MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bae3fdaad02bdad5fbbb62d0e2358cb6dcd77eb97fe2e750e69b8c7608e5f09b. 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: 4


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

SHA256 hash: bae3fdaad02bdad5fbbb62d0e2358cb6dcd77eb97fe2e750e69b8c7608e5f09b
SHA3-384 hash: ea335107948a22fe4701c33efeef9f79583668c51750005b9e6dd89370e5e5f2fb08085eab6a7d2ba23a4c79f7928d5c
SHA1 hash: 2b61266a9640e220c379da6180ce723ffa90d354
MD5 hash: 5c4a5a282b645e072c60459f4fc4c675
humanhash: wyoming-carbon-undress-alabama
File name:91950Z_75589.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:72'192 bytes
First seen:2022-06-03 09:36:40 UTC
Last seen:2022-06-07 11:39:12 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+c+hDcnTLiQrRTZws8E7:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UMt
TLSH T17D634B59B769885EE5198B3488F747D62323FD308B6F0A433259F3926FB99905703A0B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter pr0xylife
Tags: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: 4
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
361837 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 :
4
# of downloads :
324
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
documento_7.xls
Verdict:
Malicious activity
Analysis date:
2022-06-03 09:10:59 UTC
Tags:
macros
Link:
https://app.any.run/tasks/c2cdc318-9673-40cd-861f-04c5179abe15

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/276473/
Detection(s):
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
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
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/bae3fdaad02bdad5fbbb62d0e2358cb6dcd77eb97fe2e750e69b8c7608e5f09b/results/dashboard
Payload URLs
URL
File name
www.suddedx.com
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe greyware macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/6299d67c961acffe54448999/reports/715864ca-9f2d-4da6-a6ff-5191e9d5b458/overview
Label:
Malicious
Suspicious Score:
6.1/10
Score Malicious:
61%
Score Benign:
39%
Link:
https://www.malware.ai/gui/files/?id=505d0616-c41e-4fe2-be4e-eabb161d69de
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/bae3fdaad02bdad5fbbb62d0e2358cb6dcd77eb97fe2e750e69b8c7608e5f09b
Details
Autostarting Excel Macro Sheet
Excel contains Macrosheet logic that will trigger automatically upon document open.
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1006197
Signature
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
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 638693 Sample: 91950Z_75589.xls Startdate: 03/06/2022 Architecture: WINDOWS Score: 100 38 Antivirus detection for URL or domain 2->38 40 Found malicious Excel 4.0 Macro 2->40 42 Document exploit detected (drops PE files) 2->42 44 5 other signatures 2->44 7 EXCEL.EXE 27 39 2->7         started        process3 dnsIp4 32 tassira.com 91.216.107.204, 49778, 80 RMI-FITECHFR France 7->32 34 www.suddedx.com 203.159.92.68, 443, 49756 QUICKPACKETUS Netherlands 7->34 36 fyambe.news 66.96.147.101, 443, 49775 BIZLAND-SDUS United States 7->36 24 C:\Users\user\cusoa3.ocx, PE32+ 7->24 dropped 26 C:\Users\user\cusoa2.ocx, PE32+ 7->26 dropped 28 C:\Users\user\cusoa1.ocx, PE32+ 7->28 dropped 30 4 other malicious files 7->30 dropped 46 Document exploit detected (creates forbidden files) 7->46 48 Document exploit detected (UrlDownloadToFile) 7->48 12 regsvr32.exe 7->12         started        14 regsvr32.exe 7->14         started        16 regsvr32.exe 7->16         started        file5 signatures6 process7 process8 18 regsvr32.exe 12->18         started        20 regsvr32.exe 14->20         started        22 regsvr32.exe 16->22         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bae3fdaad02bdad5fbbb62d0e2358cb6dcd77eb97fe2e750e69b8c7608e5f09b/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-06-03 09:37:05 UTC
File Type:
Document
Extracted files:
9
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xlr73kwqfpnnl653mlioenmmw3ono7vzp7roouhgtoghmchf6cnq._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet botnet:epoch5 banker macro trojan xlm
Link:
https://tria.ge/reports/220603-llf3rahhgn/
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
Malware Config
C2 Extraction:
78.47.204.80:443
62.171.178.147:8080
165.232.185.110:8080
103.41.204.169:8080
54.37.228.122:443
202.29.239.162:443
103.71.99.57:8080
64.227.55.231:8080
85.214.67.203:8080
139.196.72.155:8080
195.77.239.39:8080
202.28.34.99:8080
54.37.106.167:8080
103.126.216.86:443
68.183.91.111:8080
104.244.79.94:443
85.25.120.45:8080
116.124.128.206:8080
210.57.209.142:8080
103.85.95.4:8080
188.225.32.231:4143
118.98.72.86:443
37.44.244.177:8080
87.106.97.83:7080
103.56.149.105:8080
128.199.217.206:443
103.254.12.236:7080
59.148.253.194:443
36.67.23.59:443
202.134.4.210:7080
196.44.98.190:8080
178.62.112.199:8080
103.224.241.74:8080
157.245.111.0:8080
104.248.225.227:8080
93.104.209.107:8080
88.217.172.165:8080
175.126.176.79:8080
157.230.99.206:8080
Dropper Extraction:
https://www.suddedx.com/jokerslot/mb2Eadbdssh/
https://fyambe.news/cgi-bin/Wbe40tfynFs4rC/
http://tassira.com/WordPress/vwZQL4Z5BPcFL3z/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bae3fdaad02b/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/bae3fdaad02bdad5fbbb62d0e2358cb6dcd77eb97fe2e750e69b8c7608e5f09b

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/276473/

Comments