MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52. 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


XenoRAT


Vendor detections: 16


Maldoc score: 23


Intelligence 16 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52
SHA3-384 hash: 0303610bfe77c645537349326be20d82faa0296303b25e201b085ea8227581949efdaf748f0cdc4b84cf749515eae9c7
SHA1 hash: b669b63e818628044a49c33a2c4edb9840bb030e
MD5 hash: 90f57a9578ce153c8520aee9b42d0407
humanhash: timing-orange-helium-harry
File name:90f57a9578ce153c8520aee9b42d0407.doc
Download: download sample
Signature XenoRAT
Create hunting rule
File size:36'352 bytes
First seen:2024-12-06 14:23:07 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 384:wRpiSY5U1zhghLadtb/W5t7c4AZTA6C60jYvA6cSPvuC9:E7n1QvyTA6NJvA6cSeC9
TLSH T1F4F2C542B292D65BF25506796DC7C7EAB23ABC589D46820B33807B1EBC75AF4CE00741
TrID 52.6% (.DOC) Microsoft Word document (30000/1/2)
33.3% (.DOC) Microsoft Word document (old ver.) (19000/1/2)
14.0% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika doc
Reporter abuse_ch
Tags:doc XenoRAT

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: 23
OLE dump

MalwareBazaar was able to identify 11 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
24096 bytesDocumentSummaryInformation
34096 bytesSummaryInformation
46775 bytes1Table
5488 bytesMacros/PROJECT
671 bytesMacros/PROJECTwm
7918 bytesMacros/VBA/NewMacros
85305 bytesMacros/VBA/ThisDocument
94315 bytesMacros/VBA/_VBA_PROJECT
10579 bytesMacros/VBA/dir
114096 bytesWordDocument
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecDocument_OpenRuns when the Word or Publisher document is opened
SuspiciousOpenMay open a file
SuspiciousWriteMay write to a file (if combined with Open)
Suspiciousadodb.streamMay create a text file
SuspiciousSaveToFileMay create a text file
SuspiciousShellMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousShell.ApplicationMay run an application (if combined with CreateObject)
Suspiciousmicrosoft.xmlhttpMay download files from the Internet
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
427
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
90f57a9578ce153c8520aee9b42d0407.doc
Verdict:
Malicious activity
Analysis date:
2024-12-06 14:32:33 UTC
Tags:
macros macros-on-open loader xenorat rat confuser
Link:
https://app.any.run/tasks/45514aad-daa3-4f75-b269-cd0f604ee98e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
MiscreantPunch.EvilMacro.AODBWSRBMS.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.StatusIsLikeAFriend.20210201.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.XlsM.objshell.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6753090819fba9940b4989df
Tags:
office macro micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Connection attempt to an infection source by exploiting the app vulnerability
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Query of malicious DNS domain
Connection attempt by exploiting the app vulnerability
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Link:
https://app.docguard.net/c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper macros macros-on-open obfuscated packed
Link:
https://www.filescan.io/uploads/67530908c14b32cf1c94c3e6/reports/d76c51ad-95d7-475c-a988-7324585a2b7c/overview
Verdict:
Malicious
Labled as:
Msoffice/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
1%
Score Benign:
%
Link:
https://www.malware.ai/gui/files/?id=db6320df-1061-49ef-811a-542d784971e2
Result
Verdict:
SUSPICIOUS
Link:
https://labs.inquest.net/dfi/sha256/c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
XenoRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1570117
Signature
.NET source code contains potential unpacker
.NET source code contains process injector
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 HTTP operations
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many randomly named variables
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Office process drops PE file
Sigma detected: File With Uncommon Extension Created By An Office Application
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XenoRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1570117 Sample: Ud68FEK0fy.doc Startdate: 06/12/2024 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Antivirus detection for URL or domain 2->70 72 Antivirus detection for dropped file 2->72 74 21 other signatures 2->74 9 WINWORD.EXE 345 35 2->9         started        14 taskeng.exe 1 2->14         started        process3 dnsIp4 60 www.stipamana.com 94.156.167.55, 443, 49161 SARNICA-ASBG Bulgaria 9->60 50 C:\Users\user\AppData\Roaming\...50BUTQYX.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\...\brtyhdrh[1].exe, PE32 9->52 dropped 54 C:\Users\...\~WRD0000.tmp:Zone.Identifier, ASCII 9->54 dropped 56 2 other malicious files 9->56 dropped 80 Document exploit detected (creates forbidden files) 9->80 16 NBUTQYX.exe 9->16         started        19 NBUTQYX.exe 14->19         started        file5 signatures6 process7 signatures8 62 Machine Learning detection for dropped file 16->62 64 Uses schtasks.exe or at.exe to add and modify task schedules 16->64 66 Injects a PE file into a foreign processes 16->66 21 NBUTQYX.exe 3 16->21         started        24 NBUTQYX.exe 5 16->24         started        27 NBUTQYX.exe 2 16->27         started        29 NBUTQYX.exe 19->29         started        31 NBUTQYX.exe 19->31         started        33 NBUTQYX.exe 19->33         started        process9 dnsIp10 46 C:\Users\user\AppData\Roaming\...46BUTQYX.exe, PE32 21->46 dropped 35 NBUTQYX.exe 21->35         started        58 dns.stipamana.com 87.120.120.27, 4567, 49162, 49163 UNACS-AS-BG8000BurgasBG Bulgaria 24->58 48 C:\Users\user\AppData\Local\...\tmpD8F2.tmp, ASCII 24->48 dropped 38 schtasks.exe 24->38         started        file11 process12 signatures13 76 Machine Learning detection for dropped file 35->76 78 Injects a PE file into a foreign processes 35->78 40 NBUTQYX.exe 2 35->40         started        42 NBUTQYX.exe 2 35->42         started        44 NBUTQYX.exe 35->44         started        process14
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52/
Threat name:
Win32.Exploit.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-12-06 14:24:07 UTC
File Type:
Document
Extracted files:
18
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zgvtyreb3kktjdy5mx7mxdndjhwnwgbg6fwsp3r6lrna2sjyjrja._file
Verdict:
malicious
Label(s):
xenorat
Create hunting rule
Similar samples:
error
XenoRAT
Result
Malware family:
xenorat
Create hunting rule
Score:
  10/10
Tags:
family:xenorat discovery macro macro_on_action rat trojan
Link:
https://tria.ge/reports/241206-rqq2ea1qcw/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Detect XenoRat Payload
XenorRat
Xenorat family
Malware Config
C2 Extraction:
dns.stipamana.com
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ec436eed-bec7-4402-972e-8a2c0fd09c1f
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:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.

File information

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

Web download

XenoRAT

Word file doc c9ab3c4481da95348f1d65fecb8da349ecdb1826f16d27ee3e5c5a0d49384c52

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3332896/
  
Delivery method
Distributed via web download

Comments