MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 311f2c8194cb056d4a4a739d6b9295cab2f34550a8d49795f32f5d3b224af8a9. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 311f2c8194cb056d4a4a739d6b9295cab2f34550a8d49795f32f5d3b224af8a9
SHA3-384 hash: 06ef58c600f5fffaa09372f684f5eda4754d47b3116e3c04b3d4d61774f9ddca6e86548b62884ed83953e845b2444edc
SHA1 hash: c02b0ef28fce899585d23f799f6f222f09184a6f
MD5 hash: 8d3368746666b1ce6e67f1c048c6fbe7
humanhash: purple-fix-colorado-march
File name:SecuriteInfo.com.Trojan.DownloaderNET.117.10549.24020
Download: download sample
Signature NanoCore
Create hunting rule
File size:46'080 bytes
First seen:2021-02-15 23:56:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 768:uqtQDkwPZX8vTMv+lakuXm2lvs64GT2kiP4CPOSVdqOFqZ:GDLQMv+lakCRmGCxwCPOPOUZ
Threatray 1'545 similar samples on MalwareBazaar
TLSH CA23E88A32EC7159E0563FB61D16F670372DAA325C50D809784BD21DEEC11E76CCCAEA
Reporter SecuriteInfoCom
Tags:NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
155
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.DownloaderNET.117.10549.24020
Verdict:
Malicious activity
Analysis date:
2021-02-16 00:00:42 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/7a0e7a82-94cf-4353-a5fb-7bddbbd725de

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DLAgent06
Create hunting rule
Link:
https://www.capesandbox.com/analysis/117264/
Detection(s):
SecuriteInfo.com.Trojan.DownloaderNET.117.10549.24020.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Sending a UDP request
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Deleting a recently created file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
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.
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/608522
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Detected Nanocore Rat
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 353293 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 16/02/2021 Architecture: WINDOWS Score: 100 79 Found malware configuration 2->79 81 Malicious sample detected (through community Yara rule) 2->81 83 Multi AV Scanner detection for dropped file 2->83 85 8 other signatures 2->85 8 SecuriteInfo.com.Trojan.DownloaderNET.117.10549.exe 15 3 2->8         started        12 SecuriteInfo.com.Trojan.DownloaderNET.117.10549.exe 3 2->12         started        14 dhcpmon.exe 2->14         started        16 dhcpmon.exe 2->16         started        process3 dnsIp4 75 193.239.147.103, 49721, 49725, 49727 DEDIPATH-LLCUS Brunei Darussalam 8->75 89 Hides threads from debuggers 8->89 91 Injects a PE file into a foreign processes 8->91 93 Contains functionality to hide a thread from the debugger 8->93 18 SecuriteInfo.com.Trojan.DownloaderNET.117.10549.exe 1 12 8->18         started        23 cmd.exe 1 8->23         started        35 2 other processes 8->35 77 192.168.2.1 unknown unknown 12->77 25 SecuriteInfo.com.Trojan.DownloaderNET.117.10549.exe 12->25         started        27 cmd.exe 12->27         started        37 2 other processes 12->37 29 cmd.exe 14->29         started        31 dhcpmon.exe 14->31         started        33 cmd.exe 16->33         started        signatures5 process6 dnsIp7 71 ijebu.hopto.org 197.211.58.11, 55533 globacom-asNG Nigeria 18->71 73 127.0.0.1 unknown unknown 18->73 61 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->61 dropped 63 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->63 dropped 65 C:\Users\user\AppData\Local\...\tmpE617.tmp, XML 18->65 dropped 67 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->67 dropped 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->87 39 schtasks.exe 1 18->39         started        41 schtasks.exe 1 18->41         started        43 conhost.exe 23->43         started        45 timeout.exe 1 23->45         started        69 SecuriteInfo.com.T...T.117.10549.exe.log, ASCII 25->69 dropped 47 conhost.exe 27->47         started        49 timeout.exe 27->49         started        51 conhost.exe 29->51         started        53 timeout.exe 29->53         started        55 2 other processes 33->55 file8 signatures9 process10 process11 57 conhost.exe 39->57         started        59 conhost.exe 41->59         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/311f2c8194cb056d4a4a739d6b9295cab2f34550a8d49795f32f5d3b224af8a9/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-02-10 16:32:48 UTC
AV detection:
28 of 48 (58.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gepszamuzmcw2sskooowxeuvzkzpgrkqvdkjpfptf5otwisk7cuq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
15f0aac31d57cff82f66f71e05e8a186752b8d93ff94c0d1e7c88d11f0c0b55a
NanoCore
258856f05819789b47e0bed58b1df479976a355cd30b953b23f9e2f5d286578a
NanoCore
2acf6c2398a12dc97ff2ceec4f348ed6338c4aafb2dcfeb24856cf8526d12a9d
NanoCore
4f0035201ba7a3a536727862b8ac8dbf389038c5af1674ff7a982190fed1e30b
NanoCore
644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
NanoCore
6a4ecef563225ed9892ff403374d704be5e3b4242ae9f08d624325e83fd22276
NanoCore
db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
NanoCore
e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
NanoCore
f3ac633354efc183e1705dd9e042d39b62208735f6f9e83534fb21c9f32b5d70
NanoCore
f4bf592fde78af7ed0b06166ac8265d7b65a2457b9a61f12c2e3a4fad641ac19
NanoCore
+ 1'535 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/210215-25v6axsrfa/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
ijebu.hopto.org:55533
127.0.0.1:55533
Unpacked files
SH256 hash:
311f2c8194cb056d4a4a739d6b9295cab2f34550a8d49795f32f5d3b224af8a9
MD5 hash:
8d3368746666b1ce6e67f1c048c6fbe7
SHA1 hash:
c02b0ef28fce899585d23f799f6f222f09184a6f
Link:
https://www.unpac.me/results/5539c7af-48b6-49d1-86a5-bce6fe17a71f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/311f2c8194cb056d4a4a739d6b9295cab2f34550a8d49795f32f5d3b224af8a9

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:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
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: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.

Web download

NanoCore

Executable exe 311f2c8194cb056d4a4a739d6b9295cab2f34550a8d49795f32f5d3b224af8a9

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1011602/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/117264/

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