MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5146d287ac6cb71296c853961cd904f568df0c7ecbf7020aec016a3cbfa619. 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

SHA256 hash: 8f5146d287ac6cb71296c853961cd904f568df0c7ecbf7020aec016a3cbfa619
SHA3-384 hash: 4f09c1c18f66ac768a9d28f4e8efca23de28cb2c3b5ba2ecee773403f5bd8b04b78b738c97b2512c9001f2d45f20949f
SHA1 hash: 078edbb0d8ed6c0c47cc368e8ae63cb66472f9ec
MD5 hash: 409e6c1dd82691daeb9823579810efde
humanhash: robert-fix-autumn-pluto
File name:409e6c1dd82691daeb9823579810efde
Download: download sample
File size:10'809 bytes
First seen:2023-03-31 07:12:53 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:pzB/Xo7YOleorfllV3+hQmvVd2MyR/oU0H0E+jyTs+7vNbsIE/x:p1XJ8Zb7mjcwJ09ss+TNbW/x
TLSH T1602290001BCD65F2C3A1A133512A845918FDF2BF371A1AF9F98DC4453BAC60D89F82B5
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
104
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
409e6c1dd82691daeb9823579810efde
Verdict:
Malicious activity
Analysis date:
2023-03-31 07:14:28 UTC
Tags:
opendir

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Сreating synchronization primitives
Sending an HTTP GET request
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-11882 embedequation exploit shellcode
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
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:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-03-23 12:33:00 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 37 (43.24%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
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.

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
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
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 8f5146d287ac6cb71296c853961cd904f568df0c7ecbf7020aec016a3cbfa619

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-03-31 07:13:00 UTC

url : hxxp://192.3.176.131/24....................24................DOC