MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5. 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: 13


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

SHA256 hash: c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5
SHA3-384 hash: 421466cf6024033ce0fc7b8b2dbafc5fd2e4881752f2e5a3fe2ec1755ae1e46e2cee3d626ec8b322deafd3ca1c84cb6c
SHA1 hash: 118dfa208a19c9255e5c3e6962f0e2306c1a148f
MD5 hash: 30cece81aea584416692dd3eeec38453
humanhash: vegan-charlie-fifteen-missouri
File name:eneedbestthingswithgreatnewsevengivenbestforentiretime________weneedbestthingswithgreatnewsevengivenbestforentiretime______weneedbestthingswithgreatnewsevengivenbestforentiretime.doc
Download: download sample
File size:101'008 bytes
First seen:2025-04-08 09:31:55 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 3072:DseuaXcCNbGwg0fYebq7uBcXNBDXjI2aY6oJAx8a9epIH:DsLaXfdXQAq7rDX82aY6oJA+a9epIH
TLSH T1F1A3B16EE34B09259F51A77B430B4E4A09BCB22DF38500B179AC977437EDD3A466287C
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
563
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67f4edf0e011fe619fad3635
Tags:
office shell lien sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a file in the Windows subdirectories
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Launching a service
Connection attempt to an infection source
Possible injection to a system process
Connection attempt by exploiting the app vulnerability
Query of malicious DNS domain
Launching a process by exploiting the app vulnerability
Unauthorized injection to a system process
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=1549de85-e56a-448c-9788-f179497d8521
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1659201
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/c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2025-04-07 11:51:24 UTC
File Type:
Document
Extracted files:
4
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zg4ruy7yx4e23fu6ltwlow7bsc7yyat77ptgk5kaeimicmrbqpsq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/250408-lhpkqaspz3/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/60d3fba2-0b77-4200-8104-e84528485330
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c9b91a63f8bf/report/overview.html
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/c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5

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 c9b91a63f8bf09ad969e5cecb75be190bf8c027ffbe6657540221881322183e5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3504265/
  
Delivery method
Distributed via web download

Comments