MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6056ddf4fd5f58f421883da0176a32cbad5458c80d33e1e0d4f1ddcf28f6d21d. 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: 18


Intelligence 18 IOCs YARA 13 File information Comments

SHA256 hash: 6056ddf4fd5f58f421883da0176a32cbad5458c80d33e1e0d4f1ddcf28f6d21d
SHA3-384 hash: 6ce0255b57f1eeccf575526f6944e216d5d76fc61f9725b1faf353cb19ce082aa4bc8bd30ed654e99cfe4d93ff12ab32
SHA1 hash: 385a907d5646ef30bf470784b89867b1ef1737d8
MD5 hash: 09768ed665365838e5f15dff9c5b3e74
humanhash: bakerloo-pizza-green-chicken
File name:09768ed665365838e5f15dff9c5b3e74.exe
Download: download sample
Signature NanoCore
File size:462'848 bytes
First seen:2023-09-20 18:25:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:MLV6Bta6dtJmakIM5fBnRhWiJ8bEQj3MrRFW6V475A1X90g2l5TwBrEYFNHz9QC5:MLV6BtpmkoblRcKYg2l5TwSY72C1zvr
Threatray 1'434 similar samples on MalwareBazaar
TLSH T15DA402657B69452FF29E817CB0120256977CC2E3D9C3F3EE6DC864B25B626E24A070D3
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
3.127.59.75:10357

Intelligence


File Origin
# of uploads :
1
# of downloads :
364
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
09768ed665365838e5f15dff9c5b3e74.exe
Verdict:
Malicious activity
Analysis date:
2023-09-20 18:26:03 UTC
Tags:
nanocore

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
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
Sending a custom TCP request
Searching for synchronization primitives
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
eazfuscator lolbin nanocore obfuscated packed packed rat remote schtasks
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
Connects to many ports of the same IP (likely port scanning)
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
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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: 1311834 Sample: 2PPCF77AqK.exe Startdate: 20/09/2023 Architecture: WINDOWS Score: 100 40 Found malware configuration 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 13 other signatures 2->46 7 2PPCF77AqK.exe 1 14 2->7         started        12 2PPCF77AqK.exe 3 2->12         started        14 dhcpmon.exe 3 2->14         started        16 dhcpmon.exe 2 2->16         started        process3 dnsIp4 34 4.tcp.eu.ngrok.io 18.198.77.177, 10357, 49705, 49713 AMAZON-02US United States 7->34 36 3.121.139.82, 10357, 49706, 49718 AMAZON-02US United States 7->36 38 4 other IPs or domains 7->38 28 C:\Program Files (x86)\...\dhcpmon.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\Roaming\...\run.dat, OpenPGP 7->30 dropped 32 C:\Users\user\AppData\Local\...\tmp6764.tmp, XML 7->32 dropped 48 Detected Nanocore Rat 7->48 50 Uses schtasks.exe or at.exe to add and modify task schedules 7->50 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->52 18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 7->20         started        22 dw20.exe 22 6 7->22         started        file5 signatures6 process7 process8 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started       
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Status:
Malicious
First seen:
2023-09-19 00:02:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore 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
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
NanoCore
Malware Config
C2 Extraction:
4.tcp.eu.ngrok.io:10357
Unpacked files
SH256 hash:
6056ddf4fd5f58f421883da0176a32cbad5458c80d33e1e0d4f1ddcf28f6d21d
MD5 hash:
09768ed665365838e5f15dff9c5b3e74
SHA1 hash:
385a907d5646ef30bf470784b89867b1ef1737d8
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 (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:NETexecutableMicrosoft
Author:malware-lu
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