MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7. 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: 13


Maldoc score: 2


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7
SHA3-384 hash: f0c16a2335070325cbc5389d2c9e7687082599d6af46e1f2777790fee7e046e1aa522983726df832ce261c9fd5eed67d
SHA1 hash: e154708212a91d38e0d16be2e7f16b10be64a30c
MD5 hash: fc4cd373d66d684cb35abc6124b24b07
humanhash: floor-zulu-london-apart
File name:NOTICE-1011.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:93'184 bytes
First seen:2022-11-10 09:07:28 UTC
Last seen:2022-11-10 10:42:46 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgMbCXuZH4gb4CEn9J4ZiX3O:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2
TLSH T154932A86B2F9D8ADEA19C734889B4390A722EC204B564BCB3244F3A67FB0D505F535D7
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter adrian__luca
Tags: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
382862 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 :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NOTICE-1011.xls
Verdict:
Suspicious activity
Analysis date:
2022-11-10 09:09:17 UTC
Tags:
macros
Link:
https://app.any.run/tasks/2eef6159-805a-428e-aa21-11cad4ff549e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/331813/
Detection(s):
TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.URLDOWNLOADTOFILE.200415.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.SHELLEXECUTE.200416.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.SHELLEXECUTE.200524.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.EmoPicturesOfU.MSOLE2.221109.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:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
DNS request
Creating a file
Creating a process with a hidden window
Launching a process
Moving a recently created file
Query of malicious DNS domain
Sending an HTTP GET request
Sending a TCP request to an infection source by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Link:
https://app.docguard.net/ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7/results/dashboard
Payload URLs
URL
File name
encuadernacionesartis.com
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware macros macros-on-open regsvr32
Link:
https://www.filescan.io/uploads/636cbf7482dd9f2e26534efc/reports/652d1ce2-feb7-4322-9d8b-4847bc6d0df3/overview
Label:
Benign
Suspicious Score:
3.7/10
Score Malicious:
38%
Score Benign:
62%
Link:
https://www.malware.ai/gui/files/?id=ee84956b-a6c5-4ebf-9753-41f36eb81ee7
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7
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/1110216
Signature
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)
Multi AV Scanner detection for domain / URL
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: 742891 Sample: NOTICE-1011.xls Startdate: 10/11/2022 Architecture: WINDOWS Score: 100 59 128.66.2.0 WINDTRE-ASIT Italy 2->59 61 128.66.3.0 WINDTRE-ASIT Italy 2->61 63 42 other IPs or domains 2->63 77 Snort IDS alert for network traffic 2->77 79 Multi AV Scanner detection for domain / URL 2->79 81 Antivirus detection for URL or domain 2->81 83 9 other signatures 2->83 8 EXCEL.EXE 30 29 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 65 choltice.eu 80.250.5.74, 49176, 80 WIA-ASCZ Czech Republic 8->65 67 eznetb.synology.me 210.218.134.74, 49174, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 8->67 69 2 other IPs or domains 8->69 47 C:\Users\user\elv4.ooocccxxx, PE32+ 8->47 dropped 49 C:\Users\user\elv3.ooocccxxx, PE32+ 8->49 dropped 51 C:\Users\user\elv2.ooocccxxx, PE32+ 8->51 dropped 57 6 other malicious files 8->57 dropped 87 Document exploit detected (creates forbidden files) 8->87 89 Document exploit detected (UrlDownloadToFile) 8->89 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        91 System process connects to network (likely due to code injection or exploit) 13->91 53 C:\Users\user\AppData\...\10D3.tmp (copy), PE32+ 15->53 dropped 55 C:\Users\user\AppData\...\361E.tmp (copy), PE32+ 17->55 dropped file6 signatures7 process8 file9 39 C:\Windows\System32\...KUdPOgOx.dll (copy), PE32+ 19->39 dropped 85 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->85 29 regsvr32.exe 1 19->29         started        41 C:\Windows\...\bjroIRcdlzvOg.dll (copy), PE32+ 23->41 dropped 33 regsvr32.exe 1 23->33         started        43 C:\Windows\...\ROUIKaDjUTmSgrM.dll (copy), PE32+ 25->43 dropped 35 regsvr32.exe 1 25->35         started        45 C:\Windows\System32\...\llrul.dll (copy), PE32+ 27->45 dropped 37 regsvr32.exe 1 27->37         started        signatures10 process11 dnsIp12 71 218.38.121.17, 443, 49187, 49192 SKB-ASSKBroadbandCoLtdKR Korea Republic of 29->71 73 115.178.55.22, 49177, 49178, 49179 SIMAYA-AS-IDPTSimayaJejaringMandiriID Indonesia 29->73 75 172.105.115.71, 49181, 49182, 49185 LINODE-APLinodeLLCUS United States 29->75 93 Creates multiple autostart registry keys 29->93 95 Creates an autostart registry key pointing to binary in C:\Windows 29->95 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7/
Threat name:
Document-Excel.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2022-11-10 05:50:27 UTC
File Type:
Document
Extracted files:
11
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5yebiwvpxp7awkydawx2hc42z4soqf5hdkqkagsorgfupxyeahlq._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet botnet:epoch5 banker macro persistence trojan xlm
Link:
https://tria.ge/reports/221110-k3xldsged3/
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
Adds Run key to start application
Loads dropped DLL
Downloads MZ/PE file
Emotet
Process spawned unexpected child process
Malware Config
C2 Extraction:
202.28.34.99:8080
80.211.107.116:8080
175.126.176.79:8080
218.38.121.17:443
139.196.72.155:8080
103.71.99.57:8080
87.106.97.83:7080
178.62.112.199:8080
64.227.55.231:8080
46.101.98.60:8080
54.37.228.122:443
128.199.217.206:443
190.145.8.4:443
209.239.112.82:8080
85.214.67.203:8080
198.199.70.22:8080
128.199.242.164:8080
178.238.225.252:8080
103.85.95.4:8080
103.126.216.86:443
104.244.79.94:443
36.67.23.59:443
37.44.244.177:8080
160.16.143.191:8080
85.25.120.45:8080
103.56.149.105:8080
210.57.209.142:8080
195.77.239.39:8080
62.171.178.147:8080
118.98.72.86:443
103.224.241.74:8080
185.148.169.10:8080
103.41.204.169:8080
186.250.48.5:443
165.22.254.236:8080
93.104.209.107:8080
139.59.80.108:8080
196.44.98.190:8080
114.79.130.68:443
115.178.55.22:80
103.254.12.236:7080
172.105.115.71:8080
174.138.33.49:7080
51.75.33.122:443
83.229.80.93:8080
78.47.204.80:443
188.165.79.151:443
202.134.4.210:7080
82.98.180.154:7080
Dropper Extraction:
https://encuadernacionesartis.com/Vk2Z1Na/IZpyySkbU/
http://eznetb.synology.me/@eaDir/E36Y/
http://bytesendesign.nl/cgi-bin/LolX/
http://choltice.eu/mwc/syl3Y/
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0e4af1f5-e73a-42c4-8086-ebd341dfc4d3
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/ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7

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:Qbot
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule to Detect Qbot
Rule name:SUSP_Excel4Macro_AutoOpen
Create hunting rule
Author:John Lambert @JohnLaTwC
Description:Detects Excel4 macro use with auto open / close

File information

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

Malspam

SilentBuilder

Excel file xls ee08145aafbbfe0b2b0305afa38b9acf24e817a71aa0a01a4e898b47df0401d7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/331813/

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