MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 443ac29037109e08cb760d259ac39cc3582a872128b50eddf02fe579f4295e64. 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: 443ac29037109e08cb760d259ac39cc3582a872128b50eddf02fe579f4295e64
SHA3-384 hash: 6ae94eaa59c34ddadf7b873a151293b315dc995a6785ee369093770872af5dbec83b601ca3a0dafcc4aebbdc0a94db9b
SHA1 hash: dac23ebc5af52681cb773224876c5adb9a60ea29
MD5 hash: 53193738ed4cc49cb2c17c93dd6e2e1e
humanhash: nitrogen-moon-nevada-one
File name:dP 64993.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:72'704 bytes
First seen:2022-06-07 09:21:50 UTC
Last seen:2022-06-07 09:54:49 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:jhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+gT+hDcnTLiQrRTZws8E0:lKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+
TLSH T114634B59B76A885EE51A8B3088F747D62323FD308F5F0A433255F3926FB99905703A4B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter Anonymous
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
362020 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 :
2
# of downloads :
270
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dP 64993.xls
Verdict:
Malicious activity
Analysis date:
2022-06-07 09:43:48 UTC
Tags:
macros
Link:
https://app.any.run/tasks/33976548-ac83-4709-af37-42c3c7996302

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/277282/
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
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
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/443ac29037109e08cb760d259ac39cc3582a872128b50eddf02fe579f4295e64/results/dashboard
Payload URLs
URL
File name
marinamotorsindia.in
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer control.exe emotet exploit greyware macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/629f18f9e660b3f5b76df051/reports/cd7eafe2-fef7-44f5-94a4-c7b7f640bbf2/overview
Label:
Malicious
Suspicious Score:
5.1/10
Score Malicious:
51%
Score Benign:
49%
Link:
https://www.malware.ai/gui/files/?id=b44412e7-1a5f-4e12-af1d-9406d1d02068
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/443ac29037109e08cb760d259ac39cc3582a872128b50eddf02fe579f4295e64
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/1008007
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
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
Outdated Microsoft Office dropper detected
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: 640509 Sample: dP 64993.xls Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Antivirus detection for URL or domain 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 9 other signatures 2->54 7 EXCEL.EXE 7 22 2->7         started        12 svchost.exe 2->12         started        process3 dnsIp4 40 assaref.ma 7->40 42 tassa.mx 157.230.6.220, 443, 49174 DIGITALOCEAN-ASNUS United States 7->42 44 2 other IPs or domains 7->44 28 C:\Users\user\dxgxe2.ocx, PE32+ 7->28 dropped 30 C:\Users\user\dxgxe1.ocx, PE32+ 7->30 dropped 32 C:\Users\user\AppData\...\blCbHoozOYXr[1].dll, PE32+ 7->32 dropped 34 2 other malicious files 7->34 dropped 58 Document exploit detected (creates forbidden files) 7->58 60 Document exploit detected (UrlDownloadToFile) 7->60 14 regsvr32.exe 2 7->14         started        18 regsvr32.exe 2 7->18         started        20 regsvr32.exe 7->20         started        file5 signatures6 process7 file8 36 C:\Windows\...behaviorgraphWYXbxgItxmOOLD.dll (copy), PE32+ 14->36 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->62 22 regsvr32.exe 14->22         started        38 C:\Windows\System32\KkZde\AbuR.dll (copy), PE32+ 18->38 dropped 25 regsvr32.exe 2 18->25         started        signatures9 process10 dnsIp11 56 System process connects to network (likely due to code injection or exploit) 22->56 46 212.83.184.188, 49175, 49177, 8080 OnlineSASFR France 25->46 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/443ac29037109e08cb760d259ac39cc3582a872128b50eddf02fe579f4295e64/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 05:36:23 UTC
File Type:
Document
Extracted files:
9
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iq5mfebxccpars3wbuszvq44ynmcvbzbfc2q5xpqf7sxt5bjlzsa._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet botnet:epoch5 banker macro suricata trojan xlm
Link:
https://tria.ge/reports/220607-lbxmrahagj/
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:
78.47.204.80:443
212.83.184.188:8080
36.67.23.59:443
128.199.217.206:443
103.56.149.105:8080
202.29.239.162:443
68.183.91.111:8080
104.244.79.94:443
64.227.55.231:8080
157.230.99.206:8080
165.232.185.110:8080
103.71.99.57:8080
103.126.216.86:443
88.217.172.165:8080
103.41.204.169:8080
87.106.97.83:7080
85.25.120.45:8080
188.225.32.231:4143
118.98.72.86:443
178.62.112.199:8080
210.57.209.142:8080
62.171.178.147:8080
37.44.244.177:8080
54.37.228.122:443
202.28.34.99:8080
103.254.12.236:7080
196.44.98.190:8080
59.148.253.194:443
85.214.67.203:8080
195.77.239.39:8080
173.249.25.219:443
103.85.95.4:8080
175.126.176.79:8080
157.245.111.0:8080
93.104.209.107:8080
139.196.72.155:8080
54.37.106.167:8080
165.22.254.236:8080
116.124.128.206:8080
103.224.241.74:8080
202.134.4.210:7080
104.248.225.227:8080
Dropper Extraction:
https://sweetzone.co/js/XVK/
https://tassa.mx/edos/1hHlIQO/
http://assaref.ma/old_assaref/A2B3P/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/443ac2903710/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/443ac29037109e08cb760d259ac39cc3582a872128b50eddf02fe579f4295e64

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/277282/

Comments