MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d
SHA3-384 hash: 6332c224908834f5be075146bed5f1648979ee9bc436ba324e3f63f43ec3f6d43eb28fb1728ed6cc2265d6fb628b6113
SHA1 hash: 9e95821756a6dfeb53383fc4bc4babb65356065a
MD5 hash: 8c26f47ba03e8ae966c8175a022b6b18
humanhash: social-high-vermont-papa
File name:wegetbasesupportingfeatureswithnicewegetbasesupporting_______wegetbasesupportingfeatureswithnicewegetbase_______wegetbasesupportingfeatureswithnicewegetbasesupporti.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:67'925 bytes
First seen:2025-06-01 07:56:24 UTC
Last seen:2025-06-11 10:28:42 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:TnOsm+3RLbziRuAdEDyFWw/q1PU/UVfvA4qHuHbAsPOo99db5fykARWGFAwJGm4z:TOsRzaxEGFDagUVXA4qUbAsGo9wkARXe
TLSH T19963D42EE74F0915DF56977B035B4E4A09FCB33DB28140A039AC97743BAD82E466297C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
524
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
fd1736af74107b8e53f4e2d6f15061a4.docx
Verdict:
Malicious activity
Analysis date:
2025-05-28 18:18:52 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6b363b5c-582f-4d39-add9-26ee1774cb41

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.28765.RtfHeur.ObjUpd.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Exploit.ShellCode.69.4667.2545.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

TwinWave.EvilRTF.ObfusRunAway.20240409.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=683c0859acf88f5815ea74b6
Tags:
office xtreme virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a file in the %AppData% directory
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Launching a service
Connection attempt
Possible injection to a system process
Connection attempt to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/683c07e6fd02ed5e05922858/reports/668acbcd-d285-4792-9524-706d50551e04/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=20cd95bd-30fe-44f0-bfbd-844563102cfd
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1703259
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office drops RTF file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d/
Threat name:
Document-OLE.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2025-05-28 11:08:56 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5tkyr6a7vyyefaci52gwd4ftfbsb2uvhbci6a5j3uuslvitdagq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250601-jtfqvavwcz/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Verdict:
Suspicious
Tags:
exploit
YARA:
INDICATOR_RTF_EXPLOIT_CVE_2017_11882_1
Link:
https://app.threat.zone/submission/0081087c-990d-4572-a83a-b0d6e500e004
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d

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:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

File information

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

Web download

RemcosRAT

Word file doc 8f66ac47c0fd7182140247746b0f85994320ea9538448f03a9dd2925d513180d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3556114/
  
Delivery method
Distributed via web download

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