MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259. 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: 13


Intelligence 13 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259
SHA3-384 hash: bf24efb904620ac6ab87199cfe56edc9bf0f3261806d34f4f4837a91dd9c6b97b58f5e4f0aaedcfc03ccdb5954259ab0
SHA1 hash: 58936c06dcefc82f943e1ce5652a64deaf35556b
MD5 hash: 37ed6b57d45d4620837ead9fe3010bb7
humanhash: mike-pip-indigo-mirror
File name:ssdf0wejir23090dfg909cvbbre00dfg00g009d0fg0cvkbj009g004300dfg4309dg0f90.doc
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:54'592 bytes
First seen:2025-10-21 15:04:58 UTC
Last seen:2025-10-22 18:44:59 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 384:g6t7taM4i8nKgOkWOV/cPOd6PCNsjUqaVpbqC4TsTamJAkOf5MNi3ow3sk:g2ULi8KUBUPOdRNsjUqazuCOmNkvL
TLSH T10F33BD4DD78F80A5CF44A63703664A8942FCB73EB70142B9346C837437EEA2E496997C
TrID 83.3% (.RTF) Rich Text Format (5000/1)
16.6% (.JSON) JSON object (generic) (1000/1)
Magika txt
Reporter juroots
Tags:CVE-2017-11882 doc RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
171
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ssdf0wejir23090dfg909cvbbre00dfg00g009d0fg0cvkbj009g004300dfg4309dg0f90.doc
Verdict:
No threats detected
Analysis date:
2025-10-21 15:05:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/eec706f3-fbc2-4919-afb2-33f941513ec9

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

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

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

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f7a156ad6ce0f5ad405203
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embedequation exploit
Link:
https://www.filescan.io/uploads/68f7a15111ff3db29f655a37/reports/591203c7-f807-433b-9158-2b5b8e722373/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=08af46f9-2584-4614-ad8f-edd590559c75
Verdict:
Malicious
File Type:
rtf
First seen:
2025-10-21T02:57:00Z UTC
Last seen:
2025-10-22T16:29:00Z UTC
Hits:
~10
Detections:
HEUR:Exploit.MSOffice.CVE-2018-0802.gen
Link:
https://opentip.kaspersky.com/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
RTF File
Link:
https://app.malva.re/file/37ed6b57d45d4620837ead9fe3010bb7
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259/
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2018-0802
Link:
https://tip.neiki.dev/file/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2025-10-21 08:00:20 UTC
File Type:
Document
Extracted files:
4
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xscyztw232xfwao6e2ttv2w77zrrw4tfhnvhmlcesktzepw22jmq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/251021-sgmhaswlgq/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
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/bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259

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 bc858ccedadeae5b01de26a73aeadffe631b72653b6a762c4492a7923edad259

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3683538/
  
Delivery method
Distributed via web download

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