MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86f42645b20ddd4fd363bab53bd0a6c3ea69dac332b403e975837b71e3f57126. 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: 19


Intelligence 19 IOCs YARA 13 File information Comments

SHA256 hash: 86f42645b20ddd4fd363bab53bd0a6c3ea69dac332b403e975837b71e3f57126
SHA3-384 hash: c08b14b29ea206172fc119d2a576581c4c391ce6395b29ebcb9c56636d6ebf0e29ad9f5c7c49f7b104add50f0616abeb
SHA1 hash: ea13a1f8343bba2d074402360613937325b5c32d
MD5 hash: 373dfd91476ca6648beeb235d30cf54f
humanhash: eighteen-delaware-winner-rugby
File name:373dfd91476ca6648beeb235d30cf54f.exe
Download: download sample
Signature NanoCore
File size:287'232 bytes
First seen:2023-02-03 20:35:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12115494f2c86ccfa8a7bf3471dfac33 (25 x SnakeKeylogger, 2 x MassLogger, 2 x AgentTesla)
ssdeep 6144:BCteODDmzKRgLV6Bta6dtJmakIM50MJSftp3:Be3+XLV6BtpmkKcX3
TLSH T12754CF1277E1843EE2AF4939146186A2873ED5E29D93FBDF26C8157B0F213D04A175E3
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4505/5/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
193.31.30.138:1365

Intelligence


File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
373dfd91476ca6648beeb235d30cf54f.exe
Verdict:
Malicious activity
Analysis date:
2023-02-03 20:38:10 UTC
Tags:
trojan nanocore rat

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

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm greyware nanocore packed rat shell32.dll
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 URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Detected unpacking (creates a PE file in dynamic memory)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2023-02-02 15:27:09 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
nanocorerat
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
thesopranos.duckdns.org:1365
Unpacked files
SH256 hash:
86f42645b20ddd4fd363bab53bd0a6c3ea69dac332b403e975837b71e3f57126
MD5 hash:
373dfd91476ca6648beeb235d30cf54f
SHA1 hash:
ea13a1f8343bba2d074402360613937325b5c32d
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:Windows_Trojan_Nanocore_d8c4e3c5
Author:Elastic Security
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