MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97ceecc6a795a50bfc6238ebe7222f87f77de9348ee7a3c32f2f27bcdf68be4f. 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 YARA 5 File information Comments

SHA256 hash: 97ceecc6a795a50bfc6238ebe7222f87f77de9348ee7a3c32f2f27bcdf68be4f
SHA3-384 hash: c806838caedd750edf8a2e6dedcfbccae5a95c0d567400be243dd8387c9975d6ae0d4532000580c2a6e44b5ff186df0a
SHA1 hash: 8b8ef2466962a8c49ac3370cd34467b9db4eb26e
MD5 hash: 113dc93124f6b50531ff3c54ec5d2cda
humanhash: violet-cardinal-hot-texas
File name:IITuGuCnGifznoN.exe
Download: download sample
Signature NanoCore
File size:450'560 bytes
First seen:2020-08-14 12:20:31 UTC
Last seen:2020-08-14 12:55:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:JZr1QJHTnxL4XUhaC//SS2aJjw2mYDZ2rKc7S2iG9LdcdVMt9i0rG6lioY+cJCsG:JZr1QJTxLf5RTHDkrVBC8lG6li5J9/H
Threatray 1'070 similar samples on MalwareBazaar
TLSH A4A4E021A6099F92E53C537C8724594003F7AC0E9333DA59BFEB23DA1573BA14B72A17
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: cloud-1bdf0b.managed-vps.net
Sending IP: 78.128.43.156
From: Valk Machines BV <info@brtglobalscrap.com>
Subject: Request For Machine Quotations
Attachment: Valk Machines BV.img (contains "IITuGuCnGifznoN.exe")

NanoCore RAT C2:
194.5.97.7:21600

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@kgb-vpn.org'

inetnum: 194.5.97.0 - 194.5.97.255
netname: NET-NINAZU
remarks: ------------------------------------------
remarks: * This network is used for a VPN service.
remarks: * No logs are stored in any shape or form.
remarks: ------------------------------------------
country: EU
admin-c: NVS100-RIPE
tech-c: NVS100-RIPE
org: ORG-NVS2-RIPE
mnt-by: NINAZU-MNT
status: SUB-ALLOCATED PA
created: 2018-07-23T09:31:45Z
last-modified: 2020-08-02T13:13:48Z
source: RIPE

Intelligence


File Origin
# of uploads :
2
# of downloads :
129
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected Nanocore Rat
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: NanoCore
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267332 Sample: IITuGuCnGifznoN.exe Startdate: 16/08/2020 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Sigma detected: Scheduled temp file as task from temp location 2->52 54 9 other signatures 2->54 7 IITuGuCnGifznoN.exe 7 2->7         started        11 dhcpmon.exe 5 2->11         started        process3 file4 30 C:\Users\user\AppData\Roaming\gpDpFdxgP.exe, PE32 7->30 dropped 32 C:\Users\...\gpDpFdxgP.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp9E3C.tmp, XML 7->34 dropped 36 C:\Users\user\...\IITuGuCnGifznoN.exe.log, ASCII 7->36 dropped 56 Injects a PE file into a foreign processes 7->56 13 IITuGuCnGifznoN.exe 1 11 7->13         started        18 schtasks.exe 1 7->18         started        20 schtasks.exe 1 11->20         started        22 dhcpmon.exe 2 11->22         started        24 dhcpmon.exe 11->24         started        signatures5 process6 dnsIp7 44 127.0.0.1 unknown unknown 13->44 46 194.5.97.7, 21600, 49727, 49732 DANILENKODE Netherlands 13->46 38 C:\Program Files (x86)\...\dhcpmon.exe, PE32 13->38 dropped 40 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 13->40 dropped 42 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 13->42 dropped 58 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->58 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.LokiSteal
Status:
Malicious
First seen:
2020-08-14 12:22:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
194.5.97.7:21600
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_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 97ceecc6a795a50bfc6238ebe7222f87f77de9348ee7a3c32f2f27bcdf68be4f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments