MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e
SHA3-384 hash: 17732ffa348b62318f732711f6105bfa38f30e2e0858169890f30fd2a6a493408502ecfde38dc4d1287b405993b94330
SHA1 hash: 59ff738976651d24126bbd6ef313e6f31af9db65
MD5 hash: f83050a49383b5c615b9a84543254f4e
humanhash: delaware-paris-freddie-montana
File name:f83050a49383b5c615b9a84543254f4e
Download: download sample
File size:28'985 bytes
First seen:2023-05-21 22:00:49 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:ccOjOLSOMHbgaOG+SNctKmitXIaepWiPGmH5id0ecqQPnKqIs40aqdR84MEdm:ccOj5OM7gaOG+xKmitXyp/7H5iShnyq4
TLSH T1FAD214555B8C4C61F36AE87B825DA00E48BCF63A32C245E4BD9DD2B47B3D10E0B671B9
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
154
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f83050a49383b5c615b9a84543254f4e
Verdict:
Malicious activity
Analysis date:
2023-05-21 22:03:59 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/17d00150-0d93-4951-bdb1-35abb2cea4b4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28765.RtfHeur.ObjUpd.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/646a94a4c0df8eb334f86890/reports/8b053962-9a84-40e4-8e97-fedc06626b0b/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1239009
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor establishes network connection
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-05-19 12:20:22 UTC
File Type:
Document
Extracted files:
4
AV detection:
13 of 37 (35.14%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3bmi4uoxhxhuxhfa53whus53dbfdfqhhnhpxnudvizrit5ql5fpa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230521-1w7qsafe2s/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Blocklisted process makes network request
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/d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e

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:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
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

Rich Text Format (RTF) rtf d8588e51d73dcf4b9ca0eeec7a4bbb184a32c0e769df76d075466289f60be95e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2638330/

Comments


Avatar
zbet commented on 2023-05-21 22:00:50 UTC

url : hxxp://104.234.10.91/il/ilillil%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23ililili.doc