MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b231f0f0d0fffe616301a6796c8f32d83f49b29365bbc8f6509213af1aa03c8. 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: 15


Intelligence 15 IOCs 1 YARA 11 File information Comments

SHA256 hash: 0b231f0f0d0fffe616301a6796c8f32d83f49b29365bbc8f6509213af1aa03c8
SHA3-384 hash: 08fe5d72227bfcc5aaa8dd685a84d105e4a9ec092fac4b6de2ba6dd1a9211be2d97011aa733c7c6e2a9fec3df78ba0fa
SHA1 hash: 0afc3a57df1042ecec58dd1ccd0d9dc6eed5d806
MD5 hash: eab3314c2450578ae32fa13f7ebd4829
humanhash: cat-tennessee-nine-uniform
File name:NEWFILE.EXE.exe
Download: download sample
Signature NanoCore
File size:207'872 bytes
First seen:2022-08-29 07:41:43 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 6144:sLV6Bta6dtJmakIM5qMBrwBJnaMC8xFev7y4QT1tp:sLV6BtpmkXMFIPHPe2Dtp
Threatray 4'533 similar samples on MalwareBazaar
TLSH T10F14C05577A94A2FD2DE82BA61221143937CC2E399C3F7EE28D464B74F263E50A071D3
TrID 69.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.18:1414

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
79.134.225.18:1414 https://threatfox.abuse.ch/ioc/846060/

Intelligence


File Origin
# of uploads :
1
# of downloads :
337
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
NEWFILE.EXE.exe
Verdict:
Malicious activity
Analysis date:
2022-08-29 07:44:46 UTC
Tags:
nanocore trojan rat stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
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
Launching a process
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware nanocore obfuscated packed rat schtasks.exe
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
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 domain / URL
Multi AV Scanner detection for dropped file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 692116 Sample: NEWFILE.EXE.exe Startdate: 29/08/2022 Architecture: WINDOWS Score: 100 38 Snort IDS alert for network traffic 2->38 40 Multi AV Scanner detection for domain / URL 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 10 other signatures 2->44 7 NEWFILE.EXE.exe 1 15 2->7         started        12 NEWFILE.EXE.exe 3 2->12         started        14 dhcpmon.exe 2 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 dnsIp4 36 79.134.225.18, 1414, 49751, 49752 FINK-TELECOM-SERVICESCH Switzerland 7->36 26 C:\Program Files (x86)\...\dhcpmon.exe, PE32 7->26 dropped 28 C:\Users\user\AppData\Roaming\...\run.dat, data 7->28 dropped 30 C:\Users\user\AppData\Local\...\tmp7575.tmp, XML 7->30 dropped 32 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 7->32 dropped 46 Uses schtasks.exe or at.exe to add and modify task schedules 7->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->48 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        34 C:\Users\user\AppData\...34EWFILE.EXE.exe.log, ASCII 12->34 dropped file5 signatures6 process7 process8 22 conhost.exe 18->22         started        24 conhost.exe 20->24         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2022-08-29 07:42:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore collection evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks whether UAC is enabled
Uses the VBS compiler for execution
NirSoft MailPassView
Nirsoft
NanoCore
Malware Config
C2 Extraction:
79.134.225.18:1414
Unpacked files
SH256 hash:
0b231f0f0d0fffe616301a6796c8f32d83f49b29365bbc8f6509213af1aa03c8
MD5 hash:
eab3314c2450578ae32fa13f7ebd4829
SHA1 hash:
0afc3a57df1042ecec58dd1ccd0d9dc6eed5d806
Detections:
win_nanocore_w0
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:ach_NanoCore
Author:abuse.ch
Rule name:malware_Nanocore_strings
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:MALWARE_Win_NanoCore
Author:ditekSHen
Description:Detects NanoCore
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
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.

Comments