MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 468a9f796f26c5cdf195a0fecce2c5cb96cc9dde10ee9ed542af0209eade1411. 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: 468a9f796f26c5cdf195a0fecce2c5cb96cc9dde10ee9ed542af0209eade1411
SHA3-384 hash: 98d7260e5925afa2c80ef34bbaab09c8202a4035eca1dc345e1aa77a03015ba183f8756a72c455dd7adeeb3ed2e8155d
SHA1 hash: 21bec8c9c3821da3735b03d8f6d48c78410cf490
MD5 hash: bdff5c8782a221578cb25c9a8c076ff3
humanhash: johnny-bravo-paris-sweet
File name:bdff5c8782a221578cb25c9a8c076ff3
Download: download sample
File size:25'871 bytes
First seen:2023-05-08 00:11:34 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:wyU7q/zbBomMlIOFJ84Jb9Ae9W7snxQAN6piOLrT0H:zUMvBoDpi4Jb6e9W78xrKNLf0H
TLSH T145C2346A5B8C4C61E35AE8B7865EE00E09FCF23631C255D4BD9DE3707B2D10E4B6A1B4
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
103
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bdff5c8782a221578cb25c9a8c076ff3
Verdict:
Malicious activity
Analysis date:
2023-05-08 00:12:21 UTC
Tags:
opendir exploit cve-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Sending a custom TCP request
Creating a window
Creating a file
Сreating synchronization primitives
Reading critical registry keys
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit greyware packed shell32.dll shellcode stealer
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-05-08 00:12:07 UTC
File Type:
Document
Extracted files:
4
AV detection:
12 of 23 (52.17%)
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 behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
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 468a9f796f26c5cdf195a0fecce2c5cb96cc9dde10ee9ed542af0209eade1411

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-05-08 00:11:34 UTC

url : hxxp://198.46.178.145/i/j/%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.doc