MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d406a7a9f53d855c09c085482979c935b2668db373e5809b7e48dedfb1206a9f. 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: 9

Intelligence 9 IOCs YARA 5 File information Comments

SHA256 hash:	d406a7a9f53d855c09c085482979c935b2668db373e5809b7e48dedfb1206a9f
SHA3-384 hash:	b116ec22d4b3aa7c98c772f0a86ab92ce4bffff71fb11cdd3db56414251bba2acd3e6118b97a72e457d95b13f68a3d71
SHA1 hash:	5b30e2296d80fb4d53bd63e255952e30ad18c31d
MD5 hash:	c8e4f84b78ebd0930e7902c87e61bcf1
humanhash:	sodium-oscar-island-georgia
File name:	Acknowledgment NEW ORDER.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	527'360 bytes
First seen:	2020-09-04 08:06:07 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	12288:aAI9VM5jxOra8Nd0KKDa82I6ORkAVn0ojBl1AYXno7:aXKiUWIFRXek+T7
TLSH	EDB4C0B592891F37D3BE7DFB800707AD42F18152F7B2EA4DDD9095C992817AA1312BC2
Reporter	cocaman
Tags:	exe NanoCore

Intelligence

File Origin

# of uploads :

# of downloads :

203

Origin country :

n/a

Vendor Threat Intelligence

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/55589/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Creating a file in the %AppData% subdirectories

DNS request

Connection attempt to an infection source

Enabling autorun by creating a file

Result

Threat name:

Nanocore

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/460034

Signature

.NET source code contains potential unpacker

Detected Nanocore Rat

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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

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

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AntiVM_3

Yara detected Nanocore RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/d406a7a9f53d855c09c085482979c935b2668db373e5809b7e48dedfb1206a9f/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-09-04 08:08:06 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2qdkpkpvhwcvycoaqvecs6ojgwzgndntopsybg36jdpn7mjankpq._file

Result

Malware family:

nanocore

Score:

10/10

Tags:

evasion trojan keylogger stealer spyware family:nanocore

Link:

https://tria.ge/reports/200904-8sp2w1p5ss/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Checks whether UAC is enabled

NanoCore

Malware Config

C2 Extraction:

evapimp.myq-see.com:1010

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/d406a7a9f53d855c09c085482979c935b2668db373e5809b7e48dedfb1206a9f

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:	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/