MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130. 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


Threat unknown


Vendor detections: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130
SHA3-384 hash: b811e2083943e5530babb11c1005d306b01e77955b8d1dbdc1cbcc81b39cffc49993f9dffa6ba5c4738888b1f10d6f38
SHA1 hash: af11bab63b1d1da8b49255d0baf5353d0c3de9c8
MD5 hash: 79ffd3fdc0302fd23c7536967a1d2bb2
humanhash: lima-bluebird-crazy-failed
File name:cs.doC
Download: download sample
File size:112'878 bytes
First seen:2026-02-12 18:59:40 UTC
Last seen:2026-02-12 20:23:20 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:M6tAuM+PPrjNCbL0DrBvJ3q7FszG0An5b8ycOqmlERTQPMb:MCAuMyP/NCbL0pvJ3q7YG0Ant8FOKTQ+
TLSH T121B39E6AE74F0854DF94A67B434B4A4945FCB73AF38540A139AC973437EDC2E4A2287C
TrID 83.3% (.RTF) Rich Text Format (5000/1)
16.6% (.JSON) JSON object (generic) (1000/1)
Magika txt
Reporter abuse_ch
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
3
# of downloads :
89
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted component(s) such as package(s) and OLE files
Link:
https://research.acce.ciphertechsolutions.com/results/726282da-c4a0-421f-b7a7-3c750fa3e62c/
Malware family:
n/a
ID:
1
File name:
cs.doC
Verdict:
No threats detected
Analysis date:
2026-02-12 19:04:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/294f81ea-07c0-4a75-a3e6-9571e3b3d812

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

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

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=698e234d76589225f665fc3d
Tags:
obfuscate office xtreme
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=7fae824a-e0b3-4e57-afe1-274bff8e311c
Result
Gathering data
Verdict:
Malicious
File Type:
rtf
First seen:
2026-02-10T06:45:00Z UTC
Last seen:
2026-02-10T07:27:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1868669
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/7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130
Verdict:
inconclusive
YARA:
2 match(es)
Tags:
RTF File
Link:
https://app.malva.re/file/79ffd3fdc0302fd23c7536967a1d2bb2
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130/
Verdict:
Malicious
Threat:
Exploit.MSOffice.CVE-2017-11882
Link:
https://tip.neiki.dev/file/7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2026-02-10 12:20:56 UTC
File Type:
Document
Extracted files:
4
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pt4r3gvwbwofzlwrtu5vi5j73zlz3sizihwlyjvin6kkdqltgeya._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260212-xnt8yaf15d/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7cf91d9ab60d/report/overview.html
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: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

Word file doc 7cf91d9ab60d9c5caed19d3b54753fde579dc91941ecbc26a86f94a1c1733130

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3776648/
  
Delivery method
Distributed via web download

Comments