MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2bad850d4fc1355d5cbdef48a773968dfd53bae047865fe20b131bcf854eb833. 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 5 YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2bad850d4fc1355d5cbdef48a773968dfd53bae047865fe20b131bcf854eb833
SHA3-384 hash: 7879ce85ad88cfb53e0615d22be59c0ed535b8bdf6003dc3580dde565106888f1b6597abdabb196f831a9ff35915fa85
SHA1 hash: 35bbd174ee8a9dc8b269b3bcb2ef42f468af6e43
MD5 hash: 4efc94d8768163a6e25a53e7d002e962
humanhash: uranus-michigan-mexico-mirror
File name:2BAD850D4FC1355D5CBDEF48A773968DFD53BAE047865.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:4'907'520 bytes
First seen:2022-10-21 15:45:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:JAB7bQf3s64R9ybzUcwti78OqJ7TPBF3ZlHHgkWJ0P39qXSaDv:u7CzUcwti7TQlF3ZxxWJSUnDv
Threatray 2'336 similar samples on MalwareBazaar
TLSH T14B361242F3D28176E4BE167415B717368EB9AA115331DACB8BD02C499E727F09E3A343
TrID 31.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
18.5% (.EXE) InstallShield setup (43053/19/16)
11.6% (.EXE) UPX compressed Win32 Executable (27066/9/6)
11.4% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
File icon (PE):PE icon
dhash icon 442bd44c69b26408 (1 x NanoCore, 1 x QuasarRAT)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
3.141.210.37:16463

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.141.210.37:16463 https://threatfox.abuse.ch/ioc/915759/
3.141.142.211:16463 https://threatfox.abuse.ch/ioc/915760/
3.132.159.158:16463 https://threatfox.abuse.ch/ioc/915762/
18.189.106.45:16463 https://threatfox.abuse.ch/ioc/915763/
3.140.223.7:16463 https://threatfox.abuse.ch/ioc/915764/

Intelligence

File Origin
# of uploads :
1
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
Create hunting rule
ID:
1
File name:
2BAD850D4FC1355D5CBDEF48A773968DFD53BAE047865.exe
Verdict:
Malicious activity
Analysis date:
2022-10-21 15:49:00 UTC
Tags:
installer trojan nanocore rat
Link:
https://app.any.run/tasks/d1fcdad6-ac46-4915-ba1d-918366b90887

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/322343/
Detection(s):
Win.Trojan.NanoCore-9852758-0
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

Win.Packed.Generic-9777790-0
Create hunting rule

Win.Trojan.Generic-9783914-0
Create hunting rule

Win.Tool.WebBrowserPassView-9831120-0
Create hunting rule

Win.Tool.WebBrowserPassView-9831121-0
Create hunting rule

Win.Tool.WebBrowserPassView-9831122-0
Create hunting rule

Win.Dropper.Nancrat-9869495-0
Create hunting rule

Win.Trojan.NirsoftStealer-9905975-1
Create hunting rule

Win.Dropper.Nanocore-9916514-0
Create hunting rule

Win.Trojan.Generic-9952515-0
Create hunting rule

Win.Trojan.NanoCore-9964982-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.Alfonso.UNOFFICIAL
Create hunting rule

Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Searching for synchronization primitives
DNS request
Sending a custom TCP request
Moving a file to the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Changing a file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the Windows Defender launch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm coinminer dllhost.exe evasive fingerprint nancrat nanocore packed quasar rat razy remcos shell32.dll windows xwizard.exe
Link:
https://www.filescan.io/uploads/6352bebc66721ebd9b2f5f7e/reports/80638d21-4b51-4873-92ba-efc1b5c45b91/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
NanoCoreRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6e3749fc-c833-4c4a-87d6-d707ba9e6aae
Result
Threat name:
Nanocore, Hog Grabber
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1095042
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
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 cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected BrowsingHistoryView browser history reader tool
Yara detected Costura Assembly Loader
Yara detected Hog Grabber
Yara detected Nanocore RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727683 Sample: 2BAD850D4FC1355D5CBDEF48A77... Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 69 6.tcp.ngrok.io 2->69 89 Snort IDS alert for network traffic 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 Antivirus detection for URL or domain 2->93 95 18 other signatures 2->95 10 2BAD850D4FC1355D5CBDEF48A773968DFD53BAE047865.exe 6 2->10         started        13 Microsoft Update Manager7399207.exe 2->13         started        15 dhcpmon.exe 3 2->15         started        signatures3 process4 file5 61 C:\Users\user\AppData\Roaming\bruh.exe, PE32 10->61 dropped 63 C:\Users\user\...\Windows_Defender.exe, PE32 10->63 dropped 65 2BAD850D4FC1355D5C...53BAE047865.exe.log, ASCII 10->65 dropped 17 bruh.exe 3 6 10->17         started        21 Windows_Defender.exe 1 10 10->21         started        67 C:\...\Microsoft Update Manager6897351.exe, PE32 13->67 dropped process6 dnsIp7 45 C:\...\Microsoft Update Manager7399207.exe, PE32 17->45 dropped 47 C:\Users\user\AppData\...\RtkBtManServ.exe, PE32 17->47 dropped 81 Multi AV Scanner detection for dropped file 17->81 83 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->83 85 Drops PE files to the startup folder 17->85 24 RtkBtManServ.exe 29 17->24         started        28 cmd.exe 1 17->28         started        71 18.189.106.45, 16463, 49702, 49728 AMAZON-02US United States 21->71 73 3.132.159.158, 16463, 49719, 49725 AMAZON-02US United States 21->73 75 3 other IPs or domains 21->75 49 C:\Program Files (x86)\...\dhcpmon.exe, PE32 21->49 dropped 51 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 21->51 dropped 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->87 file8 signatures9 process10 file11 53 C:\Users\user\AppData\Local\...\xwizard.exe, PE32 24->53 dropped 55 C:\Users\user\AppData\Local\...\winhlp32.exe, PE32 24->55 dropped 57 C:\Users\user\AppData\Local\...\snuvcdsm.exe, PE32 24->57 dropped 59 4 other files (1 malicious) 24->59 dropped 97 Antivirus detection for dropped file 24->97 99 Multi AV Scanner detection for dropped file 24->99 101 Machine Learning detection for dropped file 24->101 30 WerFault.exe 24->30         started        103 Uses cmd line tools excessively to alter registry or file data 28->103 105 Uses schtasks.exe or at.exe to add and modify task schedules 28->105 32 reg.exe 1 1 28->32         started        35 reg.exe 1 1 28->35         started        37 reg.exe 1 1 28->37         started        39 22 other processes 28->39 signatures12 process13 signatures14 77 Disables Windows Defender (deletes autostart) 32->77 79 Disable Windows Defender real time protection (registry) 35->79 41 Conhost.exe 37->41         started        43 Conhost.exe 39->43         started        process15
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/2bad850d4fc1355d5cbdef48a773968dfd53bae047865fe20b131bcf854eb833/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2022-08-24 20:25:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
189
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fowykdkpye2v2xf555eko44wrx6vhoxai6df7yqlcmn47bkoxazq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
3718ecc8170d3e8332945754a0b9a3f18a20bfe5a9a19028a6998b1fae7c17e4
NanoCore
3724685e7ab37bf18b214d6139fe6d34ac3542f84f0b77f7a6bd9d3468e9a6a6
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4e785b74c3e61b21be82f7d3e70e92d9daebab14138c57b1d3d3fde3b138b2f6
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58689724dc5e48b6033a66e35868b725502d24ed0fe0b9068b2638fa6b0137e4
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63749db0a9eb1a3c20cbeed08aae309ea5be7a0318d954cd3e74f6ffef2125f8
NanoCore
824ed903e7e448c8fafd20ef03de817ec383aa9d8957491a087e5f0337540e8c
NanoCore
a5b104123f3c4bec52d90abce964aa72655913f3a8ed7e7d431146138131f6e0
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b92a5c3efbd6adc183f46c43e8c1fd7741fec8fff7e5e04c66880700c83ff49d
NanoCore
+ 2'326 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/221021-s7mkzshfhm/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
UPX packed file
NirSoft WebBrowserPassView
Nirsoft
Modifies Windows Defender Real-time Protection settings
Modifies security service
NanoCore
Malware Config
C2 Extraction:
6.tcp.ngrok.io:16463
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/1e183acb-867b-40ef-830b-479f1a8d0e02
Unpacked files
SH256 hash:
2bad850d4fc1355d5cbdef48a773968dfd53bae047865fe20b131bcf854eb833
MD5 hash:
4efc94d8768163a6e25a53e7d002e962
SHA1 hash:
35bbd174ee8a9dc8b269b3bcb2ef42f468af6e43
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/77f9b9ce-cb10-43ed-9080-e98882515f63/
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/2bad850d4fc1355d5cbdef48a773968dfd53bae047865fe20b131bcf854eb833

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:ach_NanoCore
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_EXE_DotNET_Encrypted
Create hunting rule
Author:ditekSHen
Description:Detects encrypted or obfuscated .NET executables
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:INDICATOR_TOOL_ChromeCookiesView
Create hunting rule
Author:ditekSHen
Description:Detects ChromeCookiesView
Rule name:INDICATOR_TOOL_EdgeCookiesView
Create hunting rule
Author:ditekSHen
Description:Detects EdgeCookiesView
Rule name:malware_Nanocore_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:MALWARE_Win_SoranoStealer
Create hunting rule
Author:ditekSHen
Description:Detects SoranoStealer / HogGrabber. Available on Github: /Alexuiop1337/SoranoStealer
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/322343/

Comments