MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8fe67d8dd8e4f6127aac98bf51ddf26840584e438cac3ff05cb698d9e5bb7ef. 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: 12


Maldoc score: 4


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8fe67d8dd8e4f6127aac98bf51ddf26840584e438cac3ff05cb698d9e5bb7ef
SHA3-384 hash: 865932fd65529f314ecc1394acd22fd05303c7a3c50e17e4f38839fe789add0c9e7b7b93bb3e0c357921630778e585f4
SHA1 hash: d81e094e58cc3a49784dfe5667ee4abe679edf44
MD5 hash: 7a5ff52f9f46fe0636ba671c45efe587
humanhash: two-thirteen-dakota-quiet
File name:Invio documento rif.88794627 del 08.06.2022.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:47'616 bytes
First seen:2022-06-08 12:45:35 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 768:pDMPKpb8rGYrMPe3q7Q0XV5xtezE8vpI8UM+VQTUs77quK7KtGu6Q:pYKpb8rGYrMPe3q7Q0XV5xtezE8vG8U2
TLSH T1B323A446BB5AC85DF914873448E747AA7323EC314F6B0B433669B3256FF89A05B0315B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter JAMESWT_WT
Tags:Emotet 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
337573 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 :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invio documento rif.88794627 del 08.06.2022.xls
Verdict:
Malicious activity
Analysis date:
2022-06-08 12:44:18 UTC
Tags:
macros loader
Link:
https://app.any.run/tasks/215c352f-368d-4ab6-b519-dd0871c38578

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/277779/
Detection(s):
SecuriteInfo.com.XLM.Trojan.Abracadabra.8.Gen.13751.21721.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
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
Query of malicious DNS domain
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Link:
https://app.docguard.net/d8fe67d8dd8e4f6127aac98bf51ddf26840584e438cac3ff05cb698d9e5bb7ef/results/dashboard
Payload URLs
URL
File name
zacharywythe.com
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug coinminer emotet macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/62a09a10a2b1fc9744d6890f/reports/6c616934-ec09-45c3-aeb3-9c937b9aa5b8/overview
Label:
Benign
Suspicious Score:
4.0/10
Score Malicious:
41%
Score Benign:
59%
Link:
https://www.malware.ai/gui/files/?id=871ad081-952c-4892-b38b-03bec4b4acc0
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/d8fe67d8dd8e4f6127aac98bf51ddf26840584e438cac3ff05cb698d9e5bb7ef
Details
Autostarting Excel Macro Sheet
Excel contains Macrosheet logic that will trigger automatically upon document open.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8fe67d8dd8e4f6127aac98bf51ddf26840584e438cac3ff05cb698d9e5bb7ef/
Threat name:
Document-Excel.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2022-06-08 12:19:22 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=3d7gpwg5rzhwcj5kzgf7kho7e2calbhehdfmh7yfznuy3hs3w7xq._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-pzl3pshafr/
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://zktecovn.com/wp-admin/xxfnYY4zwOpFOgu3g1t/
http://zacharywythe.com/pb_index_bak/SkEGB2c/
http://zonainformatica.es/aspnet_client/pVcppgi00Dk/
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/d8fe67d8dd8e4f6127aac98bf51ddf26840584e438cac3ff05cb698d9e5bb7ef

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/277779/

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