MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70e9f80716b498dda1e37b46aead3813b85cd526317e508fac5eea0e4ced33f3. 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: 4

Intelligence 4 IOCs YARA 4 File information Comments

SHA256 hash:	70e9f80716b498dda1e37b46aead3813b85cd526317e508fac5eea0e4ced33f3
SHA3-384 hash:	64b2ccec610e7b6f868a8e0121250704e6e83bb538768f208ee7b234b89facbf7d63ae3e1a9c47b3182489c0c820e164
SHA1 hash:	f422aba2da845fa7482954bba678ad091d3717f7
MD5 hash:	6e6cc76a408f4000a0930833463f4f49
humanhash:	maine-grey-may-lemon
File name:	yessssss.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	3'329'536 bytes
First seen:	2020-05-25 13:45:31 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	24576:oBUp0f7thAJrop1RJRREupYkaYIwL4PNjb4rqqpk4e3jUxSuN:DQRhAsTLyMYkFYfmpkH3jUYu
Threatray	566 similar samples on MalwareBazaar
TLSH	F3F5293A3582480EC5BD8271506DAEC2B7352B423B528B5FB2DBA30C5F1255F7FA524E
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

Malspam distributing NanoCore:

HELO: rdns0.xiuba.live
Sending IP: 111.90.150.30
From: Collins P <ronbossard@ibew611.org>
Subject: New Order
Attachment: QUOTATION.doc

NanoCore RAT payload URL:
https://melodramate.com/yssssssssss/yessssss.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection(s):

Win.Trojan.Generic-6296801-0

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-05-25 14:12:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 31 (64.52%)

Threat level:

5/5

Verdict:

malicious

Label(s):

nanocorerat

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore agilenet keylogger spyware stealer trojan

Link:

https://tria.ge/reports/201109-l4lbed7nvx/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Executes dropped EXE

NanoCore

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:	BlackWorm Create hunting rule
Author:	Brian Wallace @botnet_hunter
Description:	Identify BlackWorm

Rule name:	CAP_HookExKeylogger Create hunting rule
Author:	Brian C. Bell -- @biebsmalwareguy
Reference:	https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar