MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203
SHA3-384 hash: ff8ea41b327c7c97735b6676242bfdd5d82e5aaca42b600221755a2e39c4a0814bcdedbcde55309c6fe2ee7dafcfd1a2
SHA1 hash: 2bf19ffb81bbfe9d1649a794ad66400c260022fe
MD5 hash: 2d0ed0dc104039188f7e19a7eca8ea99
humanhash: winner-montana-wolfram-berlin
File name:NEW ORDER QUANTITY.doc
Download: download sample
Signature NanoCore
Create hunting rule
File size:128'544 bytes
First seen:2024-02-20 07:03:52 UTC
Last seen:2024-02-20 08:25:52 UTC
File type:Word file doc
MIME type:text/rtf
ssdeep 768:7wAbZSibMX9gRWjtwAbZSibMX9gRWjtwAbZSibMX9gRWjmanABowf2ZjwEGaFLOt:7wAlRkwAlRkwAlRFanxntGaFLOt
TLSH T164C3D12DD34B02698F520376AB1B1E5142BDBB7EF38552B1346C437933EAC39A1252BD
Reporter abuse_ch
Tags:CVE-2017-11882 doc NanoCore

Intelligence

File Origin
# of uploads :
2
# of downloads :
357
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29030.RtfHeur.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

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
DNS request
Creating a file in the %AppData% directory
Сreating synchronization primitives
Changing an executable file
Launching a service
Connection attempt by exploiting the app vulnerability
Launching a file downloaded from the Internet
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/65d44ee4c5e1a083fbf29ddc/reports/efb7ff19-3717-4c72-b775-fa5960eda90e/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=4212e253-8bde-4386-ac3a-2e236198fecc
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanocore, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395028
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs new ROOT certificates
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office equation editor drops PE 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
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: NanoCore
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1395028 Sample: NEW ORDER QUANTITY.doc Startdate: 20/02/2024 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic 2->73 75 Multi AV Scanner detection for domain / URL 2->75 77 Found malware configuration 2->77 79 24 other signatures 2->79 9 WINWORD.EXE 336 13 2->9         started        11 taskeng.exe 1 2->11         started        13 smtpsvc.exe 2->13         started        process3 signatures4 16 EQNEDT32.EXE 11 9->16         started        21 EQNEDT32.EXE 9->21         started        23 big87509.exe 11->23         started        25 smtpsvc.exe 11->25         started        91 Adds a directory exclusion to Windows Defender 13->91 93 Injects a PE file into a foreign processes 13->93 27 powershell.exe 13->27         started        29 smtpsvc.exe 13->29         started        process5 dnsIp6 67 merckllc.top 104.21.75.7, 443, 49160 CLOUDFLARENETUS United States 16->67 57 C:\Users\user\AppData\Roaming\big87509.exe, PE32 16->57 dropped 59 C:\Users\user\AppData\Local\...\bigzx[1].exe, PE32 16->59 dropped 81 Installs new ROOT certificates 16->81 83 Office equation editor establishes network connection 16->83 85 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 16->85 31 big87509.exe 1 8 16->31         started        87 Adds a directory exclusion to Windows Defender 23->87 89 Injects a PE file into a foreign processes 23->89 34 big87509.exe 23->34         started        36 powershell.exe 23->36         started        38 big87509.exe 23->38         started        40 smtpsvc.exe 25->40         started        42 powershell.exe 25->42         started        file7 signatures8 process9 signatures10 103 Detected Nanocore Rat 31->103 105 Machine Learning detection for dropped file 31->105 107 Uses schtasks.exe or at.exe to add and modify task schedules 31->107 109 2 other signatures 31->109 44 big87509.exe 1 12 31->44         started        49 powershell.exe 4 31->49         started        51 big87509.exe 31->51         started        process11 dnsIp12 69 tzitziklishop3.ddns.net 44->69 71 tzitziklishop3.ddns.net 103.114.104.158, 1663, 49162, 49163 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 44->71 61 C:\Program Files (x86)\...\smtpsvc.exe, PE32 44->61 dropped 63 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 44->63 dropped 65 C:\Users\user\AppData\Local\...\tmpAEE5.tmp, XML 44->65 dropped 95 Detected Nanocore Rat 44->95 97 Hides that the sample has been downloaded from the Internet (zone.identifier) 44->97 53 schtasks.exe 44->53         started        55 schtasks.exe 44->55         started        99 Installs new ROOT certificates 49->99 file13 101 Uses dynamic DNS services 69->101 signatures14 process15
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2024-02-20 04:04:05 UTC
File Type:
Document
Extracted files:
3
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zqhwncla4whncsjixhwmm5gi3trqjvx7kwdbr7anpn7lp4rioibq._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240220-hvx6vadg62/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
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 Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
NanoCore
Malware Config
C2 Extraction:
tzitziklishop3.ddns.net:1663
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cc0f668960e5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cc0f668960e58ed14928b9ecc674c8dce304d6ff558618fc0d7b7eb7f2287203

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
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: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

File information

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

Comments