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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a
SHA3-384 hash: 952d81b3b0f84130fb3932e76fb84c2216a9d9b98f48750060306880df90856ec7d64b450e41fe835dd5c37296e9bed4
SHA1 hash: 60835bcf538ee515bee207c8ee21170916f25045
MD5 hash: c7d71ad31771236d20b4b88b12586655
humanhash: oven-tennis-coffee-iowa
File name:Faktura pro forma.vbs
Download: download sample
Signature XWorm
Create hunting rule
File size:406'387 bytes
First seen:2026-10-08 09:42:34 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 6144:U4swFCi/kl1Cwajbft9wLvDeccG6hG4przoYQYhclWbEbJrjF2uIIYRd4m+0b+k4:dx+1Ct/t9wLLebhI4RzrSlEAq/Rf+W9G
TLSH T13384D0B8E46BF8E31257C22BD3406D5786761AC64766F16503AE2F874E1EFD4CF68880
Magika vba
Reporter abuse_ch
Tags:vbs xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
116
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/91079/
Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ad0685d6f551121ba15cb03
Tags:
obfuscate remcos shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated powershell
Link:
https://www.filescan.io/uploads/6ac765bd239dbaf8937be232/reports/afbf2605-aa9b-45f4-a053-92d88c8b6bcc/overview
Verdict:
Suspicious
Labled as:
VBS/Agent.DCB
Link:
https://www.hybrid-analysis.com/sample/876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a
Verdict:
Malicious
File Type:
vbs
First seen:
2026-10-08T03:10:00Z UTC
Last seen:
2026-10-10T01:50:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a/results?tab=lookup
Result
Threat name:
Remcos, XWorm
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1984052
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to register a low level keyboard hook
Contains functionalty to change the wallpaper
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Hijacks the control flow in another process
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Sample uses string decryption to hide its real strings
Sigma detected: Invoke-Obfuscation Via Stdin
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Sigma detected: Powershell launch wmic via class
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Unusual module load detection (module proxying)
Uses cmd line tools excessively to alter registry or file data
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
WScript reads language and country specific registry keys (likely country aware script)
Wscript starts Powershell (via cmd or directly)
Yara detected Powershell decode and execute
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1984052 Sample: Faktura pro forma.vbs Startdate: 08/10/2026 Architecture: WINDOWS Score: 100 170 keyauth.win 2->170 174 Sigma detected: Powershell launch wmic via class 2->174 176 Suricata IDS alerts for network traffic 2->176 178 Found malware configuration 2->178 180 16 other signatures 2->180 15 wscript.exe 1 2->15         started        18 conhost.exe 2->18         started        20 conhost.exe 2->20         started        22 5 other processes 2->22 signatures3 process4 signatures5 230 Wscript starts Powershell (via cmd or directly) 15->230 232 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->232 234 Suspicious execution chain found 15->234 236 2 other signatures 15->236 24 cmd.exe 1 15->24         started        27 cmd.exe 1 15->27         started        29 cmd.exe 18->29         started        31 cmd.exe 20->31         started        33 cmd.exe 22->33         started        35 cmd.exe 22->35         started        37 cmd.exe 22->37         started        39 cmd.exe 22->39         started        process6 signatures7 190 Wscript starts Powershell (via cmd or directly) 24->190 41 powershell.exe 24->41         started        43 2 other processes 24->43 45 2 other processes 27->45 192 Suspicious powershell command line found 29->192 49 4 other processes 29->49 51 4 other processes 31->51 194 Uses cmd line tools excessively to alter registry or file data 33->194 53 4 other processes 33->53 55 3 other processes 35->55 57 3 other processes 37->57 59 3 other processes 39->59 process8 file9 61 powershell.exe 1 46 41->61         started        160 C:\Users\user\AppData\...\214712147115.cmd, ASCII 45->160 dropped 218 Found suspicious powershell code related to unpacking or dynamic code loading 45->218 65 cmd.exe 49->65         started        67 cmd.exe 51->67         started        69 cmd.exe 53->69         started        signatures10 process11 file12 162 C:\Users\user\...\dcom_lease_VZFSKUEMh.cmd, DOS 61->162 dropped 164 C:\Users\user\...\dcom_lease_PEFWYDTT.cmd, ASCII 61->164 dropped 166 C:\Users\user\AppData\...\dcom_lease.cfg, ASCII 61->166 dropped 220 Hijacks the control flow in another process 61->220 222 Creates multiple autostart registry keys 61->222 224 Creates an autostart registry key pointing to binary in C:\Windows 61->224 228 3 other signatures 61->228 71 choice.exe 61->71         started        76 conhost.exe 61->76         started        226 Wscript starts Powershell (via cmd or directly) 65->226 78 powershell.exe 65->78         started        88 2 other processes 65->88 80 powershell.exe 67->80         started        82 conhost.exe 67->82         started        84 powershell.exe 67->84         started        86 powershell.exe 69->86         started        90 2 other processes 69->90 signatures13 process14 dnsIp15 172 45.136.5.227, 23101, 49716 AS-PIXOOFTR Turkey 71->172 158 C:\Users\user\AppData\Local\Temp\kxcfdx.vbs, ASCII 71->158 dropped 196 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 71->196 198 Tries to harvest and steal browser information (history, passwords, etc) 71->198 200 Unusual module load detection (module proxying) 71->200 92 wscript.exe 71->92         started        95 csc.exe 71->95         started        98 conhost.exe 71->98         started        100 choice.exe 71->100         started        102 powershell.exe 78->102         started        104 powershell.exe 80->104         started        106 powershell.exe 86->106         started        file16 signatures17 process18 file19 202 Wscript starts Powershell (via cmd or directly) 92->202 204 WScript reads language and country specific registry keys (likely country aware script) 92->204 108 cmd.exe 92->108         started        111 cmd.exe 92->111         started        168 C:\Users\user\AppData\Local\Temp\choice.exe, PE32 95->168 dropped 123 2 other processes 95->123 206 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 102->206 208 Writes to foreign memory regions 102->208 210 Maps a DLL or memory area into another process 102->210 212 Sample uses process hollowing technique 102->212 113 choice.exe 102->113         started        125 3 other processes 102->125 214 Hijacks the control flow in another process 104->214 115 choice.exe 104->115         started        117 choice.exe 104->117         started        119 conhost.exe 104->119         started        121 conhost.exe 106->121         started        signatures20 process21 signatures22 216 Wscript starts Powershell (via cmd or directly) 108->216 127 powershell.exe 108->127         started        129 conhost.exe 108->129         started        131 powershell.exe 108->131         started        133 powershell.exe 111->133         started        136 conhost.exe 111->136         started        142 2 other processes 113->142 138 conhost.exe 115->138         started        140 conhost.exe 117->140         started        144 2 other processes 125->144 process23 file24 146 powershell.exe 127->146         started        156 C:\Users\user\AppData\...\215052150550.cmd, ASCII 133->156 dropped process25 file26 152 C:\Users\user\...\clr_usage_NOGBUSNF.cmd, ASCII 146->152 dropped 154 C:\Users\user\AppData\Local\...\clr_usage.dat, ASCII 146->154 dropped 182 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 146->182 184 Creates multiple autostart registry keys 146->184 186 Writes to foreign memory regions 146->186 188 2 other signatures 146->188 150 conhost.exe 146->150         started        signatures27 process28
Score:
92%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a
Verdict:
Malware
YARA:
2 match(es)
Tags:
COM Behavior Trace DeObfuscated Obfuscated PowerShell T1027 T1059 T1059.001 T1059.005 VBScript WScript.Shell
Link:
https://app.malva.re/file/c7d71ad31771236d20b4b88b12586655
Detection:
xworm
Create hunting rule
Link:
https://mwdb.cert.pl/sample/876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-10-08 09:39:38 UTC
File Type:
Text (VBS)
AV detection:
6 of 38 (15.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=q5w6ja73i6db4j6t4n4z6amzww3zx5gn6zewj2lue4666wwphbfa._file
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:xworm botnet:new defense_evasion discovery execution persistence privilege_escalation rat trojan
Link:
https://tria.ge/reports/261008-lp32paeb84/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
Enumerates video capture drivers
Executes a VBScript file via the Windows Script Host.
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Family: Remcos
Family: Xworm
UAC bypass
Malware Config
C2 Extraction:
45.136.5.227:23101
45.136.5.227:10123
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/876de483fb47861e27d3e3799f0199b5b79bf4cdf64964e974273def5acf384a

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:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.

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/91079/

Comments