MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9. 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: c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9
SHA3-384 hash: fc6fbf392f2cc5f6ac3069721c999a799f9be0c0ebd66c0d15c8deb6e460ecd6d8bcb009b8543330012c22bc4ab52dd1
SHA1 hash: 2d9cf4029a3672a9f39c6d1641753f12f0670167
MD5 hash: 567960bbb107c52c109910d25005ebad
humanhash: delta-ceiling-jersey-hawaii
File name:RequirementsXSpecXSheet.rtf
Download: download sample
File size:185'260 bytes
First seen:2026-07-22 13:47:45 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/plain
ssdeep 384:swSquHHGW3TV0xljUqwKFSfGzsqXRPLoDfRUICA4PxGdOgKITK:sdquHmeTQxUqjQqXRPLouJG0uTK
TLSH T12F04349CE74E01A4CF95A37B531A0A4985FCB73EB75101B174AC533033ADD2D49A69BC
Magika txt
Reporter lowmal3
Tags:CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
MSO
Details
Link:
https://research.acce.ciphertechsolutions.com/results/0ea1871d-77b7-42ae-9e0e-3f015d30951a/
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27333.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-1.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26244.RtfHeur.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.RTF.EvilRTF.CVE-2017-0199-Obfus.UNOFFICIAL
Create hunting rule

YARA.DITEKSHEN_INDICATOR_RTF_Malver_Objects.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Connection attempt by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
corrupted
Link:
https://www.filescan.io/uploads/6a60d4fbb63d2eaee2d911e1/reports/5bb1b135-92ea-474a-a247-72eb5b078755/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9
Verdict:
Malicious
File Type:
rtf
First seen:
2026-07-22T04:22:00Z UTC
Last seen:
2026-07-23T07:08:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9/results?tab=lookup
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1946637
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:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2026-07-22 07:32:34 UTC
File Type:
Document
Extracted files:
3
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y5m3jzs4slc7kgja4dhvc7spkjzwutdi3ejthlnnjuvffxgkpsuq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260722-rxqdfsfg69/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Malware family:
SnakeKeylogger
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c759b4e65c92/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.96
Link:
https://yomi.yoroi.company/submissions/c759b4e65c92c5f51920e0cf517e4f52736a4c68d91333adad4d2a52dcca7ca9

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
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
Rule name:SUSP_RTF_Header_Anomaly_RID2F7F
Create hunting rule
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.

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