MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6db62dd5519b4afb93f0b949b741d384525425f1032ecc52e7196d34243cca4b. 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 9 File information Comments

SHA256 hash: 6db62dd5519b4afb93f0b949b741d384525425f1032ecc52e7196d34243cca4b
SHA3-384 hash: f15be0a67f1d5b1bbfb8edd89220ed7c98b6d4371d047e432306ce8d75b9a163e4ff655379d5d0f4c1646e8ed4fc2f99
SHA1 hash: 30d2de57c4aed44210c9e7013fd6d57af3f0485a
MD5 hash: 29fadfa453b82c3004da7e2c5d859cdd
humanhash: hamper-delta-idaho-emma
File name:29FADFA453B82C3004DA7E2C5D859CDD.exe
Download: download sample
Signature NanoCore
File size:207'872 bytes
First seen:2021-08-17 18:16:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:OLV6Bta6dtJmakIM5I0qHE4i6XYcN8hYXjhHrYC:OLV6BtpmkRpkAnOKThHJ
Threatray 2'555 similar samples on MalwareBazaar
TLSH T16C14CF667BA84A2FE2DE857D711212529379C2E3ADC3F3DE28D854B74B163E40A071D3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
69.232.46.139:1738

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
69.232.46.139:1738 https://threatfox.abuse.ch/ioc/191690/

Intelligence


File Origin
# of uploads :
1
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
29FADFA453B82C3004DA7E2C5D859CDD.exe
Verdict:
Malicious activity
Analysis date:
2021-08-17 18:17:16 UTC
Tags:
rat nanocore

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

Behaviour
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
Deleting a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a process from a recently created file
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Found malware configuration
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
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 467066 Sample: BmMHiYP5Vx.exe Startdate: 17/08/2021 Architecture: WINDOWS Score: 100 39 nunzioisbitch.serveftp.com 2->39 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus detection for URL or domain 2->47 49 11 other signatures 2->49 8 BmMHiYP5Vx.exe 1 14 2->8         started        13 dhcpmon.exe 3 2->13         started        15 BmMHiYP5Vx.exe 3 2->15         started        17 dhcpmon.exe 2 2->17         started        signatures3 process4 dnsIp5 41 nunzioisbitch.serveftp.com 69.232.46.139, 1738, 49703, 49704 ATT-INTERNET4US United States 8->41 27 C:\Program Files\DHCP Monitor\dhcpmon.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Roaming\...\run.dat, data 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmp2C46.tmp, XML 8->31 dropped 33 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 8->33 dropped 51 Protects its processes via BreakOnTermination flag 8->51 53 Uses schtasks.exe or at.exe to add and modify task schedules 8->53 55 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->55 19 schtasks.exe 1 8->19         started        21 schtasks.exe 1 8->21         started        35 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 13->35 dropped 37 C:\Users\user\AppData\...\BmMHiYP5Vx.exe.log, ASCII 15->37 dropped file6 signatures7 process8 process9 23 conhost.exe 19->23         started        25 conhost.exe 21->25         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2021-08-15 11:16:30 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer suricata 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
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
suricata: ET MALWARE Possible NanoCore C2 60B
Malware Config
C2 Extraction:
nunzioisbitch.serveftp.com:1738
Unpacked files
SH256 hash:
6db62dd5519b4afb93f0b949b741d384525425f1032ecc52e7196d34243cca4b
MD5 hash:
29fadfa453b82c3004da7e2c5d859cdd
SHA1 hash:
30d2de57c4aed44210c9e7013fd6d57af3f0485a
Detections:
win_nanocore_w0
Malware family:
NanoCore
Verdict:
Malicious
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:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
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_Gen_2
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: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