MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f685a9a664324c43b0023c426fc3bfaa443e0f02e2cb77e27e22c4b06508ccce. 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: 9


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: f685a9a664324c43b0023c426fc3bfaa443e0f02e2cb77e27e22c4b06508ccce
SHA3-384 hash: 94a350c2cd025617fdda4d9f0de09ea2e5aa3c4ced5a526e5623a07b3544ae12b8faf22e492712ae0a13ed89c5a84b2f
SHA1 hash: f0f9c6bad5d278a7b9c7c7771469283ae60b3a37
MD5 hash: b0eec6166858cf08cce88f901b4fc5d0
humanhash: charlie-lake-snake-five
File name:Q-062326003_P125L-04SMT-01-HF-2D drawin.xls
Download: download sample
Signature RemcosRAT
File size:875'008 bytes
First seen:2026-08-10 09:53:47 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 24576:CbLSv9k7eKYt1QRT/64rm1R8wpRSUNkloF:CbL3eKYtmB6TR8wDbNkloF
TLSH T102151202FF418976D68617360BA7B0D6D62DFC27EF26890F2342372ABD766E1C470916
TrID 34.9% (.XLS) Microsoft Excel sheet (32500/1/3)
30.1% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3)
26.3% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
8.6% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika xls
Reporter abuse_ch
Tags:RemcosRAT 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: 9
Application name is Microsoft Excel
File Format is MS Excel 97-2003
Container Format is OLE
Office document is in encrypted
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 22 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
499 bytesMBD002E47EA/CompObj
5219404 bytesMBD002E47EA/Package
6114 bytesMBD002E47EB/CompObj
7220 bytesMBD002E47EB/DocumentSummaryInformation
8132 bytesMBD002E47EB/SummaryInformation
994 bytesMBD002E47EB/MBD00233248/CompObj
1020 bytesMBD002E47EB/MBD00233248/Ole
11245706 bytesMBD002E47EB/MBD00233248/CONTENTS
1271663 bytesMBD002E47EB/Workbook
13776 bytesMBD002E47EC/Ole
14314093 bytesWorkbook
15529 bytes_VBA_PROJECT_CUR/PROJECT
16104 bytes_VBA_PROJECT_CUR/PROJECTwm
17977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
18977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
19977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
20985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
212644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
22553 bytes_VBA_PROJECT_CUR/VBA/dir
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
SuspiciousHex StringsHex-encoded strings were detected, may beused to obfuscate strings (option --decode tosee all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
143
Origin country :
SE SE
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Possible injection to a system process
Creating a window
Connection attempt by exploiting the app vulnerability
Sending an HTTP GET request
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Sending a custom TCP request by exploiting the app vulnerability
Launching a process by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Payload URLs
URL
File name
http://00000025475341765/35/www.independent.co.ukextrasindybestgadgets-techbest-cloud-storage-online-review-b196780303121100
Embedded Ole
Behaviour
SuspiciousRTF detected
Document image
Document image
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
evasive macros
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Verdict:
Malicious
File Type:
xls
First seen:
2026-08-10T00:52:00Z UTC
Last seen:
2026-08-10T06:53:00Z UTC
Hits:
~1000
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
56 / 100
Signature
Document exploit detected (process start blacklist hit)
Excel sheet contains many unusual embedded objects
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Gathering data
Result
Malware family:
n/a
Score:
  1/10
Tags:
persistence ransomware
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Please note that we are no longer able to provide a coverage score for Virus Total.

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:informational_win_ole_protected
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:XLS_STRINGS
Author:somedieyoungZZ
Description:Detect Strings targeting Bangladesh

File information


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

Comments