MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00. 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: 4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00
SHA3-384 hash: 14944201d45eba47ce120c2a8ee0cb3979b71a1b055281a8fea86cddeba9dba79c96fee9893d097ff08e08376a7f66f6
SHA1 hash: 2eff1c3b1bc26660270819a5ccfcf66ccbf66f45
MD5 hash: 2e2eb02afcf46866145b8372ddc953bf
humanhash: mountain-tennis-summer-alabama
File name:SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.29454.17783
Download: download sample
File size:75'344 bytes
First seen:2024-03-13 16:27:04 UTC
Last seen:2024-03-13 17:21:52 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 1536:nl1Syuz/uAJh4T5eyCD//rct6f231a9SREwVrTJbupUudtTdEYX:bSyauAJhhD//o6CU9SREwVrTJipUudtZ
TLSH T16D73492EE70F0965DF55E67B434A4B4A0AFCB33D728500A139BC977437AD81E4A6287C
Reporter SecuriteInfoCom
Tags:CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
154
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00.rtf
Verdict:
Suspicious activity
Analysis date:
2024-03-13 16:29:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0fe25df7-f63a-4576-a816-c4d0bd7febf1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Exploit.Rtf.Obfuscated.32.29454.17783.UNOFFICIAL
Create hunting rule

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

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

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
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Changing an executable file
Launching a service
Infecting executable files
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/65f1d416204403ca94d40c5c/reports/f919458a-24a7-4dd4-a974-2347b023da65/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1408487
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Document exploit detected (process start blacklist hit)
Malicious sample detected (through community Yara rule)
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-03-13 16:28:05 UTC
File Type:
Document
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jr6gtakxswzt3yy3vcrm7nnq4rc7e57vuflfiqefmk3tlhnflqaa._file
Result
Malware family:
n/a
Score:
  4/10
Tags:
n/a
Link:
https://tria.ge/reports/240313-tym1tshf2s/
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
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/4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00

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

Rich Text Format (RTF) rtf 4c7c69815795b33de31ba8a2cfb5b0e445f277f5a15654408562b7359da55c00

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2782636/
  
Delivery method
Distributed via web download

Comments