MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcfbd97a36604b87573118a94eb16adfa19d2d13f731565120b6f17a6845dda7. 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: 10


Intelligence 10 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcfbd97a36604b87573118a94eb16adfa19d2d13f731565120b6f17a6845dda7
SHA3-384 hash: b370ff809382efbafc97684653719e85929e23d3e7efbfda8150856bb8a16f95c6ddc7b0c7842ee6ecc1d6e041202855
SHA1 hash: c6dc3182f9b7000d99c1b1055e32bb9a800887d6
MD5 hash: ba68f5428619cf1da97b225983d6930c
humanhash: emma-nitrogen-seventeen-florida
File name:NEW ORDER.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:482'816 bytes
First seen:2020-08-19 11:32:50 UTC
Last seen:2020-08-19 12:45:41 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:UnXZL94IaxPOi9YuKGreW+ZE+tTm8hopytWnnhN3Hx9s0gd8bf:UXl94IaHquKenQE+tKfytWnTR9h5bf
Threatray 1'094 similar samples on MalwareBazaar
TLSH 99A412136A28AF36F65C6BBC02711107A7F6D1269723DB2FBFC9908E2557F4183C0A59
Reporter abuse_ch
Tags:Endurance exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: 162-241-214-233.unifiedlayer.com
Sending IP: 162.241.214.233
From: roadtriip25@gmail.com
Subject: NEW ORDER
Attachment: NEW ORDER.ARJ (contains "NEW ORDER.exe")

NanoCore RAT C2:
79.134.225.84:1985

Hosted on nVpn:
% Information related to '79.134.225.0 - 79.134.225.127'

% Abuse contact for '79.134.225.0 - 79.134.225.127' is 'abuse@privacyfirst.sh'

inetnum: 79.134.225.0 - 79.134.225.127
netname: PRIVACYFIRST-EU
country: EU
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.
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
status: ASSIGNED PA
mnt-by: AF15-MNT
org: ORG-TPP6-RIPE
created: 2020-07-14T15:26:02Z
last-modified: 2020-07-14T15:31:06Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48464/
Detection(s):
SecuriteInfo.com.Trojan.Nanocore.567.1349.9125.UNOFFICIAL
Create hunting rule

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
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
Nanocore MailPassView
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/437738
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Detected Nanocore Rat
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected MailPassView
Yara detected Nanocore RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 271378 Sample: NEW ORDER.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Sigma detected: Scheduled temp file as task from temp location 2->47 49 13 other signatures 2->49 7 NEW ORDER.exe 7 2->7         started        11 dhcpmon.exe 4 2->11         started        process3 file4 29 C:\Users\user\AppData\...\imSHfVbPQN.exe, PE32 7->29 dropped 31 C:\Users\...\imSHfVbPQN.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp80BB.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...35EW ORDER.exe.log, ASCII 7->35 dropped 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 61 Injects a PE file into a foreign processes 7->61 13 RegSvcs.exe 1 13 7->13         started        18 schtasks.exe 1 7->18         started        20 conhost.exe 11->20         started        signatures5 process6 dnsIp7 41 79.134.225.84, 1985, 49726 FINK-TELECOM-SERVICESCH Switzerland 13->41 37 C:\Users\user\AppData\Roaming\...\run.dat, data 13->37 dropped 39 C:\Program Files (x86)\...\dhcpmon.exe, PE32 13->39 dropped 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->63 22 vbc.exe 1 13->22         started        25 vbc.exe 13 13->25         started        27 conhost.exe 18->27         started        file8 signatures9 process10 signatures11 51 Tries to steal Mail credentials (via file registry) 22->51 53 Tries to steal Instant Messenger accounts or passwords 22->53 55 Tries to steal Mail credentials (via file access) 22->55
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcfbd97a36604b87573118a94eb16adfa19d2d13f731565120b6f17a6845dda7/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-18 22:07:00 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7t55s6rwmbfyovzrdcuu5mlk36qz2lit64yvmujaw3yxu2cf3wtq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 1'084 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/200819-c1l3fzv2ba/
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
NanoCore
Malware Config
C2 Extraction:
79.134.225.84:1985
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/fcfbd97a36604b87573118a94eb16adfa19d2d13f731565120b6f17a6845dda7

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_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.

Malspam

NanoCore

arj 815d5c396e67aecee6bea944a3e5bbe10f99fa9d1683b9a26f6674bd1557222a

NanoCore

Executable exe fcfbd97a36604b87573118a94eb16adfa19d2d13f731565120b6f17a6845dda7

(this sample)

  
Dropped by
MD5 a2e29705690fe0d5b4e30fdec8b3c16e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48464/
  
Dropped by
SHA256 815d5c396e67aecee6bea944a3e5bbe10f99fa9d1683b9a26f6674bd1557222a

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