MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d66e25ef6e9edfefee476cc8d967809bfebe8f5751c641b13bcdb99b768b754. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2d66e25ef6e9edfefee476cc8d967809bfebe8f5751c641b13bcdb99b768b754
SHA3-384 hash: e698cdb0bbe5ee0807401153294f32debdc4094095c67763906792866f9b0d2c2bf67eaf33071eff6ce1f31481177576
SHA1 hash: 3d0bfae4371c70659869e9911c0e55052d61fa0c
MD5 hash: 65ed5babc4fae254eb765daf211ca416
humanhash: xray-skylark-hotel-speaker
File name:65ed5babc4fae254eb765daf211ca416.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'243'648 bytes
First seen:2020-12-09 10:14:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:dsLRRAGlEDgndMtnhEyY4YoAc5nJf3Xp72ugafC:YRhlEJphEY1TnJf3Xp7TC
Threatray 1'406 similar samples on MalwareBazaar
TLSH 1C45BF355FA8163AF57BAB3CC5B02441A7EE7B937713C96C29B501C90723A42DAE1339
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
NanoCore RAT C2:
vremenew.ddns.net:83 (79.134.225.12)

Pointing to nVpn:

% 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 :
1
# of downloads :
169
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://198.12.125.17/new.exe
Verdict:
Malicious activity
Analysis date:
2020-12-09 12:30:21 UTC
Tags:
loader rat nanocore
Link:
https://app.any.run/tasks/eb188014-44f7-44e0-bcf6-c4452c5fcb0a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/107399/
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.tc.28444.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Nanocore AveMaria MailPassView
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/558812
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
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 dynamic DNS services
Yara detected AntiVM_3
Yara detected AveMaria stealer
Yara detected MailPassView
Yara detected Nanocore RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 328502 Sample: J0jmA118SW.exe Startdate: 09/12/2020 Architecture: WINDOWS Score: 100 36 g.msn.com 2->36 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Multi AV Scanner detection for dropped file 2->48 50 14 other signatures 2->50 8 J0jmA118SW.exe 14 2->8         started        12 dhcpmon.exe 8 2->12         started        signatures3 process4 file5 28 C:\Users\user\AppData\...\J0jmA118SW.exe.log, ASCII 8->28 dropped 60 Injects a PE file into a foreign processes 8->60 14 J0jmA118SW.exe 1 15 8->14         started        19 dhcpmon.exe 2 12->19         started        21 dhcpmon.exe 12->21         started        signatures6 process7 dnsIp8 38 79.134.225.12, 49725, 83 FINK-TELECOM-SERVICESCH Switzerland 14->38 40 vremenew.ddns.net 198.12.125.17, 49717, 49718, 49721 AS-COLOCROSSINGUS United States 14->40 30 C:\Program Files (x86)\...\dhcpmon.exe, PE32 14->30 dropped 32 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 14->32 dropped 34 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 14->34 dropped 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->42 23 vbc.exe 1 14->23         started        26 vbc.exe 13 14->26         started        file9 signatures10 process11 signatures12 52 Tries to steal Mail credentials (via file registry) 23->52 54 Tries to steal Instant Messenger accounts or passwords 23->54 56 Tries to steal Mail credentials (via file access) 23->56 58 Tries to harvest and steal browser information (history, passwords, etc) 26->58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2d66e25ef6e9edfefee476cc8d967809bfebe8f5751c641b13bcdb99b768b754/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-12-09 10:15:08 UTC
AV detection:
30 of 48 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fvtoexxw5hw757xeo3gi3ftybg76x2hvouogigytxtnztn3iw5ka._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
182c0e87117b2763f638ace1294239a1e6f779a293257d9f843365a77f9cb369
NanoCore
42ea844a6aeb6c01de060355e8333242f71553498514ca1bf7d4af32bb90803e
NanoCore
47f2e01332f2352960848114607310d9bb23caff5a8de7d67f9e2ed7fc6944b9
NanoCore
50f76b94939c88cbaec0cba4f365b82c2cc6a910196b025f3fbf65b6a4c476bb
NanoCore
5b6756a73d090b80c41d33d5de5ade286cfb3d5fe6a2efac8266a98c3fd0de22
NanoCore
6fdc8ad458c5b60a15774baef1acff96af05216b279754c5188c63ee542a82fe
NanoCore
732af876d4a5f421064389d615971a380c530252032d40651f058dde13798693
NanoCore
b7000ac571c057d5eeed8c6cc904674b067ddd0a5a9cd6843669efe0667baa17
NanoCore
c3aee1fdb1ad07ad47d1d99fad5c228d6116ffc2289273b30dd60ce81746e607
NanoCore
d9b101865845e0f306ea5a614ae9b1e1da8f674e5102ddfb7a5a6385d1cd70f7
NanoCore
+ 1'396 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201209-zazvb7fr7e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Reads user/profile data of web browsers
Uses the VBS compiler for execution
NanoCore
Malware Config
C2 Extraction:
vremenew.ddns.net:83
79.134.225.12:83
Unpacked files
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
Link:
https://www.unpac.me/results/3f9764ad-183f-4345-9fd4-23f784e4592b/
SH256 hash:
2d66e25ef6e9edfefee476cc8d967809bfebe8f5751c641b13bcdb99b768b754
MD5 hash:
65ed5babc4fae254eb765daf211ca416
SHA1 hash:
3d0bfae4371c70659869e9911c0e55052d61fa0c
Link:
https://www.unpac.me/results/3f9764ad-183f-4345-9fd4-23f784e4592b/
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/2d66e25ef6e9edfefee476cc8d967809bfebe8f5751c641b13bcdb99b768b754

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.

Web download

NanoCore

Executable exe 2d66e25ef6e9edfefee476cc8d967809bfebe8f5751c641b13bcdb99b768b754

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/107399/
  
URLhaus
https://urlhaus.abuse.ch/url/898899/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/896331/
  
URLhaus
https://urlhaus.abuse.ch/url/896332/
  
URLhaus
https://urlhaus.abuse.ch/url/898906/

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