MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 989d32416fa41d152d4db47469c9cbc7a35c50c72b0d3b52f5781709227896b3. 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 2 File information Comments 1

SHA256 hash: 989d32416fa41d152d4db47469c9cbc7a35c50c72b0d3b52f5781709227896b3
SHA3-384 hash: 62d22599bc0949e2df3c597126dcd6cf88c6b1a3a879c8668bf517793952b9dd5f127538f37a66636440b10d7ff44d86
SHA1 hash: dc8e8a4988987f7c8b6d628597429ffe9b398056
MD5 hash: d36738689697fff4cd6dd39dcd065aee
humanhash: quebec-aspen-coffee-vermont
File name:d36738689697fff4cd6dd39dcd065aee
Download: download sample
File size:66'563 bytes
First seen:2024-03-19 10:11:22 UTC
Last seen:2024-03-19 11:32:35 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:8ETwKq9+Cpxr5jcCOV09CLKAcY+IFI7qaDoTFT9CSL/ijWZnNQjdrNL0zKGMAo:xTwKq9fZfOV097Y+IFI7qaDsFT9CSL/q
TLSH T18953BE6EE34F0915DF95A67B035B4B4A0AFCB33DB28100A1356C973437ADD2E4A6297C
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
2
# of downloads :
113
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
989d32416fa41d152d4db47469c9cbc7a35c50c72b0d3b52f5781709227896b3.rtf
Verdict:
Suspicious activity
Analysis date:
2024-03-19 10:16:58 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
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
Using the Windows Management Instrumentation requests
Creating a window
Sending an HTTP GET request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Changing an executable file
DNS request
Connection attempt
Sending a custom TCP request
Launching a service
Moving a file to the Program Files subdirectory
Replacing files
Connection attempt by exploiting the app vulnerability
Creating a process from a recently created file
Infecting executable files
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Document exploit detected (process start blacklist hit)
Installs new ROOT certificates
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
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Equation Editor Network Connection
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: Script Initiated Connection to Non-Local Network
Sigma detected: Suspicious Microsoft Office Child Process
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected VBS Downloader Generic
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-03-19 09:02:33 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 24 (62.50%)
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 989d32416fa41d152d4db47469c9cbc7a35c50c72b0d3b52f5781709227896b3

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-03-19 10:11:23 UTC

url : hxxp://207.32.219.82/4141/mah/macbookproloverkissedeachotherstohanldhowamaclovercanbeatanothermacloverwithallmyheartshekissedtheperson____withentireprocesskissoflove.doc