MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2df2f515397964dae49b3aae092fed46476c7dc4a69bde4502a895b85518753d. 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: 11


Maldoc score: 10


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2df2f515397964dae49b3aae092fed46476c7dc4a69bde4502a895b85518753d
SHA3-384 hash: 50de5ffd28eac17bbff89a20fe0e5d9ed643762828106d0a47cd01f3f1d7fdeb3356bce9c84ea678bff3ecb879e2effa
SHA1 hash: dfc2488786278836a5ad310bb039eef160e02f6d
MD5 hash: faa234ac961d743bc4fd7d4554ad6c6e
humanhash: september-iowa-don-mango
File name:Mes_OI3649014885FJ.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:96'768 bytes
First seen:2022-07-04 10:14:05 UTC
Last seen:2022-07-04 11:16:50 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:/FKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg7RHuS4hcTO97v7UYdEJm6x:9Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgh
TLSH T153934A45B659DA1EF625873148E787A67333FC304F6B47472228B3267FB99A04B0721B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter madjack_red
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
386504 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 StringV4cG56346347
Hex StringGgWG47675747
Hex StringgGGE67474745
Hex StringxXWd78585764
Hex StringE64R45363452
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 :
2
# of downloads :
257
Origin country :
n/a
Vendor Threat Intelligence
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
DNS request
Creating a file
Creating a process with a hidden window
Launching a process
Moving a recently created file
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/2df2f515397964dae49b3aae092fed46476c7dc4a69bde4502a895b85518753d/results/dashboard
Payload URLs
URL
File name
ent.draftserver.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/62c2bdae6ee6df015bb8b6dd/reports/2baaa335-0e6e-44fd-8437-159b2d528dfa/overview
Label:
Benign
Suspicious Score:
3.6/10
Score Malicious:
37%
Score Benign:
63%
Link:
https://www.malware.ai/gui/files/?id=03be9f01-164f-4cd6-a87c-6710f92e29b0
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/2df2f515397964dae49b3aae092fed46476c7dc4a69bde4502a895b85518753d
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/1024078
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
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: 656580 Sample: Mes_OI3649014885FJ.xls Startdate: 04/07/2022 Architecture: WINDOWS Score: 100 65 129.232.188.93 xneeloZA South Africa 2->65 67 45.235.8.30 WIKINETTELECOMUNICACOESBR Brazil 2->67 69 46 other IPs or domains 2->69 87 Snort IDS alert for network traffic 2->87 89 Multi AV Scanner detection for domain / URL 2->89 91 Antivirus detection for URL or domain 2->91 93 9 other signatures 2->93 9 EXCEL.EXE 7 26 2->9         started        14 svchost.exe 2->14         started        signatures3 process4 dnsIp5 71 ent.draftserver.com 3.104.33.35, 443, 49171 AMAZON-02US United States 9->71 73 garantihaliyikama.com 213.128.75.146, 49172, 80 RADORETR Turkey 9->73 75 5 other IPs or domains 9->75 57 C:\Users\user\uoya4.ocx, PE32+ 9->57 dropped 59 C:\Users\user\uoya3.ocx, PE32+ 9->59 dropped 61 C:\Users\user\uoya2.ocx, PE32+ 9->61 dropped 63 6 other malicious files 9->63 dropped 99 Document exploit detected (creates forbidden files) 9->99 101 Document exploit detected (UrlDownloadToFile) 9->101 16 regsvr32.exe 2 9->16         started        20 regsvr32.exe 2 9->20         started        22 regsvr32.exe 2 9->22         started        24 regsvr32.exe 2 9->24         started        file6 signatures7 process8 file9 49 C:\Windows\...\VFPiCTWrzLiWcE.dll (copy), PE32+ 16->49 dropped 83 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->83 26 regsvr32.exe 14 16->26         started        51 C:\Windows\...\aaFZWXXavOBrlc.dll (copy), PE32+ 20->51 dropped 85 Uses ipconfig to lookup or modify the Windows network settings 20->85 30 regsvr32.exe 16 20->30         started        53 C:\Windows\System32\...\etzo.dll (copy), PE32+ 22->53 dropped 32 regsvr32.exe 22->32         started        55 C:\Windows\System32\...\VBySUOpZjY.dll (copy), PE32+ 24->55 dropped 34 regsvr32.exe 24->34         started        signatures10 process11 dnsIp12 77 45.226.53.34, 443, 49182 CONECTJETLAGOSINTERNETBANDALARGALTDA-MEBR Brazil 26->77 103 System process connects to network (likely due to code injection or exploit) 26->103 36 systeminfo.exe 26->36         started        39 ipconfig.exe 26->39         started        41 nltest.exe 26->41         started        79 104.168.155.143, 49175, 49177, 49178 HOSTWINDSUS United States 30->79 81 104.248.155.133, 443, 49183 DIGITALOCEAN-ASNUS United States 30->81 43 systeminfo.exe 30->43         started        45 ipconfig.exe 30->45         started        47 nltest.exe 30->47         started        signatures13 process14 signatures15 95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 36->95 97 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 36->97
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2df2f515397964dae49b3aae092fed46476c7dc4a69bde4502a895b85518753d/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-07-04 10:15:05 UTC
File Type:
Document
Extracted files:
11
AV detection:
16 of 39 (41.03%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fxzpkfjzpfsnvze3hkxasl7nizdwy7oeu2n54ricvck3qviyou6q._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/220704-l984fagddr/
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:
82.223.21.224:8080
173.212.193.249:8080
82.165.152.127:8080
151.106.112.196:8080
160.16.142.56:8080
163.44.196.120:8080
103.70.28.102:8080
164.68.99.3:8080
51.161.73.194:443
146.59.226.45:443
104.168.155.143:8080
101.50.0.91:8080
94.23.45.86:4143
167.172.253.162:8080
5.9.116.246:8080
185.4.135.165:8080
159.65.140.115:443
212.24.98.99:8080
209.97.163.214:443
206.189.28.199:8080
135.148.6.80:443
159.65.88.10:8080
79.137.35.198:8080
172.105.226.75:8080
172.104.251.154:8080
115.68.227.76:8080
201.94.166.162:443
144.91.78.55:443
183.111.227.137:8080
45.176.232.124:443
209.126.98.206:8080
72.15.201.15:8080
197.242.150.244:8080
51.254.140.238:7080
45.235.8.30:8080
103.75.201.2:443
207.148.79.14:8080
213.239.212.5:443
110.232.117.186:8080
153.126.146.25:7080
188.44.20.25:443
45.55.191.130:443
134.122.66.193:8080
131.100.24.231:80
186.194.240.217:443
64.227.100.222:8080
51.91.76.89:8080
159.89.202.34:443
149.56.131.28:8080
196.218.30.83:443
103.43.75.120:443
213.241.20.155:443
91.207.28.33:8080
129.232.188.93:443
119.193.124.41:7080
45.118.115.99:8080
158.69.222.101:443
150.95.66.124:8080
37.187.115.122:8080
107.170.39.149:8080
103.132.242.26:8080
1.234.2.232:8080
139.59.126.41:443
104.236.40.81:443
159.8.59.84:8080
136.243.32.168:443
1.234.21.73:7080
45.55.134.126:8080
34.85.105.209:8080
167.172.248.70:8080
146.59.151.250:443
217.79.180.211:8080
144.217.88.125:443
34.80.191.247:8080
201.73.143.120:7080
131.100.24.199:4143
49.231.16.102:8080
162.243.103.246:8080
103.224.242.13:8080
51.79.205.117:8080
45.93.136.110:7080
104.248.155.133:443
161.97.68.105:8080
69.63.64.48:8080
45.226.53.34:443
165.227.166.238:8080
51.91.142.26:443
138.197.68.35:8080
Dropper Extraction:
https://ent.draftserver.com/cgi-bin/q0T43kuB3QeVjr9Zn7MB/
http://www.garantihaliyikama.com/wp-admin/rbA4tnGz3iFzA8/
https://www.evosp.com.br/doli/yupRZccN20nUJW4/
https://www.reneetten.nl/Menu/zRiacFs/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2df2f5153979/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.

Comments