MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da2211b3c98829970e67bf554b551b3608341fa0698dd084f92220cf095eaa0b. 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


Maldoc score: 4


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: da2211b3c98829970e67bf554b551b3608341fa0698dd084f92220cf095eaa0b
SHA3-384 hash: c092b802a632ab8fcbfd776068b62bd954b109c07d887e575ca62da420212c97a8045ac63d6fe9fbf0b44ec3d2ac9df5
SHA1 hash: 8c0a27d03d5c729c03dadb48c3501c18cecdd6b2
MD5 hash: 788f4ce1760f77651286662f1ce21cd0
humanhash: orange-pizza-diet-seven
File name:dat_GB2124512471NV.xls
Download: download sample
Signature SilentBuilder
File size:61'952 bytes
First seen:2022-06-13 08:35:26 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:tpKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgUDOJiA6Cv/UGLI36yOAs5g:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgg
TLSH T1F8532956BA5AD81DF915873548D74BAAA327FC314F9B0B832269F3106FFC8A0561710F
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter TeamDreier
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
352016 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 :
237
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dat_GB2124512471NV.xls
Verdict:
Malicious activity
Analysis date:
2022-06-13 08:38:47 UTC
Tags:
macros loader

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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Creating a process with a hidden window
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Payload URLs
URL
File name
web4nothing.com
WorkBook
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware macros macros-on-open packed regsvr32
Label:
Benign
Suspicious Score:
3.7/10
Score Malicious:
37%
Score Benign:
63%
Result
Verdict:
MALICIOUS
Details
Autostarting Excel Macro Sheet
Excel contains Macrosheet logic that will trigger automatically upon document open.
Result
Threat name:
Hidden Macro 4.0, Emotet
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
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 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
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected Emotet
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644774 Sample: dat_GB2124512471NV.xls Startdate: 13/06/2022 Architecture: WINDOWS Score: 100 47 129.232.188.93 xneeloZA South Africa 2->47 49 45.235.8.30 WIKINETTELECOMUNICACOESBR Brazil 2->49 51 56 other IPs or domains 2->51 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Antivirus detection for URL or domain 2->69 71 10 other signatures 2->71 8 EXCEL.EXE 7 24 2->8         started        13 svchost.exe 2->13         started        signatures3 process4 dnsIp5 53 vietroll.vn 103.77.162.11, 443, 49172 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 8->53 55 webpartner.fr 213.186.33.82, 49174, 80 OVHFR France 8->55 57 2 other IPs or domains 8->57 33 C:\Users\user\scd3.ocx, PE32+ 8->33 dropped 35 C:\Users\user\scd2.ocx, PE32+ 8->35 dropped 37 C:\Users\user\scd1.ocx, PE32+ 8->37 dropped 39 4 other malicious files 8->39 dropped 75 Document exploit detected (creates forbidden files) 8->75 77 Document exploit detected (UrlDownloadToFile) 8->77 15 regsvr32.exe 2 8->15         started        19 regsvr32.exe 2 8->19         started        21 regsvr32.exe 2 8->21         started        23 regsvr32.exe 8->23         started        file6 signatures7 process8 file9 41 C:\Windows\System32\MovVF\VbgXdj.dll (copy), PE32+ 15->41 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->63 25 regsvr32.exe 9 15->25         started        43 C:\Windows\...\QlFiitHFpFI.dll (copy), PE32+ 19->43 dropped 28 regsvr32.exe 9 19->28         started        45 C:\Windows\System32\...\uKChAk.dll (copy), PE32+ 21->45 dropped 31 regsvr32.exe 9 21->31         started        signatures10 process11 dnsIp12 73 System process connects to network (likely due to code injection or exploit) 25->73 59 51.161.73.194, 443, 49176, 49179 OVHFR Canada 28->59 61 157.245.196.132, 443, 49175, 49177 DIGITALOCEAN-ASNUS United States 28->61 signatures13
Threat name:
Document-Excel.Trojan.Abracadabra
Status:
Malicious
First seen:
2022-06-13 01:31:50 UTC
File Type:
Document
Extracted files:
9
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:emotet botnet:epoch4 banker macro suricata trojan xlm
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:
149.56.131.28:8080
72.15.201.15:8080
207.148.79.14:8080
82.165.152.127:8080
46.55.222.11:443
213.241.20.155:443
163.44.196.120:8080
51.254.140.238:7080
107.170.39.149:8080
188.44.20.25:443
82.223.21.224:8080
172.104.251.154:8080
164.68.99.3:8080
101.50.0.91:8080
129.232.188.93:443
173.212.193.249:8080
103.132.242.26:8080
186.194.240.217:443
37.187.115.122:8080
91.207.28.33:8080
134.122.66.193:8080
1.234.2.232:8080
103.75.201.2:443
196.218.30.83:443
5.9.116.246:8080
103.70.28.102:8080
41.73.252.195:443
158.69.222.101:443
209.97.163.214:443
185.4.135.165:8080
115.68.227.76:8080
203.114.109.124:443
159.65.140.115:443
110.232.117.186:8080
51.91.76.89:8080
64.227.100.222:8080
150.95.66.124:8080
209.126.98.206:8080
153.126.146.25:7080
45.186.16.18:443
131.100.24.231:80
146.59.226.45:443
160.16.142.56:8080
167.172.253.162:8080
183.111.227.137:8080
119.193.124.41:7080
45.118.115.99:8080
159.89.202.34:443
51.161.73.194:443
212.24.98.99:8080
45.176.232.124:443
206.189.28.199:8080
197.242.150.244:8080
103.43.75.120:443
201.94.166.162:443
151.106.112.196:8080
157.245.196.132:443
159.65.88.10:8080
94.23.45.86:4143
79.137.35.198:8080
1.234.21.73:7080
45.235.8.30:8080
Dropper Extraction:
http://web4nothing.com/cgi-bin/xsKuBKuQYhYz/
https://vietroll.vn/wp-content/k9tSTiW1CosKYJOjxd/
http://136.243.217.250/application/OP4L7MV21hbub4/
http://webpartner.fr/language/mTbIHL2P12uJ3MJlL/
Please note that we are no longer able to provide a coverage score for Virus Total.

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

File information


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

Malspam

SilentBuilder

Excel file xls da2211b3c98829970e67bf554b551b3608341fa0698dd084f92220cf095eaa0b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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