MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023. 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: 16


Intelligence 16 IOCs 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023
SHA3-384 hash: d93611f6b9155d8c179463ed2bc780081c2f7b9b488f840dd2e21a78106e48a30e47042ae60d6e8a542123643382c31b
SHA1 hash: 946ea76180d53a3049ea7a3b07403ee628b9fac2
MD5 hash: ebb76f0ad42d838df23137b3321d79ff
humanhash: indigo-jig-october-high
File name:Mille raisons de venir.scr.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:2'273'792 bytes
First seen:2024-07-20 14:10:10 UTC
Last seen:2024-07-20 14:29:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'081 x AgentTesla, 20'056 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 49152:G+78xSwy+c0Hq9rm2ZHosBnsKXdniYM48E/pa/ZOovp/:Gs8xAJ0K95HBdlM1yQxOoB
Threatray 1'040 similar samples on MalwareBazaar
TLSH T123B5F128CE948E01E03FDEFD8CB345568FBD8BD1C154E3C8998695E8D0EB396BA44653
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon e4f4ccccccd4e8f0 (9 x NanoCore, 2 x RemcosRAT, 1 x zgRAT)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
78.159.112.21:5230

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
78.159.112.21:5230 https://threatfox.abuse.ch/ioc/1302542/

Intelligence

File Origin
# of uploads :
2
# of downloads :
444
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023.exe
Verdict:
Malicious activity
Analysis date:
2024-07-21 08:40:23 UTC
Tags:
evasion vnc remote arrowrat nanocore rat
Link:
https://app.any.run/tasks/8e1dfff4-743a-4d26-b525-bbbefa7a4638

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.5794.19314.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669bc577b302ab76f4481669
Tags:
Discovery Execution Generic Network Other Stealth Trojan Nanocore
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a window
Restart of the analyzed sample
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Searching for the window
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cerberus lolbin masquerade nanocore packed remote stealer
Link:
https://www.filescan.io/uploads/669bc58bf1068d66afbf95fe/reports/618aaa5d-002f-4fb3-ac64-417c5855d588/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c2ac2fc9-db7d-4fad-8332-4f3acbe34cdf
Result
Threat name:
Nanocore, HVNC
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1477235
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Explorer NOUACCHECK Flag
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: NanoCore
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected HVNC
Yara detected Nanocore RAT
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1477235 Sample: Mille raisons de venir.scr.exe Startdate: 20/07/2024 Architecture: WINDOWS Score: 100 53 multipleonlinegahiddenzonline.organiccrap.com 2->53 55 checkip.dyndns.org 2->55 57 2 other IPs or domains 2->57 65 Snort IDS alert for network traffic 2->65 67 Multi AV Scanner detection for domain / URL 2->67 69 Found malware configuration 2->69 71 18 other signatures 2->71 10 Mille raisons de venir.scr.exe 1 8 2->10         started        14 Notepads.exe 2->14         started        16 Notepads.exe 2->16         started        18 explorer.exe 5 4 2->18         started        signatures3 process4 file5 47 C:\Users\user\AppData\Roaming47otepads.exe, PE32 10->47 dropped 49 START UP56571 HVNC...organiccrap.com.exe, PE32 10->49 dropped 51 C:\Users\...51otepads.exe:Zone.Identifier, ASCII 10->51 dropped 85 Detected Nanocore Rat 10->85 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->87 89 Injects a PE file into a foreign processes 10->89 20 START UP56571 HVNCmultipleonlinegahiddenzonline.organiccrap.com.exe 3 10->20         started        23 Mille raisons de venir.scr.exe 9 10->23         started        91 Multi AV Scanner detection for dropped file 14->91 93 Machine Learning detection for dropped file 14->93 27 Notepads.exe 14->27         started        29 Notepads.exe 16->29         started        signatures6 process7 dnsIp8 73 Writes to foreign memory regions 20->73 75 Allocates memory in foreign processes 20->75 77 Injects a PE file into a foreign processes 20->77 31 cvtres.exe 15 5 20->31         started        34 explorer.exe 20->34         started        59 e-businessloader.mywire.org 78.159.112.21, 5230, 56571, 56674 LEASEWEB-DE-FRA-10DE Germany 23->59 45 C:\Users\user\AppData\Roaming\...\run.dat, data 23->45 dropped 79 Detected Nanocore Rat 23->79 81 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->81 36 WerFault.exe 23->36         started        file9 signatures10 process11 dnsIp12 61 checkip.dyndns.com 132.226.247.73, 56677, 80 UTMEMUS United States 31->61 63 google.com 216.58.206.78 GOOGLEUS United States 31->63 38 cmd.exe 31->38         started        process13 signatures14 83 Uses schtasks.exe or at.exe to add and modify task schedules 38->83 41 conhost.exe 38->41         started        43 schtasks.exe 38->43         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2024-07-20 14:11:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ph37vbwy3oqtjeqi7kgdmzr55oowzencxzklipjpy234w6adsarq._file
Verdict:
malicious
Similar samples:
1354429a271a349329dbbfda561fe0eb43ae4005f5d3c4abdec9aef08cf23baf
NanoCore
5abab20afb89f2bf1dd4444646abf2e08dfdf7acadde7139d42ab33b97cd6537
NanoCore
7dd0851ba2e974c80a5ee2b23450f0edd52849fdce56afad298859cd104994d3
NanoCore
91f044ce199fdb8cbeceb7258e35198edb44c181a75e289293905bdc627866de
NanoCore
b91491c18bf3a3cb8c9707c01c113d658c27130b428adb72969b62e540a019dc
NanoCore
ee4afee1bd5719392b3394e7b3560dff17795f4f6544bf02ddf66bcf384c7902
NanoCore
+ 1'030 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/240720-rg9gds1amp/
Behaviour
Checks SCSI registry key(s)
Modifies Internet Explorer settings
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Enumerates connected drives
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Boot or Logon Autostart Execution: Active Setup
NanoCore
Malware Config
C2 Extraction:
e-businessloader.mywire.org:5230
127.0.0.1:5230
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/7422aa8e-20ab-4b9c-a862-336a8060a7b8
Unpacked files
SH256 hash:
79f7fa86d8dba1349208fa8c36663deb9d6c91a2be54b43d2fc6b7cb78039023
MD5 hash:
ebb76f0ad42d838df23137b3321d79ff
SHA1 hash:
946ea76180d53a3049ea7a3b07403ee628b9fac2
Link:
https://www.unpac.me/results/88244a68-d554-4c37-a5ac-07e890febdce/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/79f7fa86d8db/report/overview.html
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:Cerberus
Create hunting rule
Author:Jean-Philippe Teissier / @Jipe_
Description:Cerberus
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments