MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 534db2054ace6f669e3c8084cba85ed1e3a589c299cee4527c8e9a84939e4bbc. 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 3 File information Comments 1

SHA256 hash: 534db2054ace6f669e3c8084cba85ed1e3a589c299cee4527c8e9a84939e4bbc
SHA3-384 hash: 35f50e17724773ac3dd123782983ee4954dba37395e56afff59e914a1ff47ff7a2eb27298ecf4464ab80aa01a1011d3f
SHA1 hash: 6b7a4a562b26cf5429cd43264659ef98756cdda8
MD5 hash: af079d569c6115b1f3998c7cce495168
humanhash: ceiling-florida-vermont-black
File name:af079d569c6115b1f3998c7cce495168
Download: download sample
File size:45'739 bytes
First seen:2024-06-14 07:47:13 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:axJMBwG5c6SIwgvPbO/GVkdzf2DBtZ5RJGHqhsu8LaP+:axJLGfwgvzO/GUuDBZRJkqhsaW
TLSH T151239E8DE38F41A1CF846637532A8E8901FDB73EB60556B574AC93303BED82E05665BC
Reporter zbetcheckin
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
119
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHL AWB# 7954365 (1).xls
Verdict:
Malicious activity
Analysis date:
2024-06-12 12:46:44 UTC
Tags:
phishing phishing-xls cve-2017-11882 exploit stegocampaign loader

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
Verdict:
Malicious
Score:
96.5%
Tags:
Office Static Stealth Obfsobjdat
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
DNS request
Connection attempt
Sending a custom TCP request
Launching a service
Connection attempt by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Document exploit detected (process start blacklist hit)
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)
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)
Behaviour
Behavior Graph:
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-06-12 10:28:19 UTC
File Type:
Document
Extracted files:
5
AV detection:
16 of 24 (66.67%)
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_EXPLOIT_CVE_2017_11882_4
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
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 534db2054ace6f669e3c8084cba85ed1e3a589c299cee4527c8e9a84939e4bbc

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-06-14 07:47:14 UTC

url : hxxp://216.9.224.18/2999/gcc/licc.doc