MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02fe381d3b36a7bf7f8b25f3a6ce41eeee9027c73e5e190f59a0c5e6c7199ac0. 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: 8

Intelligence 8 IOCs 1 YARA 4 File information Comments

SHA256 hash:	02fe381d3b36a7bf7f8b25f3a6ce41eeee9027c73e5e190f59a0c5e6c7199ac0
SHA3-384 hash:	25bd6a9d67a9f38f93d0d1b3fbf2d9d756f02e3846a9bc84394ac602151dbb1d98848494be3bc03889474ea35bca34f9
SHA1 hash:	8cc0559935cf522051f8dd1b8979ab0325cc52bc
MD5 hash:	db8823709e7d45dea9988bbb950a9a0b
humanhash:	social-uncle-uranus-hot
File name:	DHL#DOCUMENTS02010910.PDF.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	275'968 bytes
First seen:	2021-05-31 09:46:04 UTC
Last seen:	2021-05-31 10:37:28 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'643 x Formbook, 12'245 x SnakeKeylogger)
ssdeep	6144:U5SVZCrUYONO1JYdakjvPBgaG/xweYyv7c+ZSQKpbD6UF:/j/jNOTrkjZgj6e3h52D6UF
Threatray	70 similar samples on MalwareBazaar
TLSH	4B4412827BE413ECE5A50535BC3B572111336D25C6BA5B8BB29C720DCB73314E960B9E
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

NanoCore C2:
23.105.131.142:2092

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
23.105.131.142:2092	https://threatfox.abuse.ch/ioc/40671/

Intelligence

File Origin

# of uploads :

# of downloads :

148

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DHL#DOCUMENTS02010910.PDF.exe

Verdict:

No threats detected

Analysis date:

2021-05-31 09:49:11 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/02bcc8e2-4ee8-4ad4-a735-9cb018c0827c

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/163398/

Detection(s):

SecuriteInfo.com.Variant.MSIL.Lynx.44.17519.24707.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

Behaviour

Sending a UDP request

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

Nanocore

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/794602

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

C2 URLs / IPs found in malware configuration

Creates an undocumented autostart registry key

Detected Nanocore Rat

Executable has a suspicious name (potential lure to open the executable)

Found malware configuration

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 domain / URL

Sigma detected: NanoCore

Sigma detected: Suspicious Process Start Without DLL

Sigma detected: WScript or CScript Dropper

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

Uses an obfuscated file name to hide its real file extension (double extension)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected Nanocore RAT

Behaviour

Behavior Graph:

Download SVG

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/02fe381d3b36a7bf7f8b25f3a6ce41eeee9027c73e5e190f59a0c5e6c7199ac0/

Threat name:

ByteCode-MSIL.Trojan.Lynx

Status:

Malicious

First seen:

2021-05-31 09:46:09 UTC

AV detection:

10 of 44 (22.73%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=al7dqhj3g2t3674lexz2ntsb53xjaj6hhzpbsd2zudc6nryztlaa._file

Verdict:

suspicious

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger spyware stealer trojan

Link:

https://tria.ge/reports/210531-nl384h95zs/

Behaviour

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks whether UAC is enabled

Loads dropped DLL

Executes dropped EXE

NanoCore

Malware Config

C2 Extraction:

23.105.131.142:2092
startedhere.ddns.net:2092

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/02fe381d3b36a7bf7f8b25f3a6ce41eeee9027c73e5e190f59a0c5e6c7199ac0

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:	INDICATOR_EXE_Packed_SmartAssembly Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with SmartAssembly

Rule name:	INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu Create hunting rule
Author:	ditekSHen
Description:	Detect executables with stomped PE compilation timestamp that is greater than local current time

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape

https://www.capesandbox.com/analysis/163398/

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