MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929. 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: 7


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929
SHA3-384 hash: f29735af09cc965c39e4696a430b974087abb303bdd9dcd39f2f95a26a45cf38969b6f0243a0be26d951a14da3f10b53
SHA1 hash: 35d667dce5c431e27f69b9973dd0ada37e2b7c13
MD5 hash: 3b203eef63e8666c1afec7146f3e9048
humanhash: enemy-jig-cola-uncle
File name:10050640794929773931405.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:75'264 bytes
First seen:2022-05-17 11:12:49 UTC
Last seen:2022-05-18 08:54:38 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:WaKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgNAezwrMC1vJec/RtbiFwY:PKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgn
TLSH T104734A4ABA89C96DF615873889D743A9B313FC114FAB0B473109F3627FF49A05A0761B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter TeamDreier
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: 7
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
364552 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
AutoExecAuto_OpenRuns when the Excel Workbook is opened
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)
SuspiciousXLM macroXLM macro found. It may contain malicious code

Intelligence

File Origin
# of uploads :
5
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Transaction.xls
Verdict:
No threats detected
Analysis date:
2022-05-16 21:49:06 UTC
Tags:
macros opendir
Link:
https://app.any.run/tasks/0a51c166-88bf-43c2-85b1-4ad934505083

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/271555/
Detection(s):
SecuriteInfo.com.XLM.Trojan.Abracadabra.42.Gen.12527.15073.UNOFFICIAL
Create hunting rule

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

SecuriteInfo.com.Macro.Downloader-19.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.Xls.abpw.UNOFFICIAL
Create hunting rule

Porcupine.DOC.Downloader.Agent.DYV.105192.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.BITSADMIN.EXE.200327.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.URLDOWNLOADTOFILE.200415.UNOFFICIAL
Create hunting rule

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

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

TwinWave.EvilDoc.EmoZenith.20220420.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.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
Sending an HTTP GET request
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Link:
https://app.docguard.net/da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929/results/dashboard
Payload URLs
URL
File name
http://www.malamurthycatering.com/font/sr19MfewPUpklfVo/
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
macros macros-on-open stripped
Link:
https://www.filescan.io/uploads/6283836d22b733139c250444/reports/7e5664a8-546d-4763-ace0-45580eb6464a/overview
Label:
Benign
Suspicious Score:
3.7/10
Score Malicious:
38%
Score Benign:
62%
Link:
https://www.malware.ai/gui/files/?id=36529289-fb39-4c5e-aef1-9d12d715e8af
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929
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/995713
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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 signatures2 2 Behavior Graph ID: 628207 Sample: 1006941732240919518564.xls Startdate: 17/05/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for domain / URL 2->42 44 Antivirus detection for URL or domain 2->44 46 10 other signatures 2->46 7 EXCEL.EXE 7 20 2->7         started        12 svchost.exe 2->12         started        process3 dnsIp4 34 moreiracastro.com 205.196.221.37, 49172, 80 DREAMHOST-ASUS United States 7->34 36 morellahair.com 82.223.103.67, 49174, 80 ONEANDONE-ASBrauerstrasse48DE Spain 7->36 38 3 other IPs or domains 7->38 22 C:\Users\user\vhdxw.ocx, PE32+ 7->22 dropped 24 C:\Users\user\...\CDTTWyMEoLBVDAThaxV7[1].dll, PE32+ 7->24 dropped 26 C:\Users\user\...\1006941732240919518564.xls, Composite 7->26 dropped 50 Document exploit detected (creates forbidden files) 7->50 52 Document exploit detected (UrlDownloadToFile) 7->52 14 regsvr32.exe 2 7->14         started        file5 signatures6 process7 file8 28 C:\Windows\...\qSDDmydbciMoqk.dll (copy), PE32+ 14->28 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->54 18 regsvr32.exe 2 14->18         started        signatures9 process10 dnsIp11 30 172.105.70.96, 443, 49175, 49176 LINODE-APLinodeLLCUS United States 18->30 32 150.95.66.124, 49178, 8080 GMO-Z-COM-THGMO-ZcomNetDesignHoldingsCoLtdSG Singapore 18->32 48 System process connects to network (likely due to code injection or exploit) 18->48 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929/
Threat name:
Document-Excel.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2022-05-16 21:42:36 UTC
File Type:
Document
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3jcu4y2j6rtvppfmqnfo6gw7teggzvnmqv6df6xqdeim3bef7euq._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet botnet:epoch4 banker macro suricata trojan xlm
Link:
https://tria.ge/reports/220517-nbdwrabaa9/
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
Loads dropped DLL
Downloads MZ/PE file
Emotet
Process spawned unexpected child process
suricata: ET MALWARE W32/Emotet CnC Beacon 3
Malware Config
C2 Extraction:
45.118.115.99:8080
189.126.111.200:7080
79.137.35.198:8080
103.43.46.182:443
102.222.215.74:443
103.70.28.102:8080
196.218.30.83:443
146.59.226.45:443
5.9.116.246:8080
164.68.99.3:8080
163.44.196.120:8080
167.99.115.35:8080
209.250.246.206:443
183.111.227.137:8080
46.55.222.11:443
45.235.8.30:8080
51.91.76.89:8080
107.182.225.142:8080
103.132.242.26:8080
45.176.232.124:443
201.94.166.162:443
1.234.21.73:7080
160.16.142.56:8080
206.189.28.199:8080
212.237.17.99:8080
51.254.140.238:7080
58.227.42.236:80
77.81.247.144:8080
185.8.212.130:7080
150.95.66.124:8080
149.56.131.28:8080
51.91.7.5:8080
27.54.89.58:8080
110.232.117.186:8080
131.100.24.231:80
216.158.226.206:443
172.105.70.96:443
129.232.188.93:443
173.212.193.249:8080
91.207.28.33:8080
151.106.112.196:8080
172.104.251.154:8080
209.126.98.206:8080
212.24.98.99:8080
185.157.82.211:8080
197.242.150.244:8080
134.122.66.193:8080
167.172.253.162:8080
82.165.152.127:8080
159.65.88.10:8080
209.97.163.214:443
72.15.201.15:8080
185.4.135.165:8080
119.193.124.41:7080
94.23.45.86:4143
153.126.146.25:7080
103.75.201.2:443
213.241.20.155:443
158.69.222.101:443
203.114.109.124:443
188.44.20.25:443
1.234.2.232:8080
101.50.0.91:8080
Dropper Extraction:
http://www.malamurthycatering.com/font/sr19MfewPUpklfVo/
http://moreiracastro.com/Especialidades/npXZz4Z/
http://mrsgiggles.com/wp-includes/zB29l3lgR/
http://morellahair.com/PHPMailer/60/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/da454e6349f4/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/da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929

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
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 da454e6349f46757bcac834aef1adf990c6cd5ac857c32faf01910cd8485f929

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/271555/

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