MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
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SHA256 hash: 3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f
SHA3-384 hash: fb499fc428d12c36389713e0359a57a8172c0cc9921a475073974060b6a4c93d4d2a0af451d3597699c7646a3d7f56af
SHA1 hash: b386ee8a5faa3890d34916be7dacb8ae164ebbaa
MD5 hash: 7b53dd81534cbd1e8ab438f308818644
humanhash: bravo-johnny-oscar-utah
File name:Document#20014464370.pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'007'616 bytes
First seen:2021-01-14 16:00:51 UTC
Last seen:2021-01-14 18:12:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 12288:MN5NNeuVJ+toczDNj6u3HpTkJ23d9ZSn9VtchtS:i5NsuVncPNjFHpAIZSnbaht
Threatray 40 similar samples on MalwareBazaar
TLSH F625D441F787CA85C5B130BB96C5D63E13C6EDDB1700C5961748BA2AB4FF2C11E8E68A
Reporter abuse_ch
Tags:exe NanoCore nVpn RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: vps.osmispee.com
Sending IP: 45.85.90.199
From: alicust7<office@osmispee.com>
Subject: Shipping Documents // 20014464370=949379074856
Attachment: Document20014464370.pdf.rar (contains "Document#20014464370.pdf.exe")

NanoCore RAT C2:
fenixalec.ddns.net:20911 (185.162.88.26)

Pointing to nVpn:

% Information related to '185.162.88.0 - 185.162.88.255'

% Abuse contact for '185.162.88.0 - 185.162.88.255' is 'abuse@privacyfirst.sh'

inetnum: 185.162.88.0 - 185.162.88.255
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-UK2
country: GB
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-10-04T21:54:06Z
last-modified: 2020-10-07T21:33:04Z
source: RIPE

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Document#20014464370.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-14 16:03:58 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/69fdbade-f735-474e-8c94-15b12a9df421

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/112002/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.505.16959.19529.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Verdict:
MALICIOUS
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/581477
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 339776 Sample: Document#20014464370.pdf.exe Startdate: 14/01/2021 Architecture: WINDOWS Score: 100 37 185.162.88.26:2091 unknown unknown 2->37 39 fenixalec.ddns.net 2->39 41 Found malware configuration 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 8 Document#20014464370.pdf.exe 5 2->8         started        signatures3 process4 file5 27 C:\Users\user\AppData\Roaming\hdbdgdvf.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\...\InstallUtil.exe, PE32 8->29 dropped 31 C:\Users\...\hdbdgdvf.exe:Zone.Identifier, ASCII 8->31 dropped 33 C:\Users\...\Document#20014464370.pdf.exe.log, ASCII 8->33 dropped 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->49 12 hdbdgdvf.exe 2 8->12         started        15 cmd.exe 1 8->15         started        signatures6 process7 signatures8 51 Multi AV Scanner detection for dropped file 12->51 53 Writes to foreign memory regions 12->53 55 Allocates memory in foreign processes 12->55 57 2 other signatures 12->57 17 InstallUtil.exe 6 12->17         started        21 conhost.exe 15->21         started        23 reg.exe 1 1 15->23         started        process9 dnsIp10 35 fenixalec.ddns.net 185.162.88.26, 20911, 49757, 49759 AS40676US Netherlands 17->35 25 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 17->25 dropped file11
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-01-14 10:15:02 UTC
AV detection:
16 of 46 (34.78%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gnqpo4qjykrklu4t536laiu7gqrq7itbdgno6k67c7un3ihpkqhq._file
Verdict:
unknown
Similar samples:
2d564ae361eb499ca493273e9fcfb88546105c88293c7633a7e1580a435cee9f
NanoCore
3864000bdce54306e787beb73fbb02642f7a539a2c255fc6e76dcbe2e685c733
NanoCore
3a4d839dd867042efff6cc03629ad9a7a4cc6ab55437891161b6fdc48af09cd1
NanoCore
75674ba2558d6fcf6d3992f09bd87aab282ea0b2d9bd01d6e0149a869506e3ce
NanoCore
91a31ae7de6c7cfa8123333cec0fb4ac9317b12e8b1ede01de97936c8ab82ed7
NanoCore
adedffa71c26b2855f85a6eba9f0415769efc743022f44a8f61c95b09b7dedf3
NanoCore
b93e5081bef10f47b8e037da155852225e10cb46b0bdbcab6d57a68364cb98da
NanoCore
c75e2b1752bd8221bd68fea21243915af2a92834a23d148a46e41b370badfd18
NanoCore
d0b62e121a89ba8e44b4b71a887dd80df1e4fc746dabc200854622e9ed1fa8cb
NanoCore
e1154377f15905cdb109d790a5c0232627861b7d560514aa3f110b8dd39645f8
NanoCore
+ 30 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/210114-164hhvlle2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
Executes dropped EXE
NanoCore
Malware Config
C2 Extraction:
185.162.88.26:20911
fenixalec.ddns.net:20911
Unpacked files
SH256 hash:
3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f
MD5 hash:
7b53dd81534cbd1e8ab438f308818644
SHA1 hash:
b386ee8a5faa3890d34916be7dacb8ae164ebbaa
Link:
https://www.unpac.me/results/5bcc4205-4564-4934-80a1-e9590cc00429/
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
Link:
https://www.unpac.me/results/5bcc4205-4564-4934-80a1-e9590cc00429/
SH256 hash:
4fbb56f5dc4e483df10bcd44d45bac4db5577be7ddf20a4e6c7957a5b271f0af
MD5 hash:
7f0eaa932643cecaa67e3cc6ed800ed6
SHA1 hash:
123360e62fb1d1e9e9f64b742cc2240041294752
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/5bcc4205-4564-4934-80a1-e9590cc00429/
Parent samples :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 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
Link:
https://www.unpac.me/results/5bcc4205-4564-4934-80a1-e9590cc00429/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f

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.

Malspam

NanoCore

rar a94289b46136b05dfc27b11fab3965422720e24624b199cbc6fedbd04f202a60

NanoCore

Executable exe 3360f77209c2a2a5d393eefcb0229f34230fa261199aef2bdf17e8dda0ef540f

(this sample)

  
Dropped by
MD5 3b612842f80ef071b601218c1cc52209
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/112002/
  
Dropped by
SHA256 a94289b46136b05dfc27b11fab3965422720e24624b199cbc6fedbd04f202a60

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