MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7d07c612f42b933792cc4e6122096bd8c695cd6ee20394de04cb8d2d531faf49. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7d07c612f42b933792cc4e6122096bd8c695cd6ee20394de04cb8d2d531faf49
SHA3-384 hash: 416faa94c2d52f895cbc3656c7190bf58f560716cfc6f78156fbe8bc83d014d53e5be6524b5e521294541f562aeaa215
SHA1 hash: f15380f170bc4140c7c234adb393756fb4c8f682
MD5 hash: d065ed24f5472f74250c52fa58558f5b
humanhash: stream-utah-hawaii-sierra
File name:P.O List.doc
Download: download sample
Signature NanoCore
Create hunting rule
File size:76'837 bytes
First seen:2021-06-30 17:34:47 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:fOgVzn6eypqCucR2/dPgsdGL1rLnuo0b3X1vVv984:RVzn6eypqCucR2/dPgsdGL1rLnuo0b3f
TLSH 3973207DF1470A988F8697B8170B2F81154CF51CF3D994B236ACEB3866C5D7A862293C
Reporter abuse_ch
Tags:CVE-2017-11882 doc NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
P.O List.doc
Verdict:
No threats detected
Analysis date:
2021-06-30 17:38:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6c010c2d-73e6-408f-8442-7ef660b83b0f

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
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:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/7d07c612f42b933792cc4e6122096bd8c695cd6ee20394de04cb8d2d531faf49/results/dashboard
Result
Verdict:
MALICIOUS
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810108
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Contains functionality to inject code into remote processes
Creates an autostart registry key pointing to binary in C:\Windows
Detected Nanocore Rat
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Performs DNS queries to domains with low reputation
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Sigma detected: NanoCore
Sigma detected: Powershell adding suspicious path to exclusion list
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to evade analysis by execution special instruction which cause usermode exception
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 442519 Sample: P.O List.doc Startdate: 30/06/2021 Architecture: WINDOWS Score: 100 81 kakosidobrosam.gq 2->81 83 172.67.180.37, 443, 49172 CLOUDFLARENETUS United States 2->83 101 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->101 103 Multi AV Scanner detection for domain / URL 2->103 105 Found malware configuration 2->105 107 19 other signatures 2->107 12 EQNEDT32.EXE 11 2->12         started        17 tj85xg1cs.exe 2->17         started        19 svchost.exe 2->19         started        21 WINWORD.EXE 291 22 2->21         started        signatures3 process4 dnsIp5 87 lontorz.xyz 185.239.243.112, 49167, 80 CLOUDIE-AS-APCloudieLimitedHK Moldova Republic of 12->87 69 C:\Users\user\AppData\...\ujunkwere321.exe, PE32 12->69 dropped 71 C:\Users\user\AppData\...\ujunkwerex[1].exe, PE32 12->71 dropped 133 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 12->133 23 ujunkwere321.exe 12 1 12->23         started        89 kakosidobrosam.gq 17->89 135 Injects a PE file into a foreign processes 17->135 27 tj85xg1cs.exe 17->27         started        29 WerFault.exe 19->29         started        file6 signatures7 process8 dnsIp9 85 kakosidobrosam.gq 104.21.67.197, 443, 49168, 49169 CLOUDFLARENETUS United States 23->85 115 Drops PE files to the startup folder 23->115 117 Contains functionality to inject code into remote processes 23->117 119 Adds a directory exclusion to Windows Defender 23->119 127 2 other signatures 23->127 31 ujunkwere321.exe 5 4 23->31         started        121 Hides threads from debuggers 27->121 123 Injects a PE file into a foreign processes 27->123 35 powershell.exe 27->35         started        37 powershell.exe 27->37         started        39 powershell.exe 27->39         started        41 powershell.exe 27->41         started        125 Tries to evade analysis by execution special instruction which cause usermode exception 29->125 signatures10 process11 file12 73 C:\Windows\Resources\Themes\...\svchost.exe, PE32 31->73 dropped 75 C:\Users\user\AppData\...\tj85xg1cs.exe, PE32 31->75 dropped 93 Creates an autostart registry key pointing to binary in C:\Windows 31->93 95 Adds a directory exclusion to Windows Defender 31->95 97 Hides threads from debuggers 31->97 99 Injects a PE file into a foreign processes 31->99 43 tj85xg1cs.exe 31->43         started        46 ujunkwere321.exe 31->46         started        50 cmd.exe 31->50         started        52 7 other processes 31->52 signatures13 process14 dnsIp15 129 Injects a PE file into a foreign processes 43->129 54 tj85xg1cs.exe 43->54         started        91 79.134.225.87, 1985, 49170, 49171 FINK-TELECOM-SERVICESCH Switzerland 46->91 77 C:\Users\user\AppData\Roaming\...\run.dat, data 46->77 dropped 79 C:\Program Files (x86)\...\smtpsvc.exe, PE32 46->79 dropped 131 Hides that the sample has been downloaded from the Internet (zone.identifier) 46->131 57 timeout.exe 50->57         started        file16 signatures17 process18 signatures19 109 Adds a directory exclusion to Windows Defender 54->109 111 Hides threads from debuggers 54->111 113 Injects a PE file into a foreign processes 54->113 59 cmd.exe 54->59         started        61 powershell.exe 54->61         started        63 powershell.exe 54->63         started        65 3 other processes 54->65 process20 process21 67 timeout.exe 59->67         started       
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7d07c612f42b933792cc4e6122096bd8c695cd6ee20394de04cb8d2d531faf49/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2021-06-30 17:35:10 UTC
AV detection:
17 of 46 (36.96%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pud4mexufojtpewmjzqsecll3ddjltlo4ibzjxqezogs2uy7v5eq._file
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210630-hkdjyn2xbj/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
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
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Drops startup file
Loads dropped DLL
Windows security modification
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
NanoCore
Windows security bypass
Malware Config
C2 Extraction:
79.134.225.87:1985
127.0.0.1:1985
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/7d07c612f42b933792cc4e6122096bd8c695cd6ee20394de04cb8d2d531faf49

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_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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

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