MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3446a5b9a23636ce98cf0feaf468777fa5956098d2d072989883885027bb140. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments

SHA256 hash: a3446a5b9a23636ce98cf0feaf468777fa5956098d2d072989883885027bb140
SHA3-384 hash: 1229da3da519b30e8b1c24c828900ca7308e99c0cd2e11a7c9f8e59cd9f5f537ae8c906460c6104550afd66fdfcf74d2
SHA1 hash: f25484a0bde76581e4005feec7a18754132fd290
MD5 hash: e64bdffdf590ff465e553612fa59e557
humanhash: hydrogen-king-king-don
File name:Pro-Forma Invoice.xlam
Download: download sample
Signature XWorm
File size:2'966'288 bytes
First seen:2026-02-04 09:40:50 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 49152:VOc2yD4lTP0EzKaJ+zU6fZJ5GPKAXxTqm23E0iA+2+eo9uYIn/gNlx:VoyEFP/zz+zU6/qNeoon/g3x
TLSH T147D502BB98B2A5536B604663EB0F2C1E339B19D53B14D342E901959C6F3B1D38F92723
TrID 61.2% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
31.5% (.ZIP) Open Packaging Conventions container (17500/1/4)
7.2% (.ZIP) ZIP compressed archive (4000/1)
Magika xlsx
Reporter abuse_ch
Tags:CVE-2017-11882 xlam xlsx 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 dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
A12829478 bytesOlE10nAtIVE
A20 bytesU7OEAh1T

Intelligence


File Origin
# of uploads :
1
# of downloads :
112
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted OLE packages, if they are present within the input OOXML document
Malware family:
n/a
ID:
1
File name:
_a3446a5b9a23636ce98cf0feaf468777fa5956098d2d072989883885027bb140.zip
Verdict:
No threats detected
Analysis date:
2026-02-04 09:42:28 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
obfuscate xtreme remo
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit masquerade shellcode
Label:
Benign
Suspicious Score:
4.3/10
Score Malicious:
44%
Score Benign:
56%
Verdict:
Malicious
File Type:
xlam
Detections:
Trojan.MSOffice.SAgent.sb HEUR:Exploit.OLE2.Generic HEUR:Exploit.MSOffice.CVE-2018-0802.gen Trojan-Downloader.Agent.HTTP.C&C Trojan-Downloader.JS.SLoad.sb Trojan.JS.SAgent.sb PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C Trojan.MSOffice.Agent.sb HEUR:Trojan.Script.Generic Exploit.MSOffice.CVE-2018-0802.b Trojan.Win32.Shelma.sb
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Office Document
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2018-0802
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2026-02-04 09:41:23 UTC
File Type:
Document
Extracted files:
16
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:telebot_framework
Author:vietdx.mb
Rule name:Warp
Author:Seth Hardy
Description:Warp
Rule name:WarpStrings
Author:Seth Hardy
Description:Warp Identifying Strings

File information


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

Comments