MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 078dd0cb7a5ab4d228094321a828d71aa7e111117d054aa00a5c32ddc2667c5a. 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: 12


Maldoc score: 10


Intelligence 12 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 078dd0cb7a5ab4d228094321a828d71aa7e111117d054aa00a5c32ddc2667c5a
SHA3-384 hash: afb0dfdf7b3cbd323277abd89af638a5f5bda364841a48da2a5a61a9ef00f4e60cbb36bd302980ceb76f2c94e2387529
SHA1 hash: d5f64d215dc8bf4d57287ebedad4fbae05a7342d
MD5 hash: 68d054915eac9e878c8ead3599205380
humanhash: sweet-autumn-steak-eight
File name:2A_04072022.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:96'768 bytes
First seen:2022-07-04 09:27:00 UTC
Last seen:2022-07-04 11:16:52 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:MFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgLHuS4hcTO97v7UYdEJmhd:CKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgI
TLSH T18F934A45B659DA1EF625833149E787A67333FC308F6B47432268B3257FB99A04B0721B
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: 10
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
386379 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
Hex StringSegWT5365675754
Hex StringvtecF7674656346
Hex StringVuGV45675475634
Hex StringgecVS4676563565334
Hex StringgFtTt6746745474
SuspiciousWindowsMay enumerate application windows (if combined with Shell.Application object)
SuspiciousURLDownloadToFileAMay download files from the Internet
SuspiciousEXECMay run an executable file or a system
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousXLM macroXLM macro found. It may contain malicious code

Intelligence

File Origin
# of uploads :
5
# of downloads :
219
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
attachments-8.zip
Verdict:
Malicious activity
Analysis date:
2022-07-04 08:46:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/631f764b-3297-4c43-afae-dd4cd38ef3cb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Badmacro.Xls.encdl.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.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
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Query of malicious DNS domain
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Link:
https://app.docguard.net/078dd0cb7a5ab4d228094321a828d71aa7e111117d054aa00a5c32ddc2667c5a/results/dashboard
Payload URLs
URL
File name
www.financialchile.com
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware keylogger macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/62c2b26922ab9d0aa0fdf39a/reports/5121ca9b-d142-48af-b609-62e28562f134/overview
Label:
Benign
Suspicious Score:
3.7/10
Score Malicious:
37%
Score Benign:
63%
Link:
https://www.malware.ai/gui/files/?id=bcd09c67-5437-4e7e-85a8-af6edfc7bf6a
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/078dd0cb7a5ab4d228094321a828d71aa7e111117d054aa00a5c32ddc2667c5a
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/1024047
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
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Emotet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 656557 Sample: 2A_04072022.xls Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 59 103.224.241.74 WEBWERKS-AS-INWebWerksIndiaPvtLtdIN India 2->59 61 202.29.239.162 UNINET-AS-APUNINET-TH Thailand 2->61 63 45 other IPs or domains 2->63 83 Snort IDS alert for network traffic 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Antivirus detection for URL or domain 2->87 89 10 other signatures 2->89 9 EXCEL.EXE 7 22 2->9         started        signatures3 process4 dnsIp5 73 birebiregitim.net 89.163.146.219, 49174, 80 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 9->73 75 www.birebiregitim.net 9->75 77 3 other IPs or domains 9->77 45 C:\Users\user\uoya4.ocx, PE32+ 9->45 dropped 47 C:\Users\user\uoya3.ocx, PE32+ 9->47 dropped 49 C:\Users\user\uoya2.ocx, PE32+ 9->49 dropped 51 4 other malicious files 9->51 dropped 93 Document exploit detected (creates forbidden files) 9->93 95 Document exploit detected (UrlDownloadToFile) 9->95 14 regsvr32.exe 2 9->14         started        18 regsvr32.exe 2 9->18         started        20 regsvr32.exe 2 9->20         started        22 regsvr32.exe 9->22         started        file6 signatures7 process8 file9 53 C:\Windows\System32\...\THdEREDyKc.dll (copy), PE32+ 14->53 dropped 97 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->97 24 regsvr32.exe 14 14->24         started        55 C:\Windows\System32\...\MTJFhBuG.dll (copy), PE32+ 18->55 dropped 28 regsvr32.exe 12 18->28         started        57 C:\Windows\...\CzUupdfjykli.dll (copy), PE32+ 20->57 dropped 30 regsvr32.exe 2 20->30         started        99 Uses ipconfig to lookup or modify the Windows network settings 22->99 signatures10 process11 dnsIp12 65 128.199.93.156, 49181, 7080 DIGITALOCEAN-ASNUS United Kingdom 24->65 91 System process connects to network (likely due to code injection or exploit) 24->91 32 systeminfo.exe 1 24->32         started        35 ipconfig.exe 24->35         started        37 nltest.exe 24->37         started        67 198.27.67.35, 49182, 49183, 8080 OVHFR Canada 28->67 69 62.141.45.103, 443, 49184 MYLOC-ASIPBackboneofmyLocmanagedITAGDE Germany 28->69 39 ipconfig.exe 28->39         started        41 systeminfo.exe 28->41         started        43 nltest.exe 28->43         started        71 174.138.33.49, 49175, 49177, 49178 DIGITALOCEAN-ASNUS United States 30->71 signatures13 process14 signatures15 79 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 32->79 81 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 32->81
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/078dd0cb7a5ab4d228094321a828d71aa7e111117d054aa00a5c32ddc2667c5a/
Threat name:
Document-Excel.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2022-07-03 22:13:33 UTC
File Type:
Document
Extracted files:
11
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a6g5bs32lk2nekajimq2qkgxdkt6ceirpucuviaklqzn3qtgprna._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/220704-leq95sgahl/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Gathers network information
Gathers system information
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:
103.71.99.57:8080
103.224.241.74:8080
157.245.111.0:8080
37.44.244.177:8080
103.41.204.169:8080
64.227.55.231:8080
103.254.12.236:7080
103.85.95.4:8080
157.230.99.206:8080
165.22.254.236:8080
85.214.67.203:8080
54.37.228.122:443
195.77.239.39:8080
128.199.217.206:443
190.145.8.4:443
165.232.185.110:8080
188.165.79.151:443
178.62.112.199:8080
54.37.106.167:8080
104.244.79.94:443
43.129.209.178:443
87.106.97.83:7080
202.134.4.210:7080
178.238.225.252:8080
198.199.70.22:8080
62.171.178.147:8080
175.126.176.79:8080
128.199.242.164:8080
88.217.172.165:8080
104.248.225.227:8080
85.25.120.45:8080
139.196.72.155:8080
188.225.32.231:4143
202.29.239.162:443
103.126.216.86:443
210.57.209.142:8080
93.104.209.107:8080
196.44.98.190:8080
5.253.30.17:7080
46.101.98.60:8080
103.56.149.105:8080
190.107.19.179:443
139.59.80.108:8080
36.67.23.59:443
78.47.204.80:443
83.229.80.93:8080
174.138.33.49:7080
118.98.72.86:443
37.187.114.15:8080
202.28.34.99:8080
198.27.67.35:8080
180.250.21.2:443
62.141.45.103:443
116.125.120.88:443
159.65.163.220:443
165.227.153.100:8080
58.96.74.42:443
203.217.140.239:443
212.98.224.97:8080
198.211.118.165:443
128.199.93.156:7080
134.209.164.181:8080
190.107.19.180:8080
Dropper Extraction:
https://www.financialchile.com/art/7Youv4A9Kf/
http://francite.net/images/fT7/
http://guvenliksepeti.net/ygzz/u5FoPrW8qKzgI/
http://www.birebiregitim.net/wp-includes/6TZYwP7KzCD/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/078dd0cb7a5a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

File information

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

Malspam

SilentBuilder

Excel file xls 078dd0cb7a5ab4d228094321a828d71aa7e111117d054aa00a5c32ddc2667c5a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments