MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 32d1ed4d0d689e2f7a6a897c95b1dfdc9c0f4dc6db406ae029a6e24011dba053. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 32d1ed4d0d689e2f7a6a897c95b1dfdc9c0f4dc6db406ae029a6e24011dba053
SHA3-384 hash: 179cce5d7d42277a83f34776484ac59c7dfd77dfd92d8f4ea33ee44b5cdb6a2dfb8e31445dfd9a991848ff7c48a50143
SHA1 hash: f9231071445c3c835f3834c029924f8a70113983
MD5 hash: 264ecec4fae4c5095f470746725ad860
humanhash: nebraska-seven-arkansas-berlin
File name:14 nights highlight tour.doc
Download: download sample
Signature NanoCore
File size:96'721 bytes
First seen:2021-02-08 14:25:57 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:M/Q0QZ6/VOuq6g2dD2/1O+lCBcovP0RaDgVwg3TVFpI8cItiY9f0tIrvBRV2MvBK:E9QZZ36fw1O+lXovPOcgVwE3a3IgY9En
TLSH CD93AFFC76146DE7262F5667C989ACEC13A62B73D9C7A4C9606CB7D30393326EE01805
Reporter abuse_ch
Tags:CVE-2017-11882 doc NanoCore


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: gmail.com
Sending IP: 46.183.220.35
From: Matt <mtdeads@gmail.com>
Subject: Our Trip
Attachment: 14 nights highlight tour.doc

Intelligence


File Origin
# of uploads :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
14 nights highlight tour.doc
Verdict:
Malicious activity
Analysis date:
2021-02-08 14:37:42 UTC
Tags:
opendir exploit CVE-2017-11882 loader rat nanocore

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a window
DNS request
Creating a file in the %AppData% directory
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to hide a thread from the debugger
Detected Nanocore Rat
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 349957 Sample: 14 nights highlight tour.doc Startdate: 08/02/2021 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for URL or domain 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 6 other signatures 2->38 8 EQNEDT32.EXE 1 2->8         started        13 WINWORD.EXE 291 25 2->13         started        process3 dnsIp4 30 mtspsmjeli.sch.id 103.150.60.242, 49165, 80 PC24NET-AS-IDPTPC24TelekomunikasiIndonesiaID unknown 8->30 28 C:\Users\user\AppData\Roaming\HDR.exe, PE32 8->28 dropped 40 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->40 15 HDR.exe 1 8->15         started        file5 signatures6 process7 signatures8 42 Multi AV Scanner detection for dropped file 15->42 44 Machine Learning detection for dropped file 15->44 46 Hides threads from debuggers 15->46 48 Contains functionality to hide a thread from the debugger 15->48 18 cmd.exe 15->18         started        20 HDR.exe 15->20         started        22 HDR.exe 15->22         started        24 31 other processes 15->24 process9 process10 26 timeout.exe 18->26         started       
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2021-02-08 14:26:09 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence ransomware spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
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 FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Blocklisted process makes network request
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
wazzy113.ddns.net:2420
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_EXPLOIT_CVE_2017_11882_4
Author:ditekSHen
Description:detects RTF variant documents potentially exploiting CVE-2018-0802 or CVE-2017-11882
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.

File information


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

Malspam

NanoCore

Word file doc 32d1ed4d0d689e2f7a6a897c95b1dfdc9c0f4dc6db406ae029a6e24011dba053

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments