MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d273cc0da43feffe12b225bd5a7e5942d376296f74cae9fb942240a035e06c6a. 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 1 YARA 6 File information Comments 1

SHA256 hash:	d273cc0da43feffe12b225bd5a7e5942d376296f74cae9fb942240a035e06c6a
SHA3-384 hash:	c2fbecbdd9a6c96c596b658fdbb49a657ae6b4ba18134ffd88ac1d18c848f7a97f3245c4255bd3d38d9d13dcb352d0a0
SHA1 hash:	0601b0da0af91c724e7e90ebdb56a7b634511b85
MD5 hash:	eb474c921d77d2c31fd3ae570ea5dc13
humanhash:	vegan-april-freddie-maryland
File name:	DOC090321-0903201154919,pdf.exe
Download:	download sample
Signature	NanoCore Create hunting rule
File size:	403'295 bytes
First seen:	2021-04-21 03:45:48 UTC
Last seen:	2021-04-21 04:55:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 63 x GuLoader, 54 x Loki)
ssdeep	12288:/PA6zL63rZ424OyR8KoZ2IEU091LdsIQg:/Ph+Z424OuLLIPsmIQg
Threatray	2'126 similar samples on MalwareBazaar
TLSH	3A842282A7949CB7CCFEA97105BBC7374BFBE4792060A6178B10AE45E61F2D3491F910
Reporter	abuse_ch
Tags:	exe NanoCore RAT

abuse_ch

NanoCore C2:
79.134.225.7:4967

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
79.134.225.7:4967	https://threatfox.abuse.ch/ioc/6026/

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

n/a

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

DOC090321-0903201154919,pdf.exe

Verdict:

Malicious activity

Analysis date:

2021-04-21 03:54:53 UTC

Tags:

rat nanocore trojan

Link:

https://app.any.run/tasks/655170da-6900-4fbd-8bb5-34bc6cdf8e52

Note:

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

Detection:

NanoCore

Link:

https://www.capesandbox.com/analysis/141461/

Detection(s):

SecuriteInfo.com.Troj.Kryptik-VJ.23295.18429.UNOFFICIAL

Result

Verdict:

Clean

Maliciousness:

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/d273cc0da43feffe12b225bd5a7e5942d376296f74cae9fb942240a035e06c6a/

Threat name:

Win32.Backdoor.NanoBot

Status:

Malicious

First seen:

2021-04-21 01:33:57 UTC

AV detection:

18 of 29 (62.07%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2jz4ydneh7x74evsew6vu7sziljxmklpotfot64uejakanpanrva._file

Verdict:

malicious

Label(s):

nanocorerat

NanoCore

4d394ed696ee7fb3d53a7b064c53f2157b28d9f192de912fe311dd284845e4c9

NanoCore

52b5f2f95b1200b20a6f3adfcb93c6f87713155f83176dede353ee158c7c1b63

NanoCore

8551c05301b50a17763637cca7f291a6b779c82f16275f734e793f6a0e7e1a17

NanoCore

be86e9fd2d5913526b7cea3bec1ad8c84acea8cab73ea78414e6317565f3079b

NanoCore

cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d

NanoCore

e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642

NanoCore

e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed

NanoCore

e9c3fc00ddb08ef196d05b56ce0c83c04381de42e8777e902e3e9c7afe4a9f11

NanoCore

f29b0b35d584de9410f3ffe75e8e4dbc6d90ecbc6f2c4d9382d8faf33e88d80b

NanoCore

+ 2'116 additional samples on MalwareBazaar

Result

Malware family:

nanocore

Score:

10/10

Tags:

family:nanocore evasion keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/210421-7cjxc4tnya/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Drops file in Program Files directory

Suspicious use of SetThreadContext

Adds Run key to start application

Checks whether UAC is enabled

Loads dropped DLL

NanoCore

Malware Config

C2 Extraction:

marstonstyl247.ddns.net:4967

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

Threat name:

Nanocore

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/d273cc0da43feffe12b225bd5a7e5942d376296f74cae9fb942240a035e06c6a

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/

Rule name:	win_nanocore_w0 Create hunting rule
Author:	Kevin Breen <kevin@techanarchy.net>

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/141461/

Comments

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a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-21 04:10:26 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0045] File System Micro-objective::Copy File
5) [C0046] File System Micro-objective::Create Directory
6) [C0048] File System Micro-objective::Delete Directory
7) [C0047] File System Micro-objective::Delete File
8) [C0049] File System Micro-objective::Get File Attributes
9) [C0051] File System Micro-objective::Read File
10) [C0050] File System Micro-objective::Set File Attributes
11) [C0052] File System Micro-objective::Writes File
12) [E1510] Impact::Clipboard Modification
13) [C0034.001] Operating System Micro-objective::Set Variable::Environment Variable
14) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
15) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
16) [C0036.007] Operating System Micro-objective::Delete Registry Value::Registry
17) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
18) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
19) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
20) [C0036.001] Operating System Micro-objective::Set Registry Key::Registry
21) [C0017] Process Micro-objective::Create Process
22) [C0038] Process Micro-objective::Create Thread
23) [C0018] Process Micro-objective::Terminate Process