MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9
SHA3-384 hash: fe5e94268e5e2325ce39d82a111a10e700ef605506e1e91cf9d8248bf6611f8fb5de029201f9272235b695d056dc0828
SHA1 hash: f2f535f8d4a22f66c554ac1c18049fa356828ea4
MD5 hash: e19077a3bbf1b8dd9c988c2064504463
humanhash: uniform-lactose-eight-bulldog
File name:xi4HNTgb7wewrDQ.doc
Download: download sample
File size:363'376 bytes
First seen:2024-12-04 13:01:29 UTC
Last seen:Never
File type:Word file doc
MIME type:text/plain
ssdeep 3072:ewAlawAlawAlawAlawAlawAlawAlOv1idKW1syq:ewAYwAYwAYwAYwAYwAYwAo9DWC3
TLSH T101748A2D934B02598F620237AB561E5142FDBB7EF38552A1306C537933EEC3DA1252BE
Magika rtf
Reporter abuse_ch
Tags:CVE-2017-11882 doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
485
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
xi4HNTgb7wewrDQ.doc
Verdict:
No threats detected
Analysis date:
2024-12-04 13:04:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/22a34617-dd58-4a96-9635-993831940fb7

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RTFFakeVersionWithObjUpdateUKSurfMix.20200514.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675053e012e85e185e75aa03
Tags:
virus gates remo
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/675052cf1b2b810869e1ebd0/reports/d7e87b9e-37a1-4d19-927e-bcbba13b96c0/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1568263
Signature
Antivirus / Scanner detection for submitted sample
Document exploit detected (process start blacklist hit)
Initial sample is an obfuscated RTF file
Malicious sample detected (through community Yara rule)
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
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-11-22 14:30:00 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=45q2rx5qfrx6kij52bytx6nfv2kuf6yny4kexasnxgjxsw2v6l4q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/241204-p9r2pswlfz/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
System Location Discovery: System Language Discovery
Drops file in Windows directory
Blocklisted process makes network request
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5b25965a-f308-42e5-bc41-bd1b4e771536
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/e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9

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: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
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Create hunting rule
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Word file doc e761a8dfb02c6fe5213dd0713bf9a5ae9542fb0dc7144b824db993795b55f2f9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3319715/
  
Delivery method
Distributed via web download

Comments