MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16. 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


SilentBuilder


Vendor detections: 15


Maldoc score: 2


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16
SHA3-384 hash: 1f47b61d99d323c3fb6eb64b8a8fd11cb15984a5e8263b332a6187ba150d15cb20bccd48273b70c83a9cb99afc1a7be2
SHA1 hash: 99b2f1ba3cfd48f344fe0552ff4308b1877f7542
MD5 hash: bf5319e9d582876aaaa4df46e74e74ee
humanhash: bacon-seventeen-two-don
File name:65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:221'696 bytes
First seen:2022-11-02 10:08:46 UTC
Last seen:2022-11-02 11:37:04 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:bKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgDyY+TAQXTHGUMEyP5p6f5jQmP:fbGUMVWlbP
TLSH T11024F15B77999E5EF529C33408E7036A7273FD008F2B078B3649B795AFB48A05E13246
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter ffforward
Tags:e5 Emotet epoch5 SilentBuilder 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: 2
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
3210264 bytesWorkbook
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
SuspiciousXLM macroXLM macro found. It may contain malicious code

Intelligence

File Origin
# of uploads :
2
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16.xls
Verdict:
Malicious activity
Analysis date:
2022-11-02 10:10:25 UTC
Tags:
macros loader
Link:
https://app.any.run/tasks/14af7797-a1bd-4e53-9d4a-c7507d66ae1d

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/327063/
Detection(s):
TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4DataopItWasGoodLivingWithYou.20211109.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20220215.UNOFFICIAL
Create hunting rule

Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
DNS request
Creating a file
Sending an HTTP GET request
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Link:
https://app.docguard.net/65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16/results/dashboard
Payload URLs
URL
File name
hsweixintp.com
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
emotet greyware keylogger macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/636241bece1f43143c2a6ddc/reports/12b917ee-741c-46b5-b55f-448871aba559/overview
Label:
Malicious
Suspicious Score:
5.4/10
Score Malicious:
54%
Score Benign:
46%
Link:
https://www.malware.ai/gui/files/?id=536b5002-c216-40d4-952c-8d7be76c3b28
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16
Details
Autostarting Excel Macro Sheet
Excel contains Macrosheet logic that will trigger automatically upon document open.
Result
Threat name:
Hidden Macro 4.0, Emotet
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1103430
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Drops PE files to the user root directory
Found Excel 4.0 Macro with suspicious formulas
Found malicious Excel 4.0 Macro
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Emotet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 736084 Sample: Info 0211.xls Startdate: 02/11/2022 Architecture: WINDOWS Score: 100 61 128.66.2.0 WINDTRE-ASIT Italy 2->61 63 128.66.3.0 WINDTRE-ASIT Italy 2->63 65 47 other IPs or domains 2->65 75 Snort IDS alert for network traffic 2->75 77 Antivirus detection for URL or domain 2->77 79 Antivirus / Scanner detection for submitted sample 2->79 81 11 other signatures 2->81 8 EXCEL.EXE 7 26 2->8         started        13 regsvr32.exe 2->13         started        15 regsvr32.exe 2 2->15         started        17 2 other processes 2->17 signatures3 process4 dnsIp5 67 www.hsweixintp.com 45.207.116.88, 49176, 80 XIAOZHIYUN1-AS-APICIDCNETWORKUS Seychelles 8->67 69 helpeve.com 46.4.183.211, 49175, 80 HETZNER-ASDE Germany 8->69 71 3 other IPs or domains 8->71 47 C:\Users\user\oxnv4.ooccxx, PE32+ 8->47 dropped 49 C:\Users\user\oxnv3.ooccxx, PE32+ 8->49 dropped 51 C:\Users\user\oxnv2.ooccxx, PE32+ 8->51 dropped 59 6 other malicious files 8->59 dropped 85 Document exploit detected (creates forbidden files) 8->85 87 Document exploit detected (UrlDownloadToFile) 8->87 19 regsvr32.exe 2 8->19         started        23 regsvr32.exe 2 8->23         started        25 regsvr32.exe 2 8->25         started        27 regsvr32.exe 2 8->27         started        89 System process connects to network (likely due to code injection or exploit) 13->89 53 C:\Users\user\AppData\...\9F1D.tmp (copy), PE32+ 15->53 dropped 55 C:\Users\user\AppData\...\F2A8.tmp (copy), PE32+ 17->55 dropped 57 C:\Users\user\AppData\...\B7CB.tmp (copy), PE32+ 17->57 dropped file6 signatures7 process8 file9 39 C:\Windows\System32\JHqspD\tBmO.dll (copy), PE32+ 19->39 dropped 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->83 29 regsvr32.exe 1 19->29         started        41 C:\Windows\System32\...\VKEynmpoB.dll (copy), PE32+ 23->41 dropped 33 regsvr32.exe 1 23->33         started        43 C:\Windows\System32\...\HVBly.dll (copy), PE32+ 25->43 dropped 35 regsvr32.exe 1 25->35         started        45 C:\Windows\System32\...\SuAmbVpvg.dll (copy), PE32+ 27->45 dropped 37 regsvr32.exe 1 27->37         started        signatures10 process11 dnsIp12 73 218.38.121.17, 443, 49179, 49180 SKB-ASSKBroadbandCoLtdKR Korea Republic of 29->73 91 Creates multiple autostart registry keys 29->91 93 Creates an autostart registry key pointing to binary in C:\Windows 29->93 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-11-02 10:00:41 UTC
File Type:
Document
Extracted files:
11
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mx3l6euzzatftvkeqlinbdwtrxg7mgbg67px7nudafrasm7gdyla._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet banker macro persistence trojan xlm
Link:
https://tria.ge/reports/221102-l6sx2sbfhl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Loads dropped DLL
Downloads MZ/PE file
Emotet
Process spawned unexpected child process
Malware Config
Dropper Extraction:
http://helpeve.com/multiwp/cxpkaAkAKPRUs4KL/
http://hsweixintp.com/wp-admin/3c2etiFC2RwmHfTS/
http://9hym.com/images/SXVIe4tbJw8ZCfa4TEt/
http://yuanliao.raluking.com/overemotionality/Vfc9v1ebcmaEguw/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/71dc80c4-3a68-4f61-aad4-b03c33142e5d
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/65f6bf1299c8/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/65f6bf1299c82659d54482d0d08ed38dcdf61826f7df7fb68301620933e61e16

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:Excel_Hidden_Macro_Sheet
Create hunting rule
Rule name:Qbot
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule to Detect Qbot

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/327063/

Comments