MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb. 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


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

SHA256 hash: 6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb
SHA3-384 hash: bf6b8360a039605811780abfc0cef992a0dbba9abd139305132d15e5dcc30c2b5e470cdea54f37380f584f1fc5de4448
SHA1 hash: 6efeebf472ec5e94764eb70fcab8a098cdab87ed
MD5 hash: b9dd7ece6cbb17424ec8c947cacb5b16
humanhash: hotel-social-burger-xray
File name:Fattura numero 93518 del 15.06.2022.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:81'920 bytes
First seen:2022-06-15 12:50:03 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:UTOKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgdiHuS4VcTO9/r7UYdEJeU:UaKpb8rGYrMPe3q7Q0XV5xtezEsi8/dJ
TLSH T1A5834996B659CA9DF925873049D747AA6323FC304F6B07472264B3267FBC9A04B0721B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter lowmal3
Tags:SilentBuilder xls

Intelligence

File Origin
# of uploads :
1
# of downloads :
352
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/280177/
Detection(s):
Sanesecurity.Badmacro.Xls.encdl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Macro.Downloader-17.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.XlsM.Urlmon1.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.XL4DataopItWasGoodLivingWithYou.20211109.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 process with a hidden window
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/6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb/results/dashboard
Payload URLs
URL
File name
www.bubblefootballeurope.de
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/62a9d57f8763ffd4adc85628/reports/4885de77-bf86-41a6-9812-0823f4034860/overview
Label:
Benign
Suspicious Score:
3.7/10
Score Malicious:
37%
Score Benign:
63%
Link:
https://www.malware.ai/gui/files/?id=9981ee65-2d17-4230-8701-27fbfa09d22b
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb
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/1013699
Signature
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-06-15 12:50:08 UTC
File Type:
Document
Extracted files:
10
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mvs4ffm2rzrx6kypqrr6vz7g4rj6qmgoc5qwksvpy5l4dhs7b7fq._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet banker macro suricata trojan xlm
Link:
https://tria.ge/reports/220615-p2zftaaba4/
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
Drops file in System32 directory
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:
101.50.0.91:8080
159.89.202.34:443
209.97.163.214:443
173.212.193.249:8080
159.65.88.10:8080
45.118.115.99:8080
82.165.152.127:8080
207.148.79.14:8080
41.73.252.195:443
196.218.30.83:443
103.75.201.2:443
64.227.100.222:8080
149.56.131.28:8080
103.43.75.120:443
188.44.20.25:443
185.4.135.165:8080
91.207.28.33:8080
110.232.117.186:8080
72.15.201.15:8080
45.176.232.124:443
46.55.222.11:443
163.44.196.120:8080
172.105.226.75:8080
5.9.116.246:8080
150.95.66.124:8080
94.23.45.86:4143
107.170.39.149:8080
209.126.98.206:8080
212.24.98.99:8080
167.172.253.162:8080
146.59.226.45:443
115.68.227.76:8080
164.68.99.3:8080
206.189.28.199:8080
186.194.240.217:443
158.69.222.101:443
172.104.251.154:8080
103.70.28.102:8080
45.186.16.18:443
51.254.140.238:7080
197.242.150.244:8080
51.161.73.194:443
201.94.166.162:443
160.16.142.56:8080
213.241.20.155:443
129.232.188.93:443
134.122.66.193:8080
45.235.8.30:8080
159.65.140.115:443
119.193.124.41:7080
151.106.112.196:8080
144.91.78.55:443
82.223.21.224:8080
183.111.227.137:8080
1.234.2.232:8080
153.126.146.25:7080
79.137.35.198:8080
103.132.242.26:8080
51.91.76.89:8080
37.187.115.122:8080
131.100.24.231:80
203.114.109.124:443
1.234.21.73:7080
Dropper Extraction:
http://byrdnest3.com/cgi-bin/TEq/
http://carbonbros.co.za/logs/KSTJNdxZ73hIZPKddEDT/
http://www.bubblefootballeurope.de/wp-admin/3aMMnYP/
http://casov.com/proxy/kk0OWcstqPOOyeG/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6565c2959a8e/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/6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb

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:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:Qbot
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule to Detect Qbot

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

SilentBuilder

Excel file xls 6565c2959a8e637f2b0f8463eae7e6e453e830ce1761654aafc757c19e5f0fcb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/280177/

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