MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2
SHA3-384 hash: a54e8bd02b94fe969a26bbacc54dc0ce3122bb37f1d98548e23d478d5e3c31d347ad6620d459a2dffbcedcba0951a495
SHA1 hash: d24419c5e1a63ac9f552e59e1ed169e68096386c
MD5 hash: 9226cdef332b7e61317d0d12e76578c8
humanhash: pluto-stream-spring-hotel
File name:Invoice_88737.lnk
Download: download sample
Signature XWorm
Create hunting rule
File size:1'740 bytes
First seen:2023-09-16 11:29:39 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/octet-stream
ssdeep 24:8FimDF69tYDvqswCK4IWsOmJBWkp+/CWRHUTHVHeEcR5FpYkUm:8smR69tGy4sjJ4m14R5FplU
TLSH T17131300227B25366E3B70F7424FAE3329A327502FF82A75E1144635858A0E05ECB1F9F
Reporter r3dbU7z
Tags:lnk stager webdav xworm

Intelligence

File Origin
# of uploads :
1
# of downloads :
203
Origin country :
RU RU
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28759.LnkHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
evasive masquerade
Link:
https://www.filescan.io/uploads/650591bc0870810f018004f4/reports/cd02ecd3-b328-42e2-8156-1cd341973f47/overview
Verdict:
Suspicious
Labled as:
LNK/Autorun.Generic
Link:
https://www.hybrid-analysis.com/sample/916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2
Result
Verdict:
MALICIOUS
Details
Hidden Powershell
Detected a pivot to Powershell that utilizes commonly nefarious attributes such as '-windowstyle hidden'.
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1309424
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Benign windows process drops PE files
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Drops large PE files
Drops PE files to the document folder of the user
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Opens network shares
Uses known network protocols on non-standard ports
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Windows shortcut file (LNK) contains suspicious command line arguments
Windows shortcut file (LNK) starts blacklisted processes
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1309424 Sample: Invoice_88737.lnk Startdate: 16/09/2023 Architecture: WINDOWS Score: 100 32 Found malware configuration 2->32 34 Malicious sample detected (through community Yara rule) 2->34 36 Windows shortcut file (LNK) starts blacklisted processes 2->36 38 8 other signatures 2->38 8 powershell.exe 11 2->8         started        process3 signatures4 42 Opens network shares 8->42 11 wscript.exe 1 14 8->11         started        15 conhost.exe 1 8->15         started        process5 file6 26 C:\Users\user\Documents\payload\load.exe, PE32+ 11->26 dropped 44 Windows shortcut file (LNK) starts blacklisted processes 11->44 46 Benign windows process drops PE files 11->46 48 Drops PE files to the document folder of the user 11->48 52 2 other signatures 11->52 17 cmd.exe 1 11->17         started        50 Opens network shares 15->50 signatures7 process8 signatures9 30 Opens network shares 17->30 20 load.exe 3 17->20         started        24 conhost.exe 17->24         started        process10 dnsIp11 28 xxwmxx.myddns.me 154.53.50.79, 49703, 49704, 49705 COGENT-174US United States 20->28 40 Antivirus detection for dropped file 20->40 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2/
Threat name:
Shortcut.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-09-16 11:30:05 UTC
File Type:
Binary
AV detection:
5 of 20 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sfxkrpcxgxnoexve35hk3oqnut4f7wxk7go5n5zbbzco4wkeexra._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/230916-nl5gfsch73/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/916ea8bc5735/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2

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__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies executable artefacts in shortcut (LNK) files.
Rule name:LNK_sospechosos
Create hunting rule
Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PS_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies PowerShell artefacts in shortcut (LNK) files.
Rule name:Script_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies scripting artefacts in shortcut (LNK) files.
Rule name:SUSP_LNK_PowerShell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the reference to powershell inside an lnk file, which is suspicious

File information

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

Web download

XWorm

Shortcut (lnk) lnk 916ea8bc5735dae25ea4df4eadba0da4f85fdaeaf99dd6f7210e44ee594425e2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2712027/

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