MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66da09f6742cf21d468ca0e13a24015d0eb08c4e8cc05678ff70bc97166ed279. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66da09f6742cf21d468ca0e13a24015d0eb08c4e8cc05678ff70bc97166ed279
SHA3-384 hash: 906fefffab2dfb42b22353adcf3ff5bf929c0c47ad57ed6fc26b6062df8bacfcddd39293a000bcff49d9f9d19e04e7f2
SHA1 hash: b7a86a13796bc7055ba43e88c31aaea9f3c5211a
MD5 hash: deb5aa8655bc71b6c4e23b82fd44f067
humanhash: white-sixteen-california-lemon
File name:deb5aa8655bc71b6c4e23b82fd44f067.rtf
Download: download sample
File size:8'294 bytes
First seen:2021-04-13 05:41:30 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:+nQ7LIJufUZXSIIXKrw34XrXN2TGJsRnH5Q/b2a5su:AQ7swflxy3zNOjRn+/b2KX
TLSH 4B024BF0CC40A79DCB9AD196881AB7ED052E797C71D35E863C6CA965BF5E6A90331040
Reporter abuse_ch
Tags:CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
125
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
deb5aa8655bc71b6c4e23b82fd44f067.rtf
Verdict:
No threats detected
Analysis date:
2021-04-13 05:44:34 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6278c296-a7ca-410c-b8c8-c649c4a918cb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
Launching the default Windows debugger (dwwin.exe)
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/66da09f6742cf21d468ca0e13a24015d0eb08c4e8cc05678ff70bc97166ed279/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/673809
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66da09f6742cf21d468ca0e13a24015d0eb08c4e8cc05678ff70bc97166ed279/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-04-13 01:06:26 UTC
AV detection:
19 of 47 (40.43%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/210413-kr7jb89nsx/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
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
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Bloodhound
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/66da09f6742cf21d468ca0e13a24015d0eb08c4e8cc05678ff70bc97166ed279

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

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 66da09f6742cf21d468ca0e13a24015d0eb08c4e8cc05678ff70bc97166ed279

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1107973/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1107983/

Comments