MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2. 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: 9


Intelligence 9 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2
SHA3-384 hash: 7814e35ac160ed2b9de6ac503d74c5b00bf5120f9e655aec767680c1d2f2bf87211c9dc5c3a79b3239f3895aaff4392c
SHA1 hash: b524063b90c3447074d74a2de143053a14727b39
MD5 hash: 0e8bf0d504977e933c61b577e736aa9b
humanhash: aspen-mobile-zulu-artist
File name:6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'667'072 bytes
First seen:2021-08-31 06:45:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Q+k4Fg6lFBuq9+nDCjw+st7O6S3jLQWcmhB6X1r+o8/w2ju:vk4Fg6rBuq9uCq66
Threatray 2'714 similar samples on MalwareBazaar
TLSH T106754A289C6531CCB42EB2C90E7245E4535EFA7620A1EE2376DD9B319957D9CEBF3800
Reporter JAMESWT_WT
Tags:exe NanoCore

Intelligence

File Origin
# of uploads :
1
# of downloads :
517
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2
Verdict:
No threats detected
Analysis date:
2021-08-31 06:48:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/488e4d19-57c7-4c15-9ea6-2d9f4d80c342

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/183989/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching the default Windows debugger (dwwin.exe)
Sending a UDP request
Setting a single autorun event
Adding exclusions to Windows Defender
Malware family:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6e0bb52-3120-4119-9584-6899c4184dcc
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842487
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
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 with benign system names
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspect Svchost Activity
Sigma detected: System File Execution Location Anomaly
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Nanocore RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474920 Sample: m0257xr4VI Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 56 Malicious sample detected (through community Yara rule) 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Detected Nanocore Rat 2->60 62 10 other signatures 2->62 7 m0257xr4VI.exe 3 7 2->7         started        11 svchost.exe 2->11         started        13 svchost.exe 2->13         started        15 6 other processes 2->15 process3 dnsIp4 46 C:\Windows\Resources\Themes\...\svchost.exe, PE32 7->46 dropped 48 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\...\m0257xr4VI.exe.log, ASCII 7->50 dropped 64 Creates an autostart registry key pointing to binary in C:\Windows 7->64 66 Adds a directory exclusion to Windows Defender 7->66 68 Drops PE files with benign system names 7->68 18 powershell.exe 25 7->18         started        20 powershell.exe 24 7->20         started        22 powershell.exe 7->22         started        24 m0257xr4VI.exe 7->24         started        70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Injects a PE file into a foreign processes 11->74 26 powershell.exe 11->26         started        28 powershell.exe 11->28         started        30 powershell.exe 11->30         started        76 Drops executables to the windows directory (C:\Windows) and starts them 13->76 52 127.0.0.1 unknown unknown 15->52 54 192.168.2.1 unknown unknown 15->54 78 Changes security center settings (notifications, updates, antivirus, firewall) 15->78 32 WerFault.exe 15->32         started        file5 signatures6 process7 process8 34 conhost.exe 18->34         started        36 conhost.exe 20->36         started        38 conhost.exe 22->38         started        40 conhost.exe 26->40         started        42 conhost.exe 28->42         started        44 conhost.exe 30->44         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2/
Threat name:
Win32.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2021-08-30 06:42:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
26 of 46 (56.52%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nzcpverien5t4hpok7v4npdn25dvgcyz6cz2yfxhiedljx427gra._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
2b8a102443d6ed4c84471a54f058f24f5f55485bba73ebd785fdce294e337110
NanoCore
305bf6557bcc3df14cf33993d14e03fa84a6bd7611a990402fae4522ff098454
NanoCore
3d8811d64e17d5ea06d0edae6163b90b2400d06d9afa60ae689d6fe9232bca86
NanoCore
437c9421ae36bc19198438f86b86a39de0d207449abef097eb9656743823c256
NanoCore
4d01d1b24f4f7487669486becc7ff8b43a126f56ffb3d8fcce8c66b200412475
NanoCore
4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9
NanoCore
5a8b4dc95322eed89a2c77350395f8c1f79394369bebec84703ae285092a37f5
NanoCore
9f96527c9f839559485e89c5c5ff8f95708035fd55c9fac0c2edf3764224d860
NanoCore
9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
NanoCore
a276b0d2aaf8a132ffbe9ae16763975bcf38fc1e5a6419890712fc3de02b793f
NanoCore
+ 2'704 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210831-nby4wpj266/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Windows security modification
NanoCore
Windows security bypass
Malware Config
C2 Extraction:
1116.hopto.org:1116
185.140.53.9:1116
Unpacked files
SH256 hash:
5797c505be480847ced751db7f66068bd817c056576470ed4f138e1c98833a32
MD5 hash:
0ce333a07e99079582e59ab60e730b81
SHA1 hash:
838c1c144f462daa4bc27b6b32fd39965f253f81
Link:
https://www.unpac.me/results/ab303b56-ba3a-43b4-b1a4-1cbe0e09e12d/
SH256 hash:
6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2
MD5 hash:
0e8bf0d504977e933c61b577e736aa9b
SHA1 hash:
b524063b90c3447074d74a2de143053a14727b39
Link:
https://www.unpac.me/results/ab303b56-ba3a-43b4-b1a4-1cbe0e09e12d/
Malware family:
NanoCore
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6e44fa922823/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/6e44fa9228237b3e1dee57ebc6bc6dd747530b19f0b3ac16e74106b4df9af9a2

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_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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:pe_imphash
Create hunting rule
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/183989/

Comments