MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e175ca3031f6140953f5222e06f962874cf6b64509e375928b446dae0028251. 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: 13


Maldoc score: 5


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e175ca3031f6140953f5222e06f962874cf6b64509e375928b446dae0028251
SHA3-384 hash: f33496c9667b0a21319a76bd67bf21c80246d8af1530760d0d506b7fa19f33de51a20068441878d69fd3b0016a2e161b
SHA1 hash: d89db60cbcf3a94a963206e64af19e11c4b10510
MD5 hash: 3522fb3cd45217a09df554708a8a691a
humanhash: robin-venus-berlin-delaware
File name:ARCHIVO-24052022.xls
Download: download sample
Signature SilentBuilder
Create hunting rule
File size:96'768 bytes
First seen:2022-05-24 10:38:33 UTC
Last seen:2022-05-25 09:30:17 UTC
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:JsKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgSUZx6FyxC3YGbl7BgWDFsqtNhWmDJdWh:6Kpb8rGYrMPe3q7Q0XV5xtezEsi8/dgZ
TLSH T11A936C56B69EC85DFA558775849797A9F333FC205BAB09473208B3A47FF49A08A03207
TrID 80.2% (.XLS) Microsoft Excel sheet (32500/1/3)
19.7% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter pr0xylife
Tags:Emotet epoch5 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: 5
OLE dump

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

Section IDSection sizeSection name
14096 bytesDocumentSummaryInformation
24096 bytesSummaryInformation
386393 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
AutoExecAuto_OpenRuns when the Excel Workbook is opened
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 :
3
# of downloads :
327
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ARCHIVO-24052022.xls
Verdict:
Malicious activity
Analysis date:
2022-05-24 11:19:35 UTC
Tags:
macros
Link:
https://app.any.run/tasks/ca2c0399-c7f2-4c92-af43-592a1b942611

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/274031/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Сreating synchronization primitives
DNS request
Creating a file
Query of malicious DNS domain
Sending an HTTP GET request
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File
Link:
https://app.docguard.net/6e175ca3031f6140953f5222e06f962874cf6b64509e375928b446dae0028251/results/dashboard
Payload URLs
URL
File name
https://bosny.com/aspnet_client/NGTx1FUzq/
WorkBook
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control.exe greyware keylogger macros macros-on-open regsvr32 regsvr32.exe
Link:
https://www.filescan.io/uploads/628cb604206e0816183b1dc3/reports/398bcf1f-cd46-400b-b455-ecb19e37b905/overview
Label:
Malicious
Suspicious Score:
5.4/10
Score Malicious:
55%
Score Benign:
45%
Link:
https://www.malware.ai/gui/files/?id=5c35cc0f-023b-48f2-a369-b16d522ada3b
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/6e175ca3031f6140953f5222e06f962874cf6b64509e375928b446dae0028251
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/1000562
Signature
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)
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
System process connects to network (likely due to code injection or exploit)
Yara detected Emotet
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633058 Sample: ARCHIVO-24052022.xls Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Antivirus detection for URL or domain 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 7 EXCEL.EXE 7 25 2->7         started        12 svchost.exe 2->12         started        process3 dnsIp4 44 bosny.com 203.151.59.20, 443, 49173 INET-TH-ASInternetThailandCompanyLimitedTH Thailand 7->44 46 bulldogironworksllc.com 162.214.98.126, 443, 49175 UNIFIEDLAYER-AS-1US United States 7->46 48 www.berekethaber.com 178.211.45.226, 443, 49174 INETLTDTR Turkey 7->48 30 C:\Users\user\...\lTzwYUfkbByvTUKTMga[1].dll, PE32+ 7->30 dropped 32 C:\Users\user\...\hPanwSuyzmvWm3vX[1].dll, PE32+ 7->32 dropped 34 C:\Users\user\AppData\Local\...\1dRQ2v[1].dll, PE32+ 7->34 dropped 36 4 other malicious files 7->36 dropped 62 Document exploit detected (creates forbidden files) 7->62 64 Document exploit detected (UrlDownloadToFile) 7->64 14 regsvr32.exe 1 7->14         started        18 regsvr32.exe 1 7->18         started        20 regsvr32.exe 1 7->20         started        file5 signatures6 process7 file8 38 C:\Windows\System32\...\CthDYO.dll (copy), PE32+ 14->38 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->66 22 regsvr32.exe 14->22         started        40 C:\Windows\...\ORzeuvbvLswUkN.dll (copy), PE32+ 18->40 dropped 25 regsvr32.exe 2 18->25         started        42 C:\Windows\...\XllPIDZvofTA.dll (copy), PE32+ 20->42 dropped 28 regsvr32.exe 20->28         started        signatures9 process10 dnsIp11 60 System process connects to network (likely due to code injection or exploit) 22->60 50 165.22.73.229, 49176, 49178, 49179 DIGITALOCEAN-ASNUS United States 25->50 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e175ca3031f6140953f5222e06f962874cf6b64509e375928b446dae0028251/
Threat name:
Document-Excel.Trojan.Abracadabra
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 10:39:05 UTC
File Type:
Document
Extracted files:
11
AV detection:
11 of 41 (26.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nylvziydd5qubfj7kiroa34wfb2m623ekcpdowjiwrdnvyacqjiq._file
Result
Malware family:
emotet
Create hunting rule
Score:
  10/10
Tags:
family:emotet botnet:epoch5 banker macro trojan xlm
Link:
https://tria.ge/reports/220524-mpybwaccap/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Loads dropped DLL
Downloads MZ/PE file
Emotet
Process spawned unexpected child process
Malware Config
C2 Extraction:
194.9.172.107:8080
66.42.57.149:443
165.22.73.229:8080
202.29.239.162:443
76.189.152.228:1645
59.185.164.123:8382
115.19.43.159:30377
104.248.225.227:8080
54.38.242.185:443
103.133.214.242:8080
78.47.204.80:443
210.57.209.142:8080
103.41.204.169:8080
118.98.72.86:443
88.217.172.165:8080
87.106.97.83:7080
85.25.120.45:8080
195.77.239.39:8080
37.44.244.177:8080
36.67.23.59:443
93.41.142.108:30345
42.6.66.255:39545
160.16.143.191:7080
38.217.125.207:49663
54.38.143.246:7080
159.69.237.188:443
68.183.93.250:443
54.37.228.122:443
190.90.233.66:443
37.59.209.141:8080
29.146.139.51:30005
18.37.240.161:6409
178.62.112.199:8080
59.148.253.194:443
196.44.98.190:8080
79.235.8.209:58224
202.28.34.99:8080
78.46.73.125:443
51.68.141.164:8080
207.148.81.119:8080
93.104.209.107:8080
185.148.168.220:8080
100.21.231.107:63582
103.85.95.4:8080
62.171.178.147:8080
175.126.176.79:8080
134.122.119.23:8080
202.134.4.210:7080
116.124.128.206:8080
45.71.195.104:8080
110.235.83.107:7080
103.56.149.105:8080
68.183.91.111:8080
119.44.217.160:39748
5.56.132.177:8080
195.154.146.35:443
217.182.143.207:443
54.37.106.167:8080
85.214.67.203:8080
90.63.125.244:30283
188.225.32.231:4143
103.42.58.120:7080
139.196.72.155:8080
Dropper Extraction:
https://bosny.com/aspnet_client/NGTx1FUzq/
https://www.berekethaber.com/hatax/c7crGdejW4380ORuxqR/
https://bulldogironworksllc.com/temp/BBh5HHpei/
Malware family:
Emotet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6e175ca3031f/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/6e175ca3031f6140953f5222e06f962874cf6b64509e375928b446dae0028251

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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/274031/

Comments