MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48a5835b51a5221656e9497ca5682a1e232bf1a1da085af917245dc3fad1a241. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments

SHA256 hash: 48a5835b51a5221656e9497ca5682a1e232bf1a1da085af917245dc3fad1a241
SHA3-384 hash: d102e71a2b536769a8150d862ded7f74aed5651524881699d0f35f1ae61c6ac9816936bef47436ddcc818cada24c26b0
SHA1 hash: 02293f2365648267b71aa3a97d759bf15d5910f7
MD5 hash: 2c5f874113c9c43eb21e2833783754bd
humanhash: william-kitten-cold-ink
File name:quotation & Sample.exe
Download: download sample
Signature NanoCore
File size:614'400 bytes
First seen:2020-10-12 08:45:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wvP9T62IE38VsRdldX7pQYVg6AwWLWI+7JSmzWUDbCbXZlo:wv1Bv8KPX+Mghw/IizWkCbXTo
Threatray 1'125 similar samples on MalwareBazaar
TLSH EAD4F13127D8AB16D8BDB7BE4124208017F6E046D326E77D3CC541E906AEBD6CBA5B43
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.fore-mbaume.com
Sending IP: 45.95.169.145
From: Mashalla.Gogadi <info@fore-mbaume.com>
Subject: Quotation and Sample
Attachment: quotation Sample.r11 (contains "quotation & Sample.exe")

NanoCore RAT C2:
aligod.duckdns.org:6493 (192.169.69.25)

Intelligence


File Origin
# of uploads :
1
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Detected Nanocore Rat
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-12 07:45:28 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
aligod.duckdns.org:6493
Unpacked files
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
SH256 hash:
48a5835b51a5221656e9497ca5682a1e232bf1a1da085af917245dc3fad1a241
MD5 hash:
2c5f874113c9c43eb21e2833783754bd
SHA1 hash:
02293f2365648267b71aa3a97d759bf15d5910f7
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: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 48a5835b51a5221656e9497ca5682a1e232bf1a1da085af917245dc3fad1a241

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments