MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936
SHA3-384 hash: 703eccb9e6aa9fe3c4c8940699f74e7090eecc8aefeff1c3bbc3a09a64a32cefa891931c81b5ac17a6b8d80c4db47cd6
SHA1 hash: c411e19abe1b1b5117175653b852a76c54093756
MD5 hash: 948ff536acc99d28c981ef991eaad1bf
humanhash: montana-sad-illinois-cat
File name:O0-O.doc
Download: download sample
File size:16'304 bytes
First seen:2023-02-22 17:16:46 UTC
Last seen:2023-02-22 18:38:27 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 384:8utHactqBy/7WGKd0Hi+/t87TiJbrwKDe1hFntKFrzfEEh:8uFactqB6WGrt/twTYbDe1hdtKRQEh
TLSH T19B72C5421B9C69F2A364E0378218850E18BDF67E378316F9F5CE91923BBD60D49B91F1
Reporter Anonymous
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
235
Origin country :
US US
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
Quotation_Sheet_Product_List.docx
Verdict:
Malicious activity
Analysis date:
2023-02-22 16:50:51 UTC
Tags:
exploit cve-2017-11882 cve-2022-30190 rat agenttesla loader
Link:
https://app.any.run/tasks/03899e4b-3bfd-48ed-9bed-629052db0d3e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28881.RtfHeur.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Launching a process
Сreating synchronization primitives
DNS request
Creating a window
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
80%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/63f64e0f42bf85850e42d586/reports/c150414b-58da-45f1-a1cd-3998f2febfa2/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=23afe239-7456-4c2b-86af-1651a42349dd
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1180792
Signature
Antivirus / Scanner detection for submitted sample
Drops PE files to the user root directory
Machine Learning detection for dropped file
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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-02-22 17:17:06 UTC
File Type:
Document
Extracted files:
4
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=msy5regztvqsufmgiwvcuubyqaf4kbxmgrt6z6jjjm7aqo7dte3a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230222-vtpjjaee6y/
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 AdjustPrivilegeToken
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
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/64b1d890d99d/report/overview.html
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/64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936

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

Word file doc 64b1d890d99d612a158645aa2a5038800bc506ec3467ecf9294b3e083be39936

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2548883/
  
Delivery method
Distributed via web download

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