MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43978c54ae195f6985cd3170246f6bd6214e36ab14aadb8e753488bee36beef3. 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


Intelligence 6 File information Yara 5 Comments

SHA256 hash: 43978c54ae195f6985cd3170246f6bd6214e36ab14aadb8e753488bee36beef3
SHA3-384 hash: 49d130c0c27d4e3c0f0593d14016bfa449b00037116c0af2557057736db7da526ffa39e60ac05b94e56c4c759c11eb23
SHA1 hash: ea1607d91c15e395b1f815010b91c3e607e55721
MD5 hash: a296a20f034e1bbb8a7def685cff14ba
humanhash: mississippi-zulu-bluebird-twelve
File name:VIETAZ TRADING CO - ITEMS LIST.exe
Download: download sample
Signature NanoCore
File size:796'672 bytes
First seen:2020-08-01 07:26:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 24576:QPiFBTOfJ+bcC5HssDFv1IUYGa7wh8p+9:Q8GJ+xMsD47wh8p+9
TLSH D205C065AAD1ED5EC3FC447092BC6668CAFD52D98137C341ECE65AEF25A93D2B403032
Reporter @jarumlus
Tags:NanoCore

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
US US
Mail intelligence
Geo location:
CH Switzerland
Volume:
Low
Geo location:
IT Italy
Volume:
Low
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Gathering data
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
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 AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-29 17:19:36 UTC
AV detection:
25 of 31 (80.65%)
Threat level
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
Extraction:
billion1920.duckdns.org:56372
91.192.100.25:56372

Yara Signatures


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_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: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.

Malspam

NanoCore

Executable exe 43978c54ae195f6985cd3170246f6bd6214e36ab14aadb8e753488bee36beef3

(this sample)

  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment

Comments