MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fb13ec9aec5b17f482da9aa1b4843d58721d0c99090e9f6cb3a88940666cc61. 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 8 File information Comments

SHA256 hash:	5fb13ec9aec5b17f482da9aa1b4843d58721d0c99090e9f6cb3a88940666cc61
SHA3-384 hash:	6f97d487910bc7a8fff4bbfe339f5022e70e0e701a61cbcdb3abc7f2ff48ef137c6413c86cdfa8a3ec488e27fd047077
SHA1 hash:	2af928ef3604676029a63586c29556ba0d01a225
MD5 hash:	691199d734cd82714f80e6870b9353d7
humanhash:	romeo-oklahoma-nuts-cardinal
File name:	212577.SCR
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	2'229'696 bytes
First seen:	2020-05-25 06:34:16 UTC
Last seen:	2020-05-28 19:38:25 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:UaeNLZWTldENKckDhe5djC//Lv/qvDtkQ4O68NwInvc1JhIuf/dY1pJJX7Bbf6fZ:mZWTldENRk1WRZHFvChpn6rtcOGeLzC
Threatray	11'810 similar samples on MalwareBazaar
TLSH	B6A55D32B9717819D43A02B1841A9DA0F0726F493974C62E35EBF70C7F7338726AA55E
Reporter	jarumlus
Tags:	NanoCore

Code Signing Certificate

Organisation:	LLC Mail.Ru
Issuer:	thawte SHA256 Code Signing CA
Algorithm:	sha256WithRSAEncryption
Valid from:	Aug 24 00:00:00 2018 GMT
Valid to:	Aug 23 23:59:59 2020 GMT
Serial number:	6D5DA98939DA5017B80168D309DD3367
Intelligence:	6 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:	SHA256
Thumbprint:	5752C31DEFFA6C4F7897B75F181D83EE621F7F13B2965908748440CD3A064107
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/4721/

Detection(s):

PUA.Win.Packer.BorlandDelphi-15

Gathering data

Threat name:

ByteCode-MSIL.Trojan.Nanobot

Status:

Malicious

First seen:

2020-05-25 06:35:44 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 31 (61.29%)

Threat level:

2/5

Verdict:

malicious

Label(s):

nanocorerat

agenttesla

hawkeyekeylogger

NanoCore

3874eba497e0b61949d0772430ce1df420e28777dba850a6033295212e9de9c5

NanoCore

49ad0ed3bf58f6bec614955067d2a6ae9a19825412ed6f6e851973d5d809293f

NanoCore

5901a8e4a36574b8ca6cb3c899e64cdfc27395de606cd4a512431e6dd827196f

NanoCore

5e4da067908b56292fc2595a72378a091feccd8090b6ba186db4287c94a68680

NanoCore

c1c841ab92fcc7f486280ba17d8e08dfd8626c2b7adad80bc83bd27794dde5e6

NanoCore

c23c89b1eef1a1ed19bf6341ba8c599868bbd1150588afb0c6c71c8848ce0271

NanoCore

cc829675a0e11138d47b42b5c19e45403d7d73731aac0c97ca8b2a0e37a960f8

NanoCore

d4d803a83e2c4c348972b6b8e5fce93416b0c60977a447818f592795505fdff1

NanoCore

eddb02f1d6ecdcfb30630930e91c51d05d71e18b348c4e3ef2f6a84d2895ba6d

NanoCore

+ 11'800 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:agenttesla family:nanocore agilenet evasion keylogger persistence spyware stealer trojan upx

Link:

https://tria.ge/reports/201109-h7mvbnhw1a/

Behaviour

NTFS ADS

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious behavior: SetClipboardViewer

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Modifies service

Suspicious use of SetThreadContext

Adds Run key to start application

Checks whether UAC is enabled

Drops startup file

Loads dropped DLL

Obfuscated with Agile.Net obfuscator

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Executes dropped EXE

UPX packed file

AgentTesla Payload

AgentTesla

NanoCore

Malware Config

C2 Extraction:

philbillibilli.duckdns.org:1177
donphilongz.org:1177

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:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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

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

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/