MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e. 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


NanoCore


Vendor detections: 9


Intelligence 9 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e
SHA3-384 hash: 7341ee732966603902ebe9f35f6fc8d01355b5dc44e308b4837be45d056676474cd41ad342c183311ff89c9e9b094ec9
SHA1 hash: 84f35f08fb77e75a32314c6778a9da5afa8379ce
MD5 hash: 8bf656a930d62170864950522b5cd0c0
humanhash: william-thirteen-lactose-speaker
File name:8bf656a930d62170864950522b5cd0c0.rtf
Download: download sample
Signature NanoCore
Create hunting rule
File size:8'895 bytes
First seen:2021-04-20 07:14:56 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:lJX5djNad39YT8NZB2Bc6OGE1oMXAzC+U6ESRQe2h5Li:lJbjId3KTY2Bc6OSMXp6ETeELi
TLSH 8A029E98DD88509ECF6CB155529DA6DC0837783C81F82A2EB5ED77EA5FCB1051E3C848
Reporter abuse_ch
Tags:NanoCore rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://doctor.hopto.org/torotoro/nd.dot
Verdict:
Malicious activity
Analysis date:
2021-04-20 06:37:39 UTC
Tags:
exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/431fbb44-3b90-4c38-96a0-3e9f7ed79bab

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.27301.RtfHeur.BadVer.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.FakeRTF-2.UNOFFICIAL
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file
Creating a process with a hidden window
Sending an HTTP GET request
Launching a file downloaded from the Internet
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e/results/dashboard
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/688442
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e/
Gathering data
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210420-7ed7193qte/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
79.134.225.50:83
nassiru1166.webhop.me:83
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/9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:INDICATOR_RTF_EXPLOIT_CVE_2017_11882_4
Create hunting rule
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

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

Web download

NanoCore

Rich Text Format (RTF) rtf 9af05c1cb783bb50a2f280fd22bdc4a8b5160488afc7093a383e6e60cac4d90e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1115187/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1143870/

Comments