MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f. 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: 6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f
SHA3-384 hash: 372571a2ea1e28bc3e104c753a16289fd2cdd2c13593bf7f98c1ae6936f1bd137701fd54075d5ed28c672b8061bcc009
SHA1 hash: 72c4c96f97fa9d21ba422d1972ca0ef853d8608d
MD5 hash: 94c2c8723c5275bbc57c76fca34e94f0
humanhash: lemon-magazine-berlin-happy
File name:94c2c8723c5275bbc57c76fca34e94f0.rtf
Download: download sample
File size:12'333 bytes
First seen:2021-04-20 18:49:55 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:ad8TC5V6PtFTBv9bKyY6Zoj9UIiqoQCDTMQwrBJmJa6eE4XYEiQz38A6KB7RPs:ad54rt9+vgqorEfmotzP71s
TLSH A2428E61EC41F15ADB8B818A8A47796D0A3EF47A61E187C532CCF37A3B4B586CB7540C
Reporter abuse_ch
Tags:CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://lidamtour.com/masivo/file/kmshost/km.dot
Verdict:
Malicious activity
Analysis date:
2021-04-20 14:34:18 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/f3531ae6-06c7-4e95-8e91-09c3d98f9dcd

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

MiscreantPunch.RTF.2017-0199.Obfus.170830.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f/results/dashboard
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-04-20 12:14:54 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/210420-9c6pac26z6/
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
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Exploit
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f

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 6cdd13858c80732f5bcae5a998b2cc4402ee5c549b7042594b0edec313671a6f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1144748/
  
Delivery method
Distributed via web download

Comments