MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 871c3a560fe16ebb0c953f84ff95e05eb7c5075b8356b09aa43bddeec9c21826. 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: 7
| SHA256 hash: | 871c3a560fe16ebb0c953f84ff95e05eb7c5075b8356b09aa43bddeec9c21826 |
|---|---|
| SHA3-384 hash: | 5da585430e060f1c1b27103ac8b186feaae07be6a1a298a7512c52b13c0845e2e6ae90c09c1b452f3bf0698e871a25d2 |
| SHA1 hash: | 72a7923a60de928fe371e465ca70700c4d1bcbb8 |
| MD5 hash: | 7ba8d019f4bfbf169aa4c31dbf28edb8 |
| humanhash: | social-winner-speaker-network |
| File name: | Contract - May 18, 2022 from Reliancecorp.xls |
| Download: | download sample |
| Signature | SilentBuilder |
| File size: | 86'528 bytes |
| First seen: | 2022-05-18 18:16:48 UTC |
| Last seen: | 2022-05-19 06:35:45 UTC |
| File type: |  xls |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 1536:H8nKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgwRAezwrMC1vJec/RtbKQ6w:gKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgB |
| TLSH | T1A0834A4AB69AC85DE523873949A783A9B323FC150F6B0747350AF3613FF49E05A0761B |
| TrID | 80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Reporter |  pr0xylife |
| Tags: | Emotet epoch4 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: 7 |
OLE dump
MalwareBazaar was able to identify 3 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 4096 bytes | DocumentSummaryInformation |
| 2 | 4096 bytes | SummaryInformation |
| 3 | 75928 bytes | Workbook |
OLE vba
MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:
| Type | Keyword | Description |
|---|---|---|
| AutoExec | Auto_Open | Runs when the Excel Workbook is opened |
| Suspicious | Hex Strings | Hex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | Base64 Strings | Base64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) |
| Suspicious | XLM macro | XLM macro found. It may contain malicious code |
Intelligence
File Origin
# of uploads :
3
# of downloads :
297
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Contract - May 18, 2022 from Reliancecorp.xls
Verdict:
No threats detected
Analysis date:
2022-05-18 18:22:53 UTC
Tags:
macros
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:
False
Detection:
n/a
Detection(s):
TwinWave.EvilDoc.XL4DataopItWasGoodLivingWithYou.20211109.UNOFFICIAL
Sanesecurity.Badmacro.Xls.abpw.UNOFFICIAL
TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL
TwinWave.EvilDoc.EmoZenith.20220420.UNOFFICIAL
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL
TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20220215.UNOFFICIAL
Sanesecurity.Badmacro.Xls.abpw.UNOFFICIAL
TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL
TwinWave.EvilDoc.EmoZenith.20220420.UNOFFICIAL
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL
TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20220215.UNOFFICIAL
Result
Verdict:
Malware
Maliciousness:
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Payload URLs
URL
File name
http://www.omarhospital.com/wp-content/Ved4BBJms7gwl2/
WorkBook
Document image
Image:
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
emotet macros macros-on-open packed stripped
Label:
Benign
Suspicious Score:
1.8/10
Score Malicious:
18%
Score Benign:
82%
Result
Verdict:
MALICIOUS
Link:
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 / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Yara detected Emotet
Behaviour
Behavior Graph:
Threat name:
Script-WScript.Trojan.Silentbuilder
Status:
Malicious
First seen:
2022-05-18 17:15:27 UTC
File Type:
Document
Extracted files:
9
AV detection:
19 of 25 (76.00%)
Threat level:
5/5
Detection(s):
Malicious file
Result
Malware family:
emotet
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:
51.254.140.238:7080
103.70.28.102:8080
5.9.116.246:8080
1.234.2.232:8080
209.250.246.206:443
58.227.42.236:80
72.15.201.15:8080
159.65.88.10:8080
189.126.111.200:7080
173.212.193.249:8080
188.44.20.25:443
134.122.66.193:8080
172.104.251.154:8080
103.75.201.2:443
150.95.66.124:8080
153.126.146.25:7080
103.43.75.120:443
203.114.109.124:443
27.54.89.58:8080
1.234.21.73:7080
146.59.226.45:443
185.8.212.130:7080
159.65.140.115:443
167.172.253.162:8080
45.235.8.30:8080
213.241.20.155:443
163.44.196.120:8080
45.118.115.99:8080
102.222.215.74:443
209.126.98.206:8080
77.81.247.144:8080
46.55.222.11:443
110.232.117.186:8080
212.237.17.99:8080
45.176.232.124:443
183.111.227.137:8080
101.50.0.91:8080
173.239.37.178:8080
206.189.28.199:8080
103.132.242.26:8080
201.94.166.162:443
158.69.222.101:443
82.165.152.127:8080
164.68.99.3:8080
209.97.163.214:443
172.105.70.96:443
185.4.135.165:8080
212.24.98.99:8080
149.56.131.28:8080
129.232.188.93:443
131.100.24.231:80
197.242.150.244:8080
94.23.45.86:4143
79.137.35.198:8080
91.207.28.33:8080
167.99.115.35:8080
152.136.229.39:8080
51.91.76.89:8080
119.193.124.41:7080
89.29.244.7:443
151.106.112.196:8080
196.218.30.83:443
160.16.142.56:8080
103.70.28.102:8080
5.9.116.246:8080
1.234.2.232:8080
209.250.246.206:443
58.227.42.236:80
72.15.201.15:8080
159.65.88.10:8080
189.126.111.200:7080
173.212.193.249:8080
188.44.20.25:443
134.122.66.193:8080
172.104.251.154:8080
103.75.201.2:443
150.95.66.124:8080
153.126.146.25:7080
103.43.75.120:443
203.114.109.124:443
27.54.89.58:8080
1.234.21.73:7080
146.59.226.45:443
185.8.212.130:7080
159.65.140.115:443
167.172.253.162:8080
45.235.8.30:8080
213.241.20.155:443
163.44.196.120:8080
45.118.115.99:8080
102.222.215.74:443
209.126.98.206:8080
77.81.247.144:8080
46.55.222.11:443
110.232.117.186:8080
212.237.17.99:8080
45.176.232.124:443
183.111.227.137:8080
101.50.0.91:8080
173.239.37.178:8080
206.189.28.199:8080
103.132.242.26:8080
201.94.166.162:443
158.69.222.101:443
82.165.152.127:8080
164.68.99.3:8080
209.97.163.214:443
172.105.70.96:443
185.4.135.165:8080
212.24.98.99:8080
149.56.131.28:8080
129.232.188.93:443
131.100.24.231:80
197.242.150.244:8080
94.23.45.86:4143
79.137.35.198:8080
91.207.28.33:8080
167.99.115.35:8080
152.136.229.39:8080
51.91.76.89:8080
119.193.124.41:7080
89.29.244.7:443
151.106.112.196:8080
196.218.30.83:443
160.16.142.56:8080
Dropper Extraction:
https://oftalmocity.com/wp-admin/xDjDiXhcS/
https://www.muslimproperty.co.uk/cgi-bin/8lS/
http://goodfriendsdriving.com/createschedule/F0jGvgTiFAMRh2Tr8HL/
https://www.muslimproperty.co.uk/cgi-bin/8lS/
http://goodfriendsdriving.com/createschedule/F0jGvgTiFAMRh2Tr8HL/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|
| Rule name: | Qbot |
|---|---|
| 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.
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