MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 909cef371bd79028339cbf7197c5ed944b879c5df578a768798c3c9014cf0804. 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: 17


Intelligence 17 IOCs 1 YARA 4 File information Comments

SHA256 hash: 909cef371bd79028339cbf7197c5ed944b879c5df578a768798c3c9014cf0804
SHA3-384 hash: 5524126f4f23665209c8882109805d56327c6c65222b245ce080594ed6b5b53b3cabb132db083d24745269f47d32137b
SHA1 hash: a2e67f249e1294f0be5308d0e19f7b03050b7ec3
MD5 hash: 022235983c4ed807312ded7bf05a4dbb
humanhash: nuts-florida-freddie-missouri
File name:NerusSpoofer.exe
Download: download sample
Signature XWorm
File size:437'760 bytes
First seen:2025-07-29 15:05:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'789 x Formbook, 12'305 x SnakeKeylogger)
ssdeep 6144:ddaeXNHN27jBvYSntA9j4a1TB3OHcSx00LGmOkwhH7ogO56bXOSRgTA/Y:ddae3ivYMe9jhox20o7k56b+SR+h
TLSH T17E94011789403F89F37307F054095979C2B237AAAC1E9E9EBC42909B71BE59DC861BCD
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
147.185.221.30:38013

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
147.185.221.30:38013 https://threatfox.abuse.ch/ioc/1562046/

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NerusSpoofer.exe
Verdict:
Malicious activity
Analysis date:
2025-07-29 01:31:19 UTC
Tags:
evasion auto-startup stealer xworm umbralstealer discord exfiltration

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Creating a process with a hidden window
Creating a window
Connection attempt to an infection source
Unauthorized injection to a recently created process
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
Malware family:
Sharp Stealer
Verdict:
Malicious
Result
Threat name:
Blank Grabber, Umbral Stealer, XWorm
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
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
Contains functionality to log keystrokes (.Net Source)
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Modifies Windows Defender protection settings
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
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Startup Folder Persistence
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Uses attrib.exe to hide files
Uses ping.exe to check the status of other devices and networks
Yara detected Blank Grabber
Yara detected Umbral Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1746412 Sample: NerusSpoofer.exe Startdate: 29/07/2025 Architecture: WINDOWS Score: 100 75 children-hughes.gl.at.ply.gg 2->75 77 ip-api.com 2->77 79 discord.com 2->79 103 Suricata IDS alerts for network traffic 2->103 105 Found malware configuration 2->105 107 Malicious sample detected (through community Yara rule) 2->107 109 18 other signatures 2->109 9 NerusSpoofer.exe 5 2->9         started        12 svchost.exe 2->12         started        signatures3 process4 dnsIp5 67 C:\ProgramData\XWormClient.exe, PE32 9->67 dropped 69 C:\ProgramData\Umbral.exe, PE32 9->69 dropped 71 C:\ProgramData71erusSpoofer.exe, PE32+ 9->71 dropped 73 C:\Users\user\...73erusSpoofer.exe.log, CSV 9->73 dropped 15 Umbral.exe 15 12 9->15         started        20 XWormClient.exe 6 9->20         started        22 NerusSpoofer.exe 9->22         started        81 127.0.0.1 unknown unknown 12->81 file6 process7 dnsIp8 83 ip-api.com 208.95.112.1, 49686, 49688, 80 TUT-ASUS United States 15->83 85 discord.com 162.159.135.232, 443, 49691 CLOUDFLARENETUS United States 15->85 59 C:\ProgramData\Microsoft\...\zhqvu.scr, PE32 15->59 dropped 61 C:\Windows\System32\drivers\etc\hosts, ASCII 15->61 dropped 63 C:\Users\user\AppData\...\Umbral.exe.log, ASCII 15->63 dropped 89 Antivirus detection for dropped file 15->89 91 Multi AV Scanner detection for dropped file 15->91 93 Suspicious powershell command line found 15->93 101 7 other signatures 15->101 24 cmd.exe 15->24         started        27 powershell.exe 15->27         started        29 WMIC.exe 1 15->29         started        39 9 other processes 15->39 87 children-hughes.gl.at.ply.gg 147.185.221.30, 38013 SALSGIVERUS United States 20->87 65 C:\Users\user\AppData\Local\Update.exe, PE32 20->65 dropped 95 Protects its processes via BreakOnTermination flag 20->95 97 Bypasses PowerShell execution policy 20->97 99 Adds a directory exclusion to Windows Defender 20->99 31 powershell.exe 23 20->31         started        33 powershell.exe 20->33         started        35 powershell.exe 20->35         started        37 powershell.exe 20->37         started        file9 signatures10 process11 signatures12 111 Uses ping.exe to check the status of other devices and networks 24->111 55 2 other processes 24->55 41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        113 Loading BitLocker PowerShell Module 31->113 45 conhost.exe 31->45         started        47 conhost.exe 33->47         started        49 conhost.exe 35->49         started        51 conhost.exe 37->51         started        53 conhost.exe 39->53         started        57 8 other processes 39->57 process13
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.87 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-07-29 01:31:20 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:umbral family:xworm execution rat stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Detects Umbral payload
Umbral
Umbral family
Xworm
Xworm family
Malware Config
C2 Extraction:
https://discord.com/api/webhooks/1399534855808618637/1kZrdmGLBJd-JntEoE4VqoQrogEdZXQirKu9Z9CXzgpmtJSL-WpD3w7LEZmsJ20HzpBo
children-hughes.gl.at.ply.gg:38013
Unpacked files
SH256 hash:
909cef371bd79028339cbf7197c5ed944b879c5df578a768798c3c9014cf0804
MD5 hash:
022235983c4ed807312ded7bf05a4dbb
SHA1 hash:
a2e67f249e1294f0be5308d0e19f7b03050b7ec3
SH256 hash:
4965f01f635ab5c77075e2a2122f9c582919b260c4a5983c1841b13e9e44a591
MD5 hash:
e8b488b9f4a50ff944c6dc4fe3a93dff
SHA1 hash:
b09beafdd2cb30fab37494cbdaec3989e1f45f1e
Detections:
win_xworm_w0 win_xworm_bytestring win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT MALWARE_Win_XWorm
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

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