MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dafee937bbe45fe3398e06d60f2177c42a20e41f9bc5c22dcadbf284cdf4fb75. 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: 7

Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash:	dafee937bbe45fe3398e06d60f2177c42a20e41f9bc5c22dcadbf284cdf4fb75
SHA3-384 hash:	1fee5df6c65b7f7a368303f269613347701f5abb5415a75722c1e8a1951df041945b83de4e69b2994b95fc9851bb0376
SHA1 hash:	ae7b4d75f843e9c65fe35e650cfad03cdef004cd
MD5 hash:	bc725a6cccbdf727eb0d0c0f22c550e6
humanhash:	bluebird-wyoming-equal-spaghetti
File name:	Bestätigung der Bankverbindung,pdf.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'649'328 bytes
First seen:	2020-10-26 15:50:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:uaDJoqBXFWvVSLdpqN9FDmQdHdIQ/rZcnjKKzWTdaPO0O2pcMXmnMEwoOKS8+:ugJX
Threatray	187 similar samples on MalwareBazaar
TLSH	2D759C3D6D8826A35177E276A0F90687FEE4658673780C4B02C33B486D5AF163E9734E
Reporter	abuse_ch
Tags:	DEU exe geo NanoCore RAT

abuse_ch

Malspam distributing NanoCore:

HELO: mail.nipponcarsrl.com.ar
Sending IP: 200.114.86.103
From: Patrick Hoover <info3@sitema.de>
Subject: BANK DETAILS
Attachment: Bestätigung der Bankverbindung,pdf.zip (contains "Bestätigung der Bankverbindung,pdf.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/79358/

Detection(s):

PUA.Win.Trojan.Generic-6629274-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Unauthorized injection to a recently created process

Creating a file

Creating a window

Launching the default Windows debugger (dwwin.exe)

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Result

Threat name:

Nanocore

Detection:

malicious

Classification:

troj.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/512441

Signature

.NET source code contains very large strings

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Detected Nanocore Rat

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/dafee937bbe45fe3398e06d60f2177c42a20e41f9bc5c22dcadbf284cdf4fb75/

Threat name:

ByteCode-MSIL.Spyware.Stelega

Status:

Malicious

First seen:

2020-10-26 09:44:27 UTC

AV detection:

24 of 28 (85.71%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=3l7osn534rp6gomoa3la6ilxyqvcbza7tpc4elok3pzijtpu7n2q._file

Verdict:

unknown

Result

Malware family:

nanocore

Score:

10/10

Tags:

persistence keylogger trojan stealer spyware family:nanocore

Link:

https://tria.ge/reports/201026-vnrym4dqln/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Adds Run key to start application

ServiceHost packer

NanoCore

Malware Config

C2 Extraction:

zubbymoney4life.ddns.net:1743

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 Create hunting rule
Author:	abuse.ch

Rule name:	adonunix Create hunting rule
Author:	Tim Brown @timb_machine
Description:	AD on UNIX

Rule name:	nanocore_rat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	Nanocore_RAT_Feb18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects Nanocore RAT
Reference:	Internal Research - T2T

Rule name:	Nanocore_RAT_Gen_2 Create hunting rule
Author:	Florian Roth
Description:	Detetcs the Nanocore RAT
Reference:	https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/