MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7942e847e6ff42dfce09d48fa80c44c901151a29aac8c9122804e777ed9e1288. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash: 7942e847e6ff42dfce09d48fa80c44c901151a29aac8c9122804e777ed9e1288
SHA3-384 hash: cac1b9615a6b63fe99e558419582c38997f4d4774e5572356e57fada8e62ccf62fa3ca36bf8d93f784b6f7bba69a7389
SHA1 hash: fa422af3a30da42115dd9b6c9380c3500af1d860
MD5 hash: 0ead968b829f81d17c9fbd8c61ce77ce
humanhash: bacon-quebec-north-golf
File name:UDD.exe
Download: download sample
Signature XWorm
File size:10'764'288 bytes
First seen:2025-12-15 10:22:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 580439ec31a01f8f85b28e29a258c8ee (4 x XWorm)
ssdeep 98304:hZ0jUr3qPodOw5WkJpzE4V3HuHtSNtpX/r+NYx:v0jOqPokw5WkoA3OHWpXj0Yx
TLSH T1DBB6BE18A3E500B5E43BD634CA65C633CAB97C925636E10F1958F2C61F73E608B6F726
TrID 66.6% (.EXE) InstallShield setup (43053/19/16)
16.2% (.EXE) Win64 Executable (generic) (10522/11/4)
7.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.1% (.EXE) OS/2 Executable (generic) (2029/13)
3.0% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
dhash icon 8273727272727272 (3 x XWorm)
Reporter abuse_ch
Tags:exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
UDD.exe
Verdict:
Malicious activity
Analysis date:
2025-12-15 14:12:42 UTC
Tags:
evasion auto-reg remote xworm

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

Behaviour
DNS request
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypto fingerprint microsoft_visual_cc packed
Verdict:
Adware
File Type:
exe x64
First seen:
2025-12-14T23:23:00Z UTC
Last seen:
2025-12-15T14:04:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Found Tor onion address
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Tor Client/Browser Execution
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1832912 Sample: UDD.exe Startdate: 15/12/2025 Architecture: WINDOWS Score: 100 53 berlin101.com 2->53 55 ipwho.is 2->55 57 3 other IPs or domains 2->57 69 Suricata IDS alerts for network traffic 2->69 71 Found malware configuration 2->71 73 Antivirus detection for URL or domain 2->73 75 7 other signatures 2->75 8 UDD.exe 2 32 2->8         started        13 UDD.exe 1 2->13         started        15 UDD.exe 2->15         started        signatures3 process4 dnsIp5 59 ipwho.is 15.204.213.5 HP-INTERNET-ASUS United States 8->59 61 dist.torproject.org 116.202.120.165, 443, 49714 HETZNER-ASDE Germany 8->61 63 ipapi.co 104.26.8.44 CLOUDFLARENETUS United States 8->63 37 C:\Users\user\AppData\Roaming\...\tor.exe, PE32+ 8->37 dropped 39 C:\Users\user\AppData\...\tor-gencert.exe, PE32+ 8->39 dropped 41 C:\Users\user\AppData\...\lyrebird.exe, PE32+ 8->41 dropped 43 C:\Users\user\AppData\...\conjure-client.exe, PE32+ 8->43 dropped 77 Query firmware table information (likely to detect VMs) 8->77 79 Found Tor onion address 8->79 81 Writes to foreign memory regions 8->81 17 jsc.exe 3 8->17         started        21 tor.exe 13 8->21         started        83 Allocates memory in foreign processes 13->83 85 Injects a PE file into a foreign processes 13->85 23 tor.exe 2 13->23         started        25 jsc.exe 1 13->25         started        27 tor.exe 15->27         started        29 jsc.exe 15->29         started        file6 signatures7 process8 dnsIp9 45 berlin101.com 158.94.209.180 JANETJiscServicesLimitedGB United Kingdom 17->45 65 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 17->65 47 205.185.123.93, 49730, 9001 PONYNETUS United States 21->47 49 188.165.136.211, 49733, 8081 OVHFR France 21->49 51 5 other IPs or domains 21->51 67 Found Tor onion address 21->67 31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        signatures10 process11
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Threat name:
Win64.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-12-15 10:42:39 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
10 of 23 (43.48%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Detect Xworm Payload
Xworm
Xworm family
Unpacked files
SH256 hash:
7942e847e6ff42dfce09d48fa80c44c901151a29aac8c9122804e777ed9e1288
MD5 hash:
0ead968b829f81d17c9fbd8c61ce77ce
SHA1 hash:
fa422af3a30da42115dd9b6c9380c3500af1d860
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:Jupyter_infostealer
Author:CD_R0M_
Description:Rule for Jupyter Infostealer/Solarmarker malware from september 2021-December 2022
Rule name:Lumma_Stealer_Detection
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:NET
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_Generic_MassHunt_Win_Malware_2025_CYFARE
Author:CYFARE
Description:Generic Windows malware mass-hunt rule - 2025
Reference:https://cyfare.net/

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

XWorm

Executable exe 7942e847e6ff42dfce09d48fa80c44c901151a29aac8c9122804e777ed9e1288

(this sample)

  
Delivery method
Distributed via web download

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