MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45
SHA3-384 hash: 55effb25d7e23705301b2ca82364a15f7dfd38fa8f19404e2757159082b7421b6333f9d1650a5693b9f6a68e88e204ac
SHA1 hash: 21cba9fefffb2a73f1a9d5edf71d415ecd29c015
MD5 hash: 7fcc5cf991155afb2f10a5479140bb17
humanhash: august-mike-item-uncle
File name:Fattura 2022 - IT 009489.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:77'824 bytes
First seen:2022-06-24 09:25:14 UTC
Last seen:2022-06-24 09:57:40 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:m9Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgVV7KRzCS3x9vFhVG1LLNCVQ+:eKpb8rGYrMPe3q7Q0XV5xtezEsi8/dge
TLSH T1A9733A47BA5DDC59F9288735A8A34BA9B322EC04DF1B0BD732447BA47FB44914E03267
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter Anonymous
Tags:SilentBuilder xls

Intelligence

File Origin
# of uploads :
2
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
virus.rar
Verdict:
Malicious activity
Analysis date:
2022-06-25 07:06:14 UTC
Tags:
loader
Link:
https://app.any.run/tasks/6fd392d7-f96b-4b13-941e-c335307f6671

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:
Emotet
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282999/
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/72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45/results/dashboard
Payload URLs
URL
File name
www.dnautik.com
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/62b58369e88d6da4ffc20816/reports/12d6cabb-36bf-493a-a292-36824060b2b7/overview
Label:
Benign
Suspicious Score:
2.6/10
Score Malicious:
26%
Score Benign:
74%
Link:
https://www.malware.ai/gui/files/?id=8bc144c0-571b-47b1-9dd4-008567755f74
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45
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/1019220
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 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
Snort IDS alert for network traffic
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: 651716 Sample: Fattura 2022 - IT 009489.xls Startdate: 24/06/2022 Architecture: WINDOWS Score: 100 51 129.232.188.93 xneeloZA South Africa 2->51 53 45.235.8.30 WIKINETTELECOMUNICACOESBR Brazil 2->53 55 53 other IPs or domains 2->55 77 Snort IDS alert for network traffic 2->77 79 Antivirus detection for URL or domain 2->79 81 Multi AV Scanner detection for dropped file 2->81 83 10 other signatures 2->83 8 EXCEL.EXE 7 26 2->8         started        13 svchost.exe 2->13         started        signatures3 process4 dnsIp5 57 dhsh.com.ar 169.48.73.54, 443, 49171 SOFTLAYERUS United States 8->57 59 djunreal.co.uk 91.134.224.1, 49173, 80 OVHFR France 8->59 61 3 other IPs or domains 8->61 35 C:\Users\user\hso4.ocx, PE32+ 8->35 dropped 37 C:\Users\user\hso3.ocx, PE32+ 8->37 dropped 39 C:\Users\user\hso2.ocx, PE32+ 8->39 dropped 41 6 other malicious files 8->41 dropped 85 Document exploit detected (creates forbidden files) 8->85 87 Document exploit detected (UrlDownloadToFile) 8->87 15 regsvr32.exe 2 8->15         started        19 regsvr32.exe 2 8->19         started        21 regsvr32.exe 2 8->21         started        23 regsvr32.exe 2 8->23         started        file6 signatures7 process8 file9 43 C:\Windows\...\kASyuMmxIyz.dll (copy), PE32+ 15->43 dropped 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->75 25 regsvr32.exe 9 15->25         started        45 C:\Windows\System32\...\JDKIuNJu.dll (copy), PE32+ 19->45 dropped 29 regsvr32.exe 9 19->29         started        47 C:\Windows\...\rHPXLrNbTFtYnxs.dll (copy), PE32+ 21->47 dropped 31 regsvr32.exe 2 21->31         started        49 C:\Windows\...\bRzxLzicugHLn.dll (copy), PE32+ 23->49 dropped 33 regsvr32.exe 9 23->33         started        signatures10 process11 dnsIp12 63 149.56.131.28, 49202, 8080 OVHFR Canada 25->63 65 103.70.28.102, 49201, 8080 MAXDATA-VNCongtyTNHHDichvutructuyenMaxdataVN Viet Nam 25->65 71 2 other IPs or domains 25->71 89 System process connects to network (likely due to code injection or exploit) 25->89 67 139.162.113.169, 49178, 49180, 49185 LINODE-APLinodeLLCUS Netherlands 31->67 69 144.91.78.55, 443, 49189, 49190 CONTABODE Germany 31->69 73 2 other IPs or domains 31->73 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-06-24 09:15:20 UTC
File Type:
Document
Extracted files:
11
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=olijcdop3755ryhd3ihuipspnggay3fttbqiwrhkipyq23fvfrcq._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/220624-ld6y7sbdbq/
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:
82.165.152.127:8080
51.161.73.194:443
103.75.201.2:443
5.9.116.246:8080
213.241.20.155:443
79.137.35.198:8080
119.193.124.41:7080
186.194.240.217:443
172.105.226.75:8080
150.95.66.124:8080
131.100.24.231:80
94.23.45.86:4143
209.97.163.214:443
206.189.28.199:8080
173.212.193.249:8080
153.126.146.25:7080
51.91.76.89:8080
1.234.2.232:8080
163.44.196.120:8080
149.56.131.28:8080
146.59.226.45:443
45.118.115.99:8080
139.162.113.169:8080
196.218.30.83:443
212.24.98.99:8080
115.68.227.76:8080
64.227.100.222:8080
207.148.79.14:8080
209.126.98.206:8080
151.106.112.196:8080
45.186.16.18:443
167.172.253.162:8080
160.16.142.56:8080
72.15.201.15:8080
158.69.222.101:443
91.207.28.33:8080
103.70.28.102:8080
185.4.135.165:8080
144.91.78.55:443
82.223.21.224:8080
45.235.8.30:8080
135.148.6.80:443
188.44.20.25:443
101.50.0.91:8080
46.55.222.11:443
159.89.202.34:443
134.122.66.193:8080
45.176.232.124:443
164.68.99.3:8080
103.43.75.120:443
183.111.227.137:8080
45.76.181.158:443
107.170.39.149:8080
110.232.117.186:8080
159.65.140.115:443
51.254.140.238:7080
159.65.88.10:8080
103.132.242.26:8080
172.104.251.154:8080
37.187.115.122:8080
197.242.150.244:8080
129.232.188.93:443
201.94.166.162:443
Dropper Extraction:
https://dhsh.com.ar/wp-admin/H38msg/
http://www.diventuretravel.com/administrator/90DadpEYTaQO1A/
http://djunreal.co.uk/cat/ObaACSyp07uQ41g/
http://www.dnautik.com/wp-includes/8GgXiL4N/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/72d0910dcfdf/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/72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45

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

File information

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

Malspam

SilentBuilder

Excel file xls 72d0910dcfdffbd8e0e3da0f443e4f698c0c6cb398608b44ea43f10d6cb52c45

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282999/

Comments