MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f78baea8cd0a3e4803ae1432b39a2d24d6fdda6e1ace1c8e78f6908a4f63d099. 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: f78baea8cd0a3e4803ae1432b39a2d24d6fdda6e1ace1c8e78f6908a4f63d099
SHA3-384 hash: a1aaf7d6bd53e4331d847c7cd8672cc3aa49579fe5036a386c30d030e11a8ef6d785e2101f7a3caf373ac4b6afefd77c
SHA1 hash: 38c07fcfabb41a375654e4bfeb3fc96bcc34045b
MD5 hash: 31279d0b66a65742167d57c8a3a8b878
humanhash: snake-papa-tango-washington
File name:SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe
Download: download sample
Signature NanoCore
File size:389'120 bytes
First seen:2020-10-26 14:00:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 6144:lFmjXHI5zMWniYyhvxNCGcPyGvq/aojxjldFCKWePgek0jU3OE7yw6e1yed2yYk:+XIpizvXCGc5vq/aojxjldcKhPdkoUNj
Threatray 1'200 similar samples on MalwareBazaar
TLSH 97841213FEA48F85CAB82BF561D226210BF5613B5426D74C9CC124CB2DB2F968641F7B
Reporter abuse_ch
Tags:exe NanoCore nVpn Outlook RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: APC01-PU1-obe.outbound.protection.outlook.com
Sending IP: 40.92.254.107
From: pukhao pk <pukhao_pk@hotmail.com>
Subject: PURCHASE ORDER FROM SCCO CO.,LTD, Kuwait
Attachment: SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.xz (contains "SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe")

NanoCore RAT C2:
194.5.97.47:54001

Hosted on nVpn:

% Information related to '194.5.97.0 - 194.5.97.255'

% Abuse contact for '194.5.97.0 - 194.5.97.255' is 'abuse@privacyfirst.sh'

inetnum: 194.5.97.0 - 194.5.97.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-UK5
country: GB
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
mnt-by: PRIVACYFIRST-MNT
status: SUB-ALLOCATED PA
created: 2018-07-23T09:31:45Z
last-modified: 2020-08-26T17:48:55Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Binary contains a suspicious time stamp
Detected Nanocore Rat
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305128 Sample: SCCO CO.,LTD 10-26-2020-677... Startdate: 26/10/2020 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Malicious sample detected (through community Yara rule) 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 7 other signatures 2->47 9 SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe 3 2->9         started        11 SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe 2 2->11         started        process3 signatures4 14 cmd.exe 1 9->14         started        49 Injects a PE file into a foreign processes 11->49 17 SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe 11->17         started        process5 signatures6 53 Suspicious powershell command line found 14->53 19 powershell.exe 3 18 14->19         started        21 conhost.exe 14->21         started        23 timeout.exe 1 14->23         started        process7 process8 25 SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe 3 19->25         started        27 wscript.exe 19->27         started        signatures9 30 SCCO CO.,LTD 10-26-2020-67728919828737728292827389292u38.exe 9 25->30         started        51 Drops PE files to the startup folder 27->51 process10 dnsIp11 37 194.5.97.47, 49718, 54001 DANILENKODE Netherlands 30->37 35 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 30->35 dropped 39 Hides that the sample has been downloaded from the Internet (zone.identifier) 30->39 file12 signatures13
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2020-10-26 05:52:20 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
194.5.97.47:54001
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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
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
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.

Malspam

NanoCore

Executable exe f78baea8cd0a3e4803ae1432b39a2d24d6fdda6e1ace1c8e78f6908a4f63d099

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments