MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4378723bbaa2ae5af38272974f1f5e2987ab05bbf52c0a64edd56f027be19bcd. 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
Maldoc score: 32
| SHA256 hash: | 4378723bbaa2ae5af38272974f1f5e2987ab05bbf52c0a64edd56f027be19bcd |
|---|---|
| SHA3-384 hash: | 7ed6544a4af90cb369112d351bfbbe474700b428bf3f4b9bb5ec1db1fdf78a338d8d0ae308c758fcfc8bcfa0cd170eab |
| SHA1 hash: | d9788b9215a128f8c0090d011730bb97aecc9cd0 |
| MD5 hash: | 997d3533aa9210c4091c19a25e3eef10 |
| humanhash: | north-princess-charlie-network |
| File name: | Purchase order_090.xlsm |
| Download: | download sample |
| Signature | XWorm |
| File size: | 145'772 bytes |
| First seen: | 2026-07-13 17:21:49 UTC |
| Last seen: | Never |
| File type: |  xlsm |
| MIME type: | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| ssdeep | 3072:MERwd9zQq190bd+O3hnfd6ZclHy/8dalPr4BXHE3+v6uiOZ3ZGgToOqknO:ttg0b8OlgZAHNaZ0BU3+v6uFbFqknO |
| TLSH | T1E7E312AEE93D5A07D5778831C5C8574AF926D2CC11A4B2390BC0872FB6CA0939F897D7 |
| TrID | 42.4% (.XLAM) Excel Macro-enabled Open XML add-in (83500/1/13) 29.2% (.XLSM) Excel Microsoft Office Open XML Format document (with Macro) (57500/1/12) 17.3% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7) 8.9% (.ZIP) Open Packaging Conventions container (17500/1/4) 2.0% (.ZIP) ZIP compressed archive (4000/1) |
| Magika | xlsx |
| Reporter |  abuse_ch |
| Tags: | xlsm xworm |
Office OLE Information
This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.
OLE id
| Maldoc score: 32 |
| File Format is MS Excel 2007+ |
| Container Format is OpenXML |
| Office document contains VBA Macros |
OLE dump
MalwareBazaar was able to identify 12 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| A1 | 460 bytes | PROJECT |
| A2 | 83 bytes | PROJECTwm |
| A3 | 991 bytes | VBA/Sheet1 |
| A4 | 991 bytes | VBA/Sheet2 |
| A5 | 6171 bytes | VBA/ThisWorkbook |
| A6 | 3067 bytes | VBA/_VBA_PROJECT |
| A7 | 1810 bytes | VBA/__SRP_0 |
| A8 | 336 bytes | VBA/__SRP_1 |
| A9 | 1075 bytes | VBA/__SRP_2 |
| A10 | 504 bytes | VBA/__SRP_3 |
| A11 | 542 bytes | VBA/dir |
OLE vba
MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Workbook_Open | Runs when the Excel Workbook is opened |
| IOC | wscript.exe | Executable file name |
| Suspicious | expandenvironmentstrings | May read system environment variables |
| Suspicious | Open | May open a file |
| Suspicious | Write | May write to a file (if combined with Open) |
| Suspicious | ADODB.Stream | May create a text file |
| Suspicious | WriteText | May create a text file |
| Suspicious | SaveToFile | May create a text file |
| Suspicious | shell | May run an executable file or a systemcommand |
| Suspicious | wscript.shell | May run an executable file or a systemcommand |
| Suspicious | Run | May run an executable file or a systemcommand |
| Suspicious | CreateObject | May create an OLE object |
| Suspicious | Xor | May attempt to obfuscate specific strings(use option --deobf to deobfuscate) |
| Suspicious | Hex Strings | Hex-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all) |
Intelligence
File Origin
# of uploads :
1
# of downloads :
165
Origin country :
SEVendor Threat Intelligence
Malware configuration found for:
MSO
Details
Verdict:
Malicious
File type:
application/octet-stream
Has a screenshot:
False
Contains macros:
False
Detection:
n/a
Verdict:
Malicious
Score:
70%
Tags:
office macro micro
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process with a hidden window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Excel File with Macro
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 encrypted evasive lolbin macros macros-on-open obfuscated wscript
Verdict:
Malicious
Labled as:
Msoffice/malicious_confidence_100%
Label:
Benign
Suspicious Score:
/10
Score Malicious:
%
Score Benign:
1%
Verdict:
Malicious
File Type:
xlsm
First seen:
2026-07-13T12:13:00Z UTC
Last seen:
2026-07-15T12:05:00Z UTC
Hits:
~100
Result
Threat name:
n/a
Detection:
malicious
Classification:
phis.expl.evad
Score:
100 / 100
Signature
AI detected malicious page (phishing or scam)
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to WSH operations (process, registry, environment, or keystrokes)
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process queries suspicious COM object (likely to drop second stage)
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Verdict:
Malware
YARA:
3 match(es)
Tags:
ADODB.Stream Blacklist VBA Office Document T1059.005 wscript.shell
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2026-07-13 14:01:05 UTC
AV detection:
6 of 38 (15.79%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
xworm
Score:
10/10
Tags:
family:xworm defense_evasion discovery execution macro persistence rat spyware trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
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
Checks computer location settings
Drops startup file
Executes dropped EXE
Badlisted process makes network request
Detect Xworm Payload
Family: Xworm
Process spawned unexpected child process
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | DebuggerException__SetConsoleCtrl |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | informational_win_ole_protected |
|---|---|
| Author: | Jeff White (karttoon@gmail.com) @noottrak |
| Description: | Identify OLE Project protection within documents. |
| Rule name: | TA505_Maldoc_21Nov_2 |
|---|---|
| Author: | Arkbird_SOLG |
| Description: | invitation (1).xls |
| Reference: | https://twitter.com/58_158_177_102/status/1197432303057637377 |
| Rule name: | TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments |
| Reference: | https://cyfare.net/ |
| Rule name: | vbaproject_bin |
|---|---|
| Author: | CD_R0M_ |
| Description: | {76 62 61 50 72 6f 6a 65 63 74 2e 62 69 6e} is hex for vbaproject.bin. Macros are often used by threat actors. Work in progress - Ran out of time |
| Rule name: | VECT_Ransomware |
|---|---|
| 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.
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