MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7c779d5d3483c74f637ad8275802bacd163c29f25ac25cd57c1df7efa98d278. 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 YARA 6 File information Comments

SHA256 hash:	f7c779d5d3483c74f637ad8275802bacd163c29f25ac25cd57c1df7efa98d278
SHA3-384 hash:	1351f96a642ac707f75ca2159cbc68f35bbb971454f7b8e9792a5f8c0a83f26dc7dcdacc32a3c6c518c41d4a04c4c47d
SHA1 hash:	02a0a653c87213f6b22c6bccf28bd30f8bbd8bde
MD5 hash:	9fd8acd70bc7869e8bd1cca0202c404e
humanhash:	freddie-nineteen-missouri-zulu
File name:	9fd8acd70bc7869e8bd1cca0202c404e.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	47'104 bytes
First seen:	2021-02-03 10:17:06 UTC
Last seen:	2021-02-03 12:21:51 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	768:Kx9c9pV25GMQaST6BhI/hSSQdcWBv9DEXZtzDds:CcrWhhx1N9Divm
Threatray	2 similar samples on MalwareBazaar
TLSH	6823194A6ABCB529C2A62B711C25F771372CA2315820CC09744AD34DFED15FF6CD9ACA
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

NanoCore RAT C2:
hsjbvxnzmk12.myftp.biz:2028

Intelligence

File Origin

# of uploads :

# of downloads :

129

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Invoice-30042020.doc

Verdict:

Malicious activity

Analysis date:

2021-02-03 07:22:48 UTC

Tags:

exploit CVE-2017-11882 loader rat nanocore

Link:

https://app.any.run/tasks/7a23ea92-82e6-40a3-b375-4a8c8f81e8c5

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/115280/

Detection(s):

SecuriteInfo.com.Variant.Bulz.339626.23130.30142.UNOFFICIAL

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Sending a UDP request

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

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:

Unknown

Detection:

malicious

Classification:

evad

Score:

60 / 100

Link:

https://www.joesandbox.com/analysis/597645

Signature

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Potential time zone aware malware

Behaviour

Behavior Graph:

Download SVG

Detection:

nanocore

Link:

https://mwdb.cert.pl/sample/f7c779d5d3483c74f637ad8275802bacd163c29f25ac25cd57c1df7efa98d278/

Threat name:

ByteCode-MSIL.Trojan.Wacatac

Status:

Malicious

First seen:

2021-02-03 03:13:05 UTC

AV detection:

18 of 45 (40.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=67dxtvotja6hj5rxvwbhlablvtiwhqu7ewwcltkxyhpx56uy2j4a._file

Verdict:

unknown

NanoCore

befc201977528c9d3362acfd8fecb519753e277d98a97273cb6a6cfbfafaf8c0

NanoCore

Result

Malware family:

n/a

Score:

10/10

Tags:

n/a

Link:

https://tria.ge/reports/210203-s7gagx7awe/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Program crash

Suspicious use of NtCreateProcessExOtherParentProcess

Unpacked files

SH256 hash:

f7c779d5d3483c74f637ad8275802bacd163c29f25ac25cd57c1df7efa98d278

MD5 hash:

9fd8acd70bc7869e8bd1cca0202c404e

SHA1 hash:

02a0a653c87213f6b22c6bccf28bd30f8bbd8bde

Link:

https://www.unpac.me/results/c98d4055-6db0-48eb-af6a-1473cc95ab03/

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

Threat name:

Suspicious File

Score:

0.35

Link:

https://yomi.yoroi.company/submissions/f7c779d5d3483c74f637ad8275802bacd163c29f25ac25cd57c1df7efa98d278

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 Create hunting rule
Author:	jeFF0Falltrades

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/