MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 753717e5a824ebd3ce08aeafc07dededaec0266eeb72a186782c8596c41f2db2. 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: 14


Maldoc score: 4


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 753717e5a824ebd3ce08aeafc07dededaec0266eeb72a186782c8596c41f2db2
SHA3-384 hash: 8ae365356c97652b9a0b01bef2a21cc4f310e20ac9ead2a369c9faf6cf3082aa87f7af1b9a9655801477a8ed3b70b90d
SHA1 hash: df34258b1a64938f6e8247832b7080673ddc9184
MD5 hash: 84e1924e689c5d40f5255dbaa8b281db
humanhash: alpha-lion-neptune-alaska
File name:Fk-hotel_Form.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:72'704 bytes
First seen:2022-06-08 03:37:33 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:DhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+J+hDcnTLiQrRTZws8EH:FKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMW
TLSH T1C8634B59B769884EE9198B3448F747D62323FD308F6F0A433259F3926FB95A05703A0B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter ankit_anubhav
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: 4
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
361981 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
SuspiciousURLDownloadToFileAMay download files from the Internet
SuspiciousXLM macroXLM macro found. It may contain malicious code

Intelligence

File Origin
# of uploads :
1
# of downloads :
355
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Fk-hotel_Form.xls
Verdict:
Malicious activity
Analysis date:
2022-06-08 03:38:34 UTC
Tags:
macros
Link:
https://app.any.run/tasks/dfab6c30-d2e8-4848-bf52-fa02fc418ce3

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/277595/
Detection(s):
SecuriteInfo.com.XLM.Trojan.Abracadabra.8.Gen.14893.18858.UNOFFICIAL
Create hunting rule

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

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

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.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
Sending a custom TCP request 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/753717e5a824ebd3ce08aeafc07dededaec0266eeb72a186782c8596c41f2db2/results/dashboard
Payload URLs
URL
File name
burgarellaquantumhealing.org
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug coinminer emotet exploit macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/62a019d7c221aaaa25c08409/reports/588c4f42-2aff-47bf-bcf7-135242ced337/overview
Label:
Malicious
Suspicious Score:
5.2/10
Score Malicious:
53%
Score Benign:
47%
Link:
https://www.malware.ai/gui/files/?id=9486b7f8-daf1-485a-97c4-26dbba99a3ae
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/753717e5a824ebd3ce08aeafc07dededaec0266eeb72a186782c8596c41f2db2
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/1008691
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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)
Office process drops PE file
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: 641187 Sample: Fk-hotel_Form.xls Startdate: 08/06/2022 Architecture: WINDOWS Score: 100 39 129.232.188.93 xneeloZA South Africa 2->39 41 45.235.8.30 WIKINETTELECOMUNICACOESBR Brazil 2->41 43 56 other IPs or domains 2->43 53 Multi AV Scanner detection for domain / URL 2->53 55 Antivirus detection for URL or domain 2->55 57 Multi AV Scanner detection for dropped file 2->57 59 10 other signatures 2->59 8 EXCEL.EXE 7 22 2->8         started        signatures3 process4 dnsIp5 47 burgarellaquantumhealing.org 185.2.4.83, 443, 49173 REGISTER_UK-ASGB Italy 8->47 49 faisonfilms.com 107.180.3.78, 443, 49174 AS-26496-GO-DADDY-COM-LLCUS United States 8->49 51 3 other IPs or domains 8->51 27 C:\Users\user\haics2.ocx, PE32+ 8->27 dropped 29 C:\Users\user\haics1.ocx, PE32+ 8->29 dropped 31 i5OrEGupKSVYIInwIY...LCqWxxakUz4a[1].dll, PE32+ 8->31 dropped 33 2 other malicious files 8->33 dropped 63 Document exploit detected (creates forbidden files) 8->63 65 Document exploit detected (UrlDownloadToFile) 8->65 13 regsvr32.exe 2 8->13         started        17 regsvr32.exe 2 8->17         started        19 regsvr32.exe 8->19         started        file6 signatures7 process8 file9 35 C:\Windows\System32\...\lrmywYOY.dll (copy), PE32+ 13->35 dropped 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->67 21 regsvr32.exe 2 13->21         started        37 C:\Windows\System32\...\tBWq.dll (copy), PE32+ 17->37 dropped 24 regsvr32.exe 2 17->24         started        signatures10 process11 dnsIp12 45 31.22.4.160, 49175, 49177, 8080 WILDCARD-ASWildcardUKLimitedGB United Kingdom 21->45 61 System process connects to network (likely due to code injection or exploit) 24->61 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/753717e5a824ebd3ce08aeafc07dededaec0266eeb72a186782c8596c41f2db2/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 03:08:50 UTC
File Type:
Document
Extracted files:
9
AV detection:
20 of 39 (51.28%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ou3rpznietv5htqiv2x4a7pn5wxmajto5nzkdbtyfscznra7fwza._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/220608-d62wysfecn/
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:
94.23.45.86:4143
129.232.188.93:443
213.241.20.155:443
197.242.150.244:8080
172.104.251.154:8080
46.55.222.11:443
82.223.21.224:8080
5.9.116.246:8080
1.234.2.232:8080
146.59.226.45:443
160.16.142.56:8080
115.68.227.76:8080
72.15.201.15:8080
188.44.20.25:443
185.4.135.165:8080
103.132.242.26:8080
173.212.193.249:8080
163.44.196.120:8080
183.111.227.137:8080
149.56.131.28:8080
212.24.98.99:8080
159.65.140.115:443
150.95.66.124:8080
107.170.39.149:8080
203.114.109.124:443
41.73.252.195:443
37.187.115.122:8080
82.165.152.127:8080
119.193.124.41:7080
103.75.201.2:443
79.137.35.198:8080
159.65.88.10:8080
209.126.98.206:8080
167.172.253.162:8080
186.194.240.217:443
51.254.140.238:7080
51.91.76.89:8080
153.126.146.25:7080
207.180.241.186:8080
206.189.28.199:8080
45.176.232.124:443
103.70.28.102:8080
158.69.222.101:443
151.106.112.196:8080
103.43.75.120:443
91.207.28.33:8080
159.89.202.34:443
45.186.16.18:443
45.235.8.30:8080
201.94.166.162:443
164.68.99.3:8080
110.232.117.186:8080
45.118.115.99:8080
207.148.79.14:8080
131.100.24.231:80
31.22.4.160:8080
134.122.66.193:8080
196.218.30.83:443
209.97.163.214:443
1.234.21.73:7080
101.50.0.91:8080
Dropper Extraction:
https://burgarellaquantumhealing.org/NRl0YMBGNh8i/
https://faisonfilms.com/wp-includes/jOA/
http://roviel.mx/wp-includes/uX2WDFhrE/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/753717e5a824/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/753717e5a824ebd3ce08aeafc07dededaec0266eeb72a186782c8596c41f2db2

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.

Cape
Cape
https://www.capesandbox.com/analysis/277595/

Comments