MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277. 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: 14


Maldoc score: 10


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277
SHA3-384 hash: c5bd7eda953836b7ffebcd2c6035957a5fedb057d9d71d9322231e631fb452709f86337b3e0a47d817ae7daa3aedfdb9
SHA1 hash: f00ce3f1fb55634b64a53caa3a4c4388729c05dc
MD5 hash: c3d71f860c941fb9a4a16f5b1ebf0c34
humanhash: dakota-seven-enemy-whiskey
File name:bleh.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:97'280 bytes
First seen:2022-07-05 13:54:19 UTC
Last seen:2022-07-06 08:10:53 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:PFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgg5HuS4hcTO97v7UYdEJmeA:tKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgt
TLSH T10E934A46B659DA1EF625833148E787A67333FC304F6B47472268B3257FB99A04B0721B
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter James_inthe_box
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
386529 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 :
4
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1657013085-1676fd4b5e19a470001-B6MWvT.eml
Verdict:
Malicious activity
Analysis date:
2022-07-05 13:48:45 UTC
Tags:
loader
Link:
https://app.any.run/tasks/56550862-f21c-4afe-8920-346717f4d3f5

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(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
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
Creating a file
Creating a process with a hidden window
Launching a process
Moving a recently created file
Query of malicious DNS domain
Sending an HTTP GET request to an infection source 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/200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
coinminer emotet greyware macros macros-on-open packed regsvr32
Link:
https://www.filescan.io/uploads/62c442ba76fa5a599444b66b/reports/1db3aef4-8b67-467e-afc6-5e485affbe8e/overview
Label:
Benign
Suspicious Score:
3.6/10
Score Malicious:
36%
Score Benign:
64%
Link:
https://www.malware.ai/gui/files/?id=aa1d453c-29ce-48f4-b95e-b0464869f9ae
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277
Result
Threat name:
Hidden Macro 4.0
Create hunting rule
Detection:
malicious
Classification:
expl.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1024891
Signature
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Document exploit detected (UrlDownloadToFile)
Found Excel 4.0 Macro with suspicious formulas
Found malicious Excel 4.0 Macro
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 657385 Sample: bleh.xls Startdate: 05/07/2022 Architecture: WINDOWS Score: 84 20 Multi AV Scanner detection for domain / URL 2->20 22 Antivirus detection for URL or domain 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 3 other signatures 2->26 6 EXCEL.EXE 11 31 2->6         started        process3 file4 18 C:\Users\user\Desktop\bleh.xls, Composite 6->18 dropped 28 Document exploit detected (UrlDownloadToFile) 6->28 10 regsvr32.exe 6->10         started        12 regsvr32.exe 6->12         started        14 regsvr32.exe 6->14         started        16 regsvr32.exe 6->16         started        signatures5 process6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277/
Threat name:
Document-Office.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-07-05 08:55:40 UTC
File Type:
Document
Extracted files:
11
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eahyivsqtvxxbur6k5o32cpnpxtnrdhfzigddhz77ghoxfebgj3q._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/220705-q74s6abgd2/
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
162.243.103.246:8080
51.79.205.117:8080
104.236.40.81:443
144.91.92.120:8080
138.197.68.35:8080
69.63.64.48:8080
34.80.191.247:8080
45.226.53.34:443
201.73.143.120:7080
136.243.32.168:443
144.217.88.125:443
104.248.155.133:443
217.79.180.211:8080
34.85.105.209:8080
45.93.136.110:7080
103.224.242.13:8080
51.91.142.26:443
49.231.16.102:8080
131.100.24.199:4143
167.172.248.70:8080
161.97.68.105:8080
1.234.21.73:7080
146.59.151.250:443
165.227.166.238:8080
159.8.59.84:8080
45.55.134.126:8080
Dropper Extraction:
http://zonainformatica.es/aspnet_client/n0ULlfoAHHQh9tagckL/
https://napolni.me/3r/ILq7TqCUS/
http://sigratech.de/career/sRpMMHief7H/
http://webbandi.hu/image/Ifm98UCtROXr/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/200f8456509d/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/200f8456509d6f70d23e575dbd09ed7de6d88ce5ca0c319f3ff98eeb94813277

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:Qbot
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule to Detect Qbot
Rule name:SUSP_Excel4Macro_AutoOpen
Create hunting rule
Author:John Lambert @JohnLaTwC
Description:Detects Excel4 macro use with auto open / close

File information

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

  
Delivery method
Other

Comments