MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84783d501b78575f30aa33097f9c7c885542b892512403424fc069b048189e98. 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: 5

Intelligence 5 IOCs YARA 5 File information Comments

SHA256 hash:	84783d501b78575f30aa33097f9c7c885542b892512403424fc069b048189e98
SHA3-384 hash:	af1e7c3427d49da56bd20ebdc987b8f9265028be089881b8bdf797fc2698941d44c5cc4267fea454a65f6fa23f93a3a3
SHA1 hash:	6fb52f0f5fec4a0699903f3777c331acd8c9c044
MD5 hash:	24c3c3e947e5d29f8de2f545baaaec8e
humanhash:	wyoming-quiet-arkansas-ack
File name:	MTIR20283256_2101013335_20200507083759.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	1'015'296 bytes
First seen:	2020-05-07 06:42:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:BD1tWn3svcZTm7jTdEHOPZqgySRgbOL1I576a2MMSPm991RB1eSY:vtoA7jTpbySqbOhQea2MMQm991RB1ej
Threatray	663 similar samples on MalwareBazaar
TLSH	AD25BF1733989375DDBE93F36407102205DCFCAE29A3A6A7BBD171D7C81BCA04989A17
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

Malspam distributing NanoCore:

HELO: server.avrasyarulman.com
Sending IP: 185.239.237.91
From: tradefinance@kasikornbank.com <tradefinance@kasikornbank.com>
Subject: SWIFT MT103 Notification from KBank
Attachment: MTIR20283256_2101013335_20200507083759.PDF.IMG (contains "MTIR20283256_2101013335_20200507083759.exe")

NanoCore RAT C2:
174.127.99.159:7882

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Nanobot

Status:

Malicious

First seen:

2020-05-07 07:46:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 31 (74.19%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qr4d2ua3pblv6mfkgmex7hd4rbkufoeskesagqspybu3asayt2ma._file

Verdict:

malicious

Label(s):

azorult

netwirerc

Result

Malware family:

netwire

Score:

10/10

Tags:

family:azorult discovery infostealer trojan family:netwire botnet rat stealer

Link:

https://tria.ge/reports/201109-2z6zwvstns/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

NTFS ADS

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Checks installed software on the system

Loads dropped DLL

Executes dropped EXE

ServiceHost packer

Azorult

NetWire RAT payload

Netwire

Suspicious use of NtCreateProcessExOtherParentProcess

Malware Config

C2 Extraction:

http://ensaenerji.com/mep/index.php

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:	Malicious_BAT_Strings Create hunting rule
Author:	Florian Roth
Description:	Detects a string also used in Netwire RAT auxilliary
Reference:	https://pastebin.com/8qaiyPxs

Rule name:	MAL_unspecified_Jan18_1 Create hunting rule
Author:	Florian Roth
Description:	Detects unspecified malware sample
Reference:	Internal Research

Rule name:	netwire Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect netwire in memory
Reference:	internal research

Rule name:	Suspicious_BAT_Strings Create hunting rule
Author:	Florian Roth
Description:	Detects a string also used in Netwire RAT auxilliary
Reference:	https://pastebin.com/8qaiyPxs

Rule name:	win_netwire_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	autogenerated rule brought to you by yara-signator