MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2cda5de71f3a8dd9308515600f7ea4cd6f6bb98d75c59e29839a4b39530bfbbe. 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: 16


Intelligence 16 IOCs YARA 13 File information Comments

SHA256 hash: 2cda5de71f3a8dd9308515600f7ea4cd6f6bb98d75c59e29839a4b39530bfbbe
SHA3-384 hash: 16af13d8e52f853513a6a2c6e29496f811be2662115a682689af32585e01066e5899e8657b47384d61b0552cb78eaadc
SHA1 hash: d92e455aec51820a919edf81e63d13be302cda4d
MD5 hash: 9d58012a2884aa390157c713a76c431e
humanhash: eleven-table-earth-lamp
File name:2cda5de71f3a8dd9308515600f7ea4cd6f6bb98d75c59.exe
Download: download sample
Signature NanoCore
File size:377'344 bytes
First seen:2023-02-11 07:16:07 UTC
Last seen:2023-02-11 08:36:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:7MZ6aDRxkdoQy2Q7dbAIXAGC0y6LARnxsVLBaRuZMM4:6AoQy24yIXAGZ1ARxluZM
Threatray 4'985 similar samples on MalwareBazaar
TLSH T11284F144BBE99B15E4BFA3FD64B7A20443F1B41B6860E60C5ED270D62471F908D60FAB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
54.188.68.225:1008

Intelligence


File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
2cda5de71f3a8dd9308515600f7ea4cd6f6bb98d75c59.exe
Verdict:
Malicious activity
Analysis date:
2023-02-11 07:18:38 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
Unauthorized injection to a recently created process
Creating a file
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
nancrat nanocore packed
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 detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: NanoCore
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2023-02-07 22:26:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
nanocore2023.duckdns.org:1008
Unpacked files
SH256 hash:
fc9c021303c3319dd035b70f3dffa96dde6350a949d4ee4202b21b6850c65fd4
MD5 hash:
42309f78f99804de9892426705187a55
SHA1 hash:
e2f74bea319b0917bb9a9ae71f7e5a3817bb2020
SH256 hash:
a440b5929848e6071f401a94fc1a040f14094bf7701b151ff409aeaa60e05f95
MD5 hash:
909be53831182d523ccea3c428d59c4f
SHA1 hash:
8f8f99a97544638bdfc02b5f8054f833f46eccaa
SH256 hash:
353b9de89efa8adb6c54fad2150e3f19d39cf628a6cc1196a5f8576d7d454550
MD5 hash:
ddeb9e0bb0091902abc71b2fe18dff8b
SHA1 hash:
2690b52084262e576ffad3b241cf885881cde4fc
Detections:
win_nanocore_w0
SH256 hash:
2cda5de71f3a8dd9308515600f7ea4cd6f6bb98d75c59e29839a4b39530bfbbe
MD5 hash:
9d58012a2884aa390157c713a76c431e
SHA1 hash:
d92e455aec51820a919edf81e63d13be302cda4d
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 (Nextron Systems)
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 (Nextron Systems)
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