🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc4ca89197f05ac4bea910a515aaa02d85e08ba6644a2ca6482b861f12e0d477. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: fc4ca89197f05ac4bea910a515aaa02d85e08ba6644a2ca6482b861f12e0d477
SHA3-384 hash: 069ca50460d8de2d457a76d89118ac382d6fc10a541266cd0edf714417e30dbd05b2d04eb8fb8780ac9c93bac0088846
SHA1 hash: 19b41742d6f353f7892f1874fce5267275208620
MD5 hash: 8360f6f56d84291ffcd2e0839f5a99cd
humanhash: kentucky-mockingbird-vermont-papa
File name:InvoiceDocument_26025523_49272_20260505024942..xls
Download: download sample
Signature RemcosRAT
File size:457'216 bytes
First seen:2026-05-08 09:45:10 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:5h8izGD6EXCTmLUVE3YJlMdwhEbV8p4srp46zSuBaCeUkO:5h8oK6bTm8KQYK4srp4fhCxk
TLSH T149A45C7AF198C8DEDF6782B1AB674940031E9E643B545622342E7A36F5B3E5CCBC3046
TrID 34.0% (.XLS) Microsoft Excel sheet (32500/1/3)
29.3% (.XLS) Microsoft Excel sheet (alternate) (28000/1/3)
25.6% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
8.3% (.) Generic OLE2 / Multistream Compound (8000/1)
2.6% (.ASSETS) Unity binary serialized Assets (generic) (2509/3/1)
Magika xls
Reporter abuse_ch
Tags:CVE-2017-11882 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 dump

MalwareBazaar was able to identify 26 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
2244 bytesDocumentSummaryInformation
3200 bytesSummaryInformation
494 bytesMBD00BD0899/CompObj
562 bytesMBD00BD0899/Ole
693693 bytesMBD00BD0899/CONTENTS
794 bytesMBD00BD089A/CompObj
820 bytesMBD00BD089A/Ole
942296 bytesMBD00BD089A/CONTENTS
1094 bytesMBD00BD089B/CompObj
1162 bytesMBD00BD089B/Ole
1293693 bytesMBD00BD089B/CONTENTS
1394 bytesMBD00BD089C/CompObj
1420 bytesMBD00BD089C/Ole
1542296 bytesMBD00BD089C/CONTENTS
1620 bytesMBD00BD089D/Ole
172090 bytesMBD00BD089D/ole10NatIvE
18163168 bytesWorkbook
19527 bytes_VBA_PROJECT_CUR/PROJECT
20104 bytes_VBA_PROJECT_CUR/PROJECTwm
21977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
22977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
23977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
24985 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
252644 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
26553 bytes_VBA_PROJECT_CUR/VBA/dir

Intelligence


File Origin
# of uploads :
1
# of downloads :
166
Origin country :
SE SE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted VBA Macros and, if observed, MS-OFORM variables/data are added to the knowledge base for usage in later parsing of the Macros
Malware family:
n/a
ID:
1
File name:
_fc4ca89197f05ac4bea910a515aaa02d85e08ba6644a2ca6482b861f12e0d477.xls
Verdict:
No threats detected
Analysis date:
2026-05-08 09:50:47 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
False
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for synchronization primitives
Launching a process
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Behaviour
BlacklistAPI detected
Document image
Document image
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embedequation exploit macros
Label:
Benign
Suspicious Score:
/10
Score Malicious:
%
Score Benign:
1%
Verdict:
Malicious
File Type:
xls
First seen:
2026-05-08T04:23:00Z UTC
Last seen:
2026-05-09T23:53:00Z UTC
Hits:
~1000
Detections:
Exploit.MSOffice.CVE-2017-11882.sb Trojan.MSOffice.SAgent.sb Trojan.MSOffice.Agent.sb Trojan-Downloader.Agent.HTTP.C&C Exploit.MSOffice.CVE-2018-0802.b Trojan.Win32.Shelma.sb Trojan-Downloader.MSOffice.SLoad.sb HEUR:Exploit.MSOffice.Generic
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (process start blacklist hit)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected MalDoc
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Office Document
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-11882
Threat name:
Win32.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2026-05-08 09:46:13 UTC
File Type:
Document
Extracted files:
61
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
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 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