MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f0bab188c5eb456ce6af0e1f9b395ff94dca39d47fa4a61c021a53e1be39a7c. 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: 2f0bab188c5eb456ce6af0e1f9b395ff94dca39d47fa4a61c021a53e1be39a7c
SHA3-384 hash: 3be3aed699084105218fd8ce868bafe8f04c6bcd9797f0f0b07250d1cdc900bae428a167a140da0861ca2c45308a2196
SHA1 hash: 981858fd3979223f0dc92950623482d0419d5270
MD5 hash: f57d3ad1ae8024bd5a464ab7715286d4
humanhash: oregon-muppet-timing-indigo
File name:BISSELL INT - PO#200513DCC025R-1.exe
Download: download sample
Signature NanoCore
File size:531'456 bytes
First seen:2020-08-05 16:07:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:MP3SCz45EaQRO6pFqrl6vutzSOlOgrxrDIgrpiAe:4z45yFnutztOgr5JQAe
Threatray 1'170 similar samples on MalwareBazaar
TLSH 8CB49C00E29CDB26DDF856BBD158F5F003756DE2E91EDA6369C17CA632B2B40C134B86
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: [37.49.229.235]
Sending IP: 37.49.229.235
From: Angeles Ureta <angeles.ureta@airesgifts.cl>
Subject: BISSELL INTERNATIONAL - PO#200513DCC025R-1
Attachment: BISSELL INT - PO200513DCC025R-1.Z (contains "BISSELL INT - PO#200513DCC025R-1.exe")

NanoCore RAT C2:
jbbalboamonark.ddns.net:29890 (91.192.100.25)

Pointing to nVpn:

% Information related to '91.192.100.1 - 91.192.100.63'

% Abuse contact for '91.192.100.1 - 91.192.100.63' is 'abuse@privacyfirst.sh'

inetnum: 91.192.100.1 - 91.192.100.63
netname: LIBERTAS_NETWORK
remarks: ----------------------------------------------
remarks: Libertas Network is a VPN service provider.
remarks: We have a strict non-logging policy, therefore
remarks: we don't record any logs on our servers.
remarks: ----------------------------------------------
country: CH
admin-c: LNAD1-RIPE
org: ORG-LNVS1-RIPE
tech-c: LNAD1-RIPE
status: ASSIGNED PA
mnt-by: MNT-DA327
created: 2019-12-12T08:51:11Z
last-modified: 2020-02-10T07:01:46Z
source: RIPE

Intelligence


File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
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)
Initial sample is a PE file and has a suspicious name
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 16:09:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetThreadContext
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
jbbalboamonark.ddns.net:29890
91.192.100.25:29890
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 2f0bab188c5eb456ce6af0e1f9b395ff94dca39d47fa4a61c021a53e1be39a7c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments