ceb8/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/28e4ad78f269/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/28e4ad78f2695b75e4fb2a15ff7fdccc8bcdb23f9b53a1757bd169f57f6a91c1

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
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:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
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_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/25164/

Comments