MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43874a9fbb28f47bc007e30c0c5494bb292e376398db3c446aa8567f8a4a49b1. 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
RemcosRAT
Vendor detections: 12
Maldoc score: 5
| SHA256 hash: | 43874a9fbb28f47bc007e30c0c5494bb292e376398db3c446aa8567f8a4a49b1 |
|---|---|
| SHA3-384 hash: | a91f1c8593e26d43989943faf447d85375dc864e63ee8a2f4ad76cacd0d70f63e71059fef3b1394859d7fe1d96d49081 |
| SHA1 hash: | 6da0bf010d03ec5aa962a6c5a0dd59244c7ce6e9 |
| MD5 hash: | 26b3f7fcf34d2e05701b2a412b8567be |
| humanhash: | august-hotel-item-stairway |
| File name: | TÜRKİYE MÜŞTERİDEN ÖRNEK SİPARİŞ.doc |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 55'808 bytes |
| First seen: | 2022-04-05 17:48:02 UTC |
| Last seen: | 2022-04-05 18:39:09 UTC |
| File type: | |
| MIME type: | application/msword |
| ssdeep | 384:Cw7hot7kXyG07040w03yotCa0P50jiGME8iSwvxjk+t8hnPiZTsnPiZ:ZhoQ507040w03MBFJqxw+t+iZTaiZ |
| TLSH | T1ED43957475E2CA07D16D0439A98ACA5A79B4EC965F93928B3E7B3F1D69310F00721F2C |
| Reporter | |
| Tags: | doc geo RemcosRAT TUR |
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 23 sections in this file using oledump:
| Section ID | Section size | Section name |
|---|---|---|
| 1 | 114 bytes | CompObj |
| 2 | 260 bytes | DocumentSummaryInformation |
| 3 | 404 bytes | SummaryInformation |
| 4 | 11105 bytes | 1Table |
| 5 | 5838 bytes | Data |
| 6 | 363 bytes | Macros/PROJECT |
| 7 | 41 bytes | Macros/PROJECTwm |
| 8 | 1768 bytes | Macros/VBA/ThisDocument |
| 9 | 2435 bytes | Macros/VBA/_VBA_PROJECT |
| 10 | 513 bytes | Macros/VBA/dir |
| 11 | 77 bytes | ObjectPool/_1710587586/CompObj |
| 12 | 20 bytes | ObjectPool/_1710587586/Ole |
| 13 | 5 bytes | ObjectPool/_1710587586/Ole10ItemName |
| 14 | 4516 bytes | ObjectPool/_1710587586/Ole10Native |
| 15 | 6 bytes | ObjectPool/_1710587586/ObjInfo |
| 16 | 4564 bytes | ObjectPool/_1710587586/PRINT |
| 17 | 77 bytes | ObjectPool/_1710587587/CompObj |
| 18 | 20 bytes | ObjectPool/_1710587587/Ole |
| 19 | 5 bytes | ObjectPool/_1710587587/Ole10ItemName |
| 20 | 4516 bytes | ObjectPool/_1710587587/Ole10Native |
| 21 | 6 bytes | ObjectPool/_1710587587/ObjInfo |
| 22 | 4564 bytes | ObjectPool/_1710587587/PRINT |
| 23 | 6702 bytes | WordDocument |
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 | AutoOpen | Runs when the Word document is opened |
| IOC | BADDEST.msi | Executable file name |
| Suspicious | CreateObject | May create an OLE object |
| Suspicious | windows | May enumerate application windows (if combined with Shell.Application object) |
Intelligence
File Origin
Vendor Threat Intelligence
Result
Behaviour
Result
Payload URLs
Document image
Result
Details
Result
Signature
Behaviour
Result
Behaviour
Malware Config
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: | malware_shellcode_hash |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect shellcode api hash value |
| Rule name: | Office_AutoOpen_Macro |
|---|---|
| Author: | Florian Roth |
| Description: | Detects an Microsoft Office file that contains the AutoOpen Macro function |
| Rule name: | SUSP_Doc_WindowsInstaller_Call_Feb22_1 |
|---|---|
| Author: | Nils Kuhnert |
| Description: | Triggers on docfiles executing windows installer. Used for deploying ThinBasic scripts. |
| Reference: | https://inquest.net/blog/2022/02/24/dangerously-thinbasic |
| Rule name: | susp_lure_xls_WindowsInstaller_Feb2021_1 |
|---|---|
| Author: | Nils Kuhnert |
| Description: | Triggers on docfiles executing windows installer. Used for deploying ThinBasic scripts. |
| Reference: | https://twitter.com/threatinsight/status/1497355737844133895 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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