MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 701768dfd24a5df7d5ad448c9bcd933fbef87fca11c91c457cfa44d95e2fb6d1. 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 11 File information Comments

SHA256 hash: 701768dfd24a5df7d5ad448c9bcd933fbef87fca11c91c457cfa44d95e2fb6d1
SHA3-384 hash: ae9e5aafaa8fa6ea002fe05364929e12e5a929f3ede68bfbb41b651c72b3ae76c555bb962c6a2d10507d5191653d4804
SHA1 hash: 4937ee1f052acc2fc574baa54bfff07bdc00aac7
MD5 hash: 1fd5b72876baa9af3f69708fe34a06da
humanhash: twelve-florida-king-august
File name:1fd5b72876baa9af3f69708fe34a06da.exe
Download: download sample
Signature NanoCore
File size:691'200 bytes
First seen:2022-08-24 07:35:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:n2nNKu3XDG2vMB6sm15Vcz+KgUIf+0E/0UIDr2gKGcpuhgIFq+q:cNlG2vO655VRUZ0E/0UO2gKpu5qP
Threatray 5'129 similar samples on MalwareBazaar
TLSH T120E412A537AD4F2AD93A8BF941B441A043B8B21B7147E71F9DD630DA2E22F5B1304E47
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe NanoCore RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
1fd5b72876baa9af3f69708fe34a06da.exe
Verdict:
Malicious activity
Analysis date:
2022-08-24 07:40:39 UTC
Tags:
trojan nanocore rat stealer

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
Sending a custom TCP request
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit packed remcos
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 689349 Sample: T7hfS3rNEv.exe Startdate: 24/08/2022 Architecture: WINDOWS Score: 100 52 kasawulli845.ddns.net 2->52 58 Snort IDS alert for network traffic 2->58 60 Malicious sample detected (through community Yara rule) 2->60 62 Antivirus detection for URL or domain 2->62 64 13 other signatures 2->64 9 T7hfS3rNEv.exe 3 2->9         started        13 dhcpmon.exe 2 2->13         started        15 T7hfS3rNEv.exe 2 2->15         started        17 dhcpmon.exe 3 2->17         started        signatures3 process4 file5 50 C:\Users\user\AppData\...\T7hfS3rNEv.exe.log, ASCII 9->50 dropped 68 Uses schtasks.exe or at.exe to add and modify task schedules 9->68 70 Injects a PE file into a foreign processes 9->70 19 T7hfS3rNEv.exe 1 16 9->19         started        24 dhcpmon.exe 13->24         started        26 dhcpmon.exe 13->26         started        28 T7hfS3rNEv.exe 15->28         started        30 T7hfS3rNEv.exe 15->30         started        32 dhcpmon.exe 17->32         started        signatures6 process7 dnsIp8 54 kasawulli845.ddns.net 109.206.241.128, 49710, 49711, 49712 AWMLTNL Germany 19->54 56 127.0.0.1 unknown unknown 19->56 42 C:\Program Files (x86)\...\dhcpmon.exe, PE32 19->42 dropped 44 C:\Users\user\AppData\Roaming\...\run.dat, data 19->44 dropped 46 C:\Users\user\AppData\Local\Temp\tmp15.tmp, XML 19->46 dropped 48 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 19->48 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->66 34 schtasks.exe 1 19->34         started        36 schtasks.exe 1 19->36         started        file9 signatures10 process11 process12 38 conhost.exe 34->38         started        40 conhost.exe 36->40         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-08-23 12:58:25 UTC
File Type:
PE (.Net Exe)
Extracted files:
54
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
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:
kasawulli845.ddns.net:5211
127.0.0.1:5211
Unpacked files
SH256 hash:
c49cad68ec29652ea27fa5dea5923e3c58048a880c80dcb2f830eea1684fa379
MD5 hash:
e7d9663a7d8a2b2834bfa0459942a5c0
SHA1 hash:
b1e39c40d05222a194bc02a467e47cbdd3d8003d
SH256 hash:
1ab30b761d40ca0448b78bb3bd66524ee4e0e010127680f3133a2a6fdb62ecde
MD5 hash:
158a9614df783311cf104cfe75b6c39b
SHA1 hash:
8953370b4cc37e410cb1b6ff0f69ec3e9b0997af
SH256 hash:
d675ca67f8419e38bdb747815bc8c6a39fe232297d15b060207f941c4b9189f0
MD5 hash:
b9c50969dc10f55529c2a08af31358b7
SHA1 hash:
22e08503d17b3b6b7fb3ffbef8ae16f48b902ec6
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
SH256 hash:
701768dfd24a5df7d5ad448c9bcd933fbef87fca11c91c457cfa44d95e2fb6d1
MD5 hash:
1fd5b72876baa9af3f69708fe34a06da
SHA1 hash:
4937ee1f052acc2fc574baa54bfff07bdc00aac7
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.

Web download

NanoCore

Executable exe 701768dfd24a5df7d5ad448c9bcd933fbef87fca11c91c457cfa44d95e2fb6d1

(this sample)

  
Delivery method
Distributed via web download

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