MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8035d90d4e3f118e230ddcbce0e0ef358531ea04e38c77e20630c37c24b3613. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: b8035d90d4e3f118e230ddcbce0e0ef358531ea04e38c77e20630c37c24b3613
SHA3-384 hash: 9b19494535f5668f549b4cff3152e86788bf7ee2ba42e51ea9d1c0e1f77328e628f55246d48522b70ca4150d4da7abbb
SHA1 hash: 1445028f2e1aca63b046a28c34929454f288d39f
MD5 hash: 127b6c40b7add576877b5ec5a5897813
humanhash: oscar-wolfram-lion-steak
File name:RFQ.rtf
Download: download sample
File size:225'655 bytes
First seen:2026-06-02 07:00:02 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/plain
ssdeep 768:1daRhPcVS71dtkN4GacV438cTAikgZ5Mg:1daR9zPtkA84AeF
TLSH T15924238CC74F14A5DF58A33A13674E0A42BCB62EF31141B634AC57B133E9D3A59A64BC
Magika json
Reporter lowmal3
Tags:CVE-2017-11882 rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
15
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
MSO
extracted component(s) such as package(s) and OLE files
Verdict:
Malicious
Score:
92.5%
Tags:
shell micro sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
DNS request
Creating a window
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Creating a process with a hidden window
Possible injection to a system process
Forced shutdown of a system process
Launching a tool to kill processes
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
corrupted
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Signature
Antivirus / Scanner detection for submitted sample
Initial sample is an obfuscated RTF file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2026-06-01 14:32:00 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
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: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
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Author:Florian Roth
Description:Detects malformed RTF header often used to trick mechanisms that check for a full RTF header
Reference:https://twitter.com/ItsReallyNick/status/975705759618158593

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

Rich Text Format (RTF) rtf b8035d90d4e3f118e230ddcbce0e0ef358531ea04e38c77e20630c37c24b3613

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments