MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 77f1c89eb87eb126ed2c54e2e079f8560dbae9436b6cd2c1a8ca07679bed2f4b. 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: 10
Maldoc score: 7
| SHA256 hash: | 77f1c89eb87eb126ed2c54e2e079f8560dbae9436b6cd2c1a8ca07679bed2f4b |
|---|---|
| SHA3-384 hash: | acdc5364d7f1d42a27e86a5e98eb020c61accb2b324bb995d62b780aa5ae4f497a323dd533922b9546c502c541e70f38 |
| SHA1 hash: | 9151e497274aa1924251f8365104f652a73cb2cd |
| MD5 hash: | 50dd7a7670381cdc33df4dd3ee297382 |
| humanhash: | maine-equal-arkansas-bacon |
| File name: | web.xls |
| Download: | download sample |
| Signature | SilentBuilder |
| File size: | 252'928 bytes |
| First seen: | 2021-11-29 11:48:58 UTC |
| Last seen: | Never |
| File type: | |
| MIME type: | application/vnd.ms-excel |
| ssdeep | 6144:MKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgxcfFw6lxFT7kFWqOSMQ6HujLmH98DUu:kFrlxFTMrvbiFd8D7 |
| TLSH | T14234E146796CC8DEFA57833148C75BAAA333DC204FD71B876A89722C6FB4DB47912046 |
| 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: 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 | 241571 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
Vendor Threat Intelligence
Xls.Downloader.Qbot1120211-9905990-0
TwinWave.EvilDoc.XL4QakyFeaturingNothingNowhere.M2.20210611.UNOFFICIAL
TwinWave.EvilDoc.XL4MBizarreLoveTriangle.20211102.UNOFFICIAL
TwinWave.EvilDoc.XL4BBazarLiquidSwords.20211102.UNOFFICIAL
TwinWave.EvilDoc.DOCXSTRGOODXL4.HTTPS
Result
Behaviour
Result
Payload URLs
Document image
Result
Details
Result
Signature
Behaviour
Result
Behaviour
Malware Config
https://ileadafricanow.org/gZPZb6yK/n2.html
https://serviceexpress.com.br/7mpBmsflb7fe/n1.html
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | Excel_Hidden_Macro_Sheet |
|---|
| Rule name: | Excel_Hidden_Macro_Sheet |
|---|
| 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.
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.