MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 579a4b676b32f4b2af28babb7d0c7c3f04db59d5437341fa918cc38236d14c6b. 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
| SHA256 hash: | 579a4b676b32f4b2af28babb7d0c7c3f04db59d5437341fa918cc38236d14c6b |
|---|---|
| SHA3-384 hash: | c6ca9bf671de7f284798b906e8330dee88135797cf616ee66c25f1f445b3017293525664dc094bb0dda1d82aa820e25d |
| SHA1 hash: | c0ed3dabc720300970dfe485c49d00499e86c915 |
| MD5 hash: | 59b0a52923657719a25491e676229659 |
| humanhash: | zebra-purple-table-nineteen |
| File name: | 59b0a52923657719a25491e676229659 |
| Download: | download sample |
| File size: | 507'377 bytes |
| First seen: | 2024-06-28 13:13:48 UTC |
| Last seen: | 2024-06-28 13:22:43 UTC |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 6144:4wAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAyJT:m |
| TLSH | T170B4F42DD34B02598F620377AB571E5142BDBA7EF38552B1302C537933EAC39A1252BE |
| Reporter |  zbetcheckin |
| Tags: | CVE-2017-11882 rtf |
Intelligence
File Origin
# of uploads :
2
# of downloads :
118
Origin country :
FRVendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Link:
Tags:
Exploit Generic Office Static Obfuscated
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
Connection attempt to an infection source by exploiting the app vulnerability
Сreating synchronization primitives
Launching a service
Query of malicious DNS domain
Sending a TCP request to an infection source by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Behaviour
BlacklistAPI detected
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Verdict:
Malicious
Labled as:
CVE-2018-0798
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
92 / 100
Signature
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
Installs new ROOT certificates
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: Equation Editor Network Connection
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Detection:
cve-2017-11882-shellcode
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2024-06-25 04:02:19 UTC
File Type:
Document
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
4/10
Tags:
n/a
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
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 |
|---|---|
| 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 |
|---|---|
| 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
rtf 579a4b676b32f4b2af28babb7d0c7c3f04db59d5437341fa918cc38236d14c6b
(this sample)
Delivery method
Distributed via web download
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