MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938. 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: | 688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938 |
|---|---|
| SHA3-384 hash: | 26a1ce89b6d84087578b8acec44ebb0a5f09964bb6765ec3fc54d9b3385e1822d2c863b0d1793e6afcc42140aeab2aed |
| SHA1 hash: | 19d6816b326e076e33ba21df51c328685f59bd75 |
| MD5 hash: | 737355ad732da62afc3eca04aaefbc25 |
| humanhash: | charlie-bluebird-earth-georgia |
| File name: | 737355ad732da62afc3eca04aaefbc25 |
| Download: | download sample |
| File size: | 499'224 bytes |
| First seen: | 2024-06-28 06:46:12 UTC |
| Last seen: | 2024-06-28 07:26:19 UTC |
| File type: |  rtf |
| MIME type: | text/rtf |
| ssdeep | 6144:mwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwAYwARVM8:DVMev |
| TLSH | T1D5B4F52DD34B02598F620277AB571E5142BDBB7EF38552A1302C537933EAC3DA1252BE |
| Reporter |  zbetcheckin |
| Tags: | CVE-2017-11882 rtf |
Intelligence
File Origin
# of uploads :
2
# of downloads :
130
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7f5525e9f137916591a4648e61ef5b87399b0fa2821e580c848b3b41dbd37bd2.doc
Verdict:
Malicious activity
Analysis date:
2024-06-25 06:48:55 UTC
Tags:
cve-2017-0199 exploit
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
81.4%
Link:
Tags:
Network Office Static Stealth
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:
88 / 100
Signature
Antivirus detection for URL or domain
Document exploit detected (process start blacklist hit)
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 04:02:20 UTC
File Type:
Document
Extracted files:
3
AV detection:
20 of 38 (52.63%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
8/10
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
Blocklisted process makes network request
Please note that we are no longer able to provide a coverage score for Virus Total.
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 688ade2a84dc563da3868c853dc6df1150d07ba094f0e6ee0eff9cb6b3faf938
(this sample)
Delivery method
Distributed via web download
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