MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650. 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


NetWire


Vendor detections: 15


Maldoc score: 10


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650
SHA3-384 hash: b0436ddb1f5ddf66cb658edd051318f267d6b01d43cfc0506083553351d0fb46ef0fac19484e344893bb9f90b01d72e7
SHA1 hash: 169d96a1b25a369dd0ae99ac6f03c817cb9ff929
MD5 hash: 4b7e91a5f07bfa63ebfbdc143210cc9e
humanhash: summer-foxtrot-salami-march
File name:PO 0767532.xls
Download: download sample
Signature NetWire
Create hunting rule
File size:109'568 bytes
First seen:2022-09-26 08:18:57 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:B9xEtjPOtioVjDGUU1qfDlaGGx+cL2QnAB9pWkmanzr0O8yFKdshErls4:XxEtjPOtioVjDGUU1qfDlavx+W2QnABU
TLSH T1E8B3D503AD448587E41843B9BC934EED2E19BE08ED5726FF30617FDA3E742528D5B12A
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:NetWire xls

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: 10
OLE dump

MalwareBazaar was able to identify 17 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2264 bytesDocumentSummaryInformation
3216 bytesSummaryInformation
482052 bytesWorkbook
5567 bytes_VBA_PROJECT_CUR/PROJECT
6128 bytes_VBA_PROJECT_CUR/PROJECTwm
710398 bytes_VBA_PROJECT_CUR/VBA/Module1
8977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
9977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
10977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
11985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
123198 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
131260 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
1497 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
15114 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
16223 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
17609 bytes_VBA_PROJECT_CUR/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:

TypeKeywordDescription
AutoExecAutoOpenRuns when the Word document is opened
AutoExecAuto_OpenRuns when the Excel Workbook is opened
IOCWinUpdate.exeExecutable file name
IOCcertutil.exeExecutable file name
SuspiciousRunMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
254
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
NetWire
Create hunting rule
Link:
https://www.capesandbox.com/analysis/313482/
Detection(s):
TwinWave.MacroDoc.CROSPLICEMINESOFKESSEL.20191220.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.WSCRIPT.SHELL.200129.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ICEDIDOGORiginalGangsterCROMethodsM2.20200923.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROKissFromARose.20201210.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.WSCRIPT.210223.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.GETObjectConcatDevilInside.20210406.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.TakeMeHomeTonight.20210923.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.Heur.ObfDldr.31.B91B39DE.Gen.11619.15165.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXRSTRGOOD.WSCRIPT.SHELL.211119.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CertUtilFadeAway.20220102.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.OutRunThis.20220121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Sending an HTTP GET request
Creating a file in the %temp% directory
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
certutil certutil.exe greyware macros macros-on-open setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/6331612e73bbffe3a78bee81/reports/8e2edee2-6709-4a51-b59c-6cf80a732309/overview
Label:
Malicious
Suspicious Score:
9.9/10
Score Malicious:
99%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=6d3cff30-0fed-401d-9024-1da043b84f27
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650
Details
CreateObject Obfuscation
Detected an attempt to invoke CreateObject() with an obfuscated string.
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
InQuest Machine Learning
An InQuest machine-learning model classified this macro as potentially malicious.
Result
Threat name:
NetWire
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1077993
Signature
Antivirus detection for URL or domain
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA with base64 encoded strings
Document exploit detected (process start blacklist hit)
Drops PE files with a suspicious file extension
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
System process connects to network (likely due to code injection or exploit)
Yara detected AntiVM autoit script
Yara detected NetWire RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 710539 Sample: PO 0767532.xls Startdate: 27/09/2022 Architecture: WINDOWS Score: 100 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 Multi AV Scanner detection for dropped file 2->73 75 8 other signatures 2->75 14 EXCEL.EXE 53 13 2->14         started        17 xckjkc.pif 2->17         started        process3 file4 65 C:\Users\user\Desktop\PO 0767532.xls, Composite 14->65 dropped 19 WinUpdate.exe 92 14->19         started        23 certutil.exe 13 14->23         started        26 wscript.exe 17->26         started        process5 dnsIp6 59 C:\Users\user\AppData\Local\...\xckjkc.pif, PE32 19->59 dropped 77 Multi AV Scanner detection for dropped file 19->77 79 Drops PE files with a suspicious file extension 19->79 28 xckjkc.pif 1 3 19->28         started        67 192.3.194.246, 49171, 49172, 80 AS-COLOCROSSINGUS United States 23->67 61 C:\Users\user\AppData\Local\...\WinUpdate.exe, PE32 23->61 dropped 63 C:\Users\...\4B127D5E912B11340B8F8609C566B296, PE32 23->63 dropped 81 System process connects to network (likely due to code injection or exploit) 23->81 31 xckjkc.pif 26->31         started        file7 signatures8 process9 signatures10 83 Multi AV Scanner detection for dropped file 28->83 33 wscript.exe 1 28->33         started        35 wscript.exe 31->35         started        process11 process12 37 xckjkc.pif 33->37         started        39 xckjkc.pif 35->39         started        process13 41 wscript.exe 1 37->41         started        43 wscript.exe 39->43         started        process14 45 xckjkc.pif 41->45         started        47 xckjkc.pif 43->47         started        process15 49 wscript.exe 45->49         started        51 wscript.exe 47->51         started        process16 53 xckjkc.pif 49->53         started        55 xckjkc.pif 51->55         started        process17 57 wscript.exe 53->57         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650/
Threat name:
Document-Office.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2022-09-26 08:19:08 UTC
File Type:
Document
Extracted files:
26
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nerqachl2tnxak2qdnotlvwfkunoluomo6oqxphukjxwa3ztezia._file
Result
Malware family:
netwire
Create hunting rule
Score:
  10/10
Tags:
family:netwire botnet macro macro_on_action persistence rat stealer
Link:
https://tria.ge/reports/220926-j7vf6abbgl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
NetWire RAT payload
Netwire
Process spawned unexpected child process
Malware Config
C2 Extraction:
37.0.14.206:3384
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e43542c2-a58e-4c20-94b2-8db25637701d
Malware family:
Netwire
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/69230008ebd4/report/overview.html
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/69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650

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.

Malspam

NetWire

Excel file xls 69230008ebd4db702b501b5d35d6c5551ae5d1cc779d0bbcf4526f606f332650

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/313482/

Comments