MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927. 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: 7

Intelligence 7 IOCs YARA 5 File information Comments

SHA256 hash:	c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927
SHA3-384 hash:	7d47245439c80e200c8a6f69aaceb293c49b080f71570201f6d8ac14d7198da47e05a8d576fab07c8a9adefeff636a75
SHA1 hash:	c350b9a2440d22e06be935f0a1cfb77ffbed1a91
MD5 hash:	6e5f9932b1fee1d502a80fecefde9ddb
humanhash:	ack-johnny-alanine-fish
File name:	PO 9377284.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	398'848 bytes
First seen:	2020-08-18 10:24:12 UTC
Last seen:	2020-08-18 10:25:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	6144:WoiFkn5ur5l8x63oc3Rvd8v0wyMp4v5hBJTbbpBwZvi0Zp5xM:EFkArMA4+8v/2Dah5x
Threatray	1'208 similar samples on MalwareBazaar
TLSH	0D84E11C3624F68FE86F8C7598A54D3097B032AB6347F2678D4399D8A61D6E2CF104F6
Reporter	cocaman
Tags:	exe NanoCore

Intelligence

File Origin

# of uploads :

# of downloads :

115

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/47678/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.405.29795.4823.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Creating a file

Creating a file in the %AppData% subdirectories

Creating a file in the Program Files subdirectories

Using the Windows Management Instrumentation requests

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Sending a TCP request to an infection source

Enabling autorun by creating a file

Unauthorized injection to a system process

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927/

Threat name:

ByteCode-MSIL.Backdoor.NanoCore

Status:

Malicious

First seen:

2020-08-18 09:29:39 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 29 (86.21%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zfjcwijduxa5m6asl7wk7rzc7awunqez63a4xtfgxfocseitbetq._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

NanoCore

673aa6ede02270b33f4a7058ec4e31eabd688ca4c75037ed4a7f92470a42a271

NanoCore

7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a

NanoCore

87f55f5b616401b8f1e43bd3f56b5d55fa4ca3e6e9c878260702f63020042079

NanoCore

8ae81522b85b942557d654bd85f719d2a8b539106e787c451f0d2856effc6ca4

NanoCore

ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8

NanoCore

af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5

NanoCore

b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835

NanoCore

f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5

NanoCore

+ 1'198 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

persistence keylogger trojan stealer spyware family:nanocore

Link:

https://tria.ge/reports/200818-fpqtsfxwj6/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

NanoCore

Malware Config

C2 Extraction:

185.244.30.107:1985

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:	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/