MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5aa82085d0e21dfe6198f58076142c8e80e253b8575ab2723918bb4a9915cd79. 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: 4
| SHA256 hash: | 5aa82085d0e21dfe6198f58076142c8e80e253b8575ab2723918bb4a9915cd79 |
|---|---|
| SHA3-384 hash: | c93c915fa6655956709f03b680b2a4695cc01feb90c13fea1f8129f4d97b7b398c7ea58866c5d06b77d2611987502e53 |
| SHA1 hash: | f48e583f542d64e0930bd6011d7a7ca63bd2434a |
| MD5 hash: | 5c493563c7c87cb96eee7077a179b2cf |
| humanhash: | massachusetts-four-fillet-uranus |
| File name: | Telux.com_Swift_03_06_2022.xls |
| Download: | download sample |
| Signature | SilentBuilder |
| File size: | 72'210 bytes |
| First seen: | 2022-06-03 15:01:01 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 1536:OhKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+D+hDcnTLiQrRTZws8Ea:uKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM9 |
| TLSH | T1E5634B59B769C85EE9198B3088F747D62323FD308B5F0A433259F3926FB99905703A1B |
| TrID | 80.2% (.XLS) Microsoft Excel sheet (32500/1/3) 19.7% (.) Generic OLE2 / Multistream Compound (8000/1) |
| Reporter | |
| 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: 4 |
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 | 61860 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 |
|---|---|---|
| Suspicious | URLDownloadToFileA | May download files from the Internet |
| Suspicious | XLM macro | XLM macro found. It may contain malicious code |
Intelligence
File Origin
Vendor Threat Intelligence
TwinWave.EvilDoc.XL4DataopItWasGoodLivingWithYou.20211109.UNOFFICIAL
Sanesecurity.Badmacro.Xls.abpw.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.URLDOWNLOADTOFILE.200415.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.SHELLEXECUTE.200416.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOOD.AOEX4.BITSNEEDEDFOR.SHELLEXECUTE.200524.UNOFFICIAL
TwinWave.EvilDoc.Excel4DragoTrainingMontage.20210204.UNOFFICIAL
TwinWave.EvilDoc.XL4MStringFractures.20210921.UNOFFICIAL
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL
TwinWave.EvilDoc.DataOpGodGaveRockNRoll2U.20211215.UNOFFICIAL
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20220215.UNOFFICIAL
Result
Behaviour
Result
Payload URLs
Document image
Result
Details
Result
Signature
Behaviour
Result
Behaviour
Malware Config
http://www.wenne24.keurigonline52.nl/cgi-bin/FsHQ3ndkZb/
http://www.supersanmutfak.com/Template/fMh7nu/
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 |
| Rule name: | SUSP_Excel4Macro_AutoOpen |
|---|---|
| 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.
Malspam
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