MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb19133e564f301e0b3bcba9f0cd81dd21ab65aaf5a4d506c29e70159b2c26bc. 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 1 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb19133e564f301e0b3bcba9f0cd81dd21ab65aaf5a4d506c29e70159b2c26bc
SHA3-384 hash: fab2c52f55773144a92daf790c1a45ad1d09c8bac2059a5d6be84a7c455d1b62c2d4625accd15ed6ac3eb24162bc64c2
SHA1 hash: 9e7bfc67a55d697ec2dc7779737e4bc4793fcce8
MD5 hash: 0d646c6e6c2666f24b9e65cd1322fa86
humanhash: six-diet-sink-berlin
File name:0d646c6e6c2666f24b9e65cd1322fa86.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:660'992 bytes
First seen:2021-04-03 17:25:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:g+ypiJiXkDlozjKC1qvJIPaMoXdZZssj0TKk92NRZ9IuR:gxKozWC1qvJLXdwQ0592NRZ9n
Threatray 1'743 similar samples on MalwareBazaar
TLSH 32E4EF63030C69C3D368A1B6C4940141C2F8CE4A6923E7C93CF4B5E765F5BC6679AB7A
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.7:6060

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.7:6060 https://threatfox.abuse.ch/ioc/6664/

Intelligence

File Origin
# of uploads :
1
# of downloads :
308
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0d646c6e6c2666f24b9e65cd1322fa86.exe
Verdict:
Malicious activity
Analysis date:
2021-04-03 17:28:19 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/40f95757-e3b3-445d-b0ad-45a5ddb5f903

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/132020/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.623-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/665125
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
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
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)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 381486 Sample: hbvo9thTAX.exe Startdate: 03/04/2021 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Malicious sample detected (through community Yara rule) 2->68 70 16 other signatures 2->70 7 hbvo9thTAX.exe 7 2->7         started        11 dhcpmon.exe 2->11         started        process3 file4 46 C:\Users\user\AppData\...\QeANuFTFqbK.exe, PE32 7->46 dropped 48 C:\Users\...\QeANuFTFqbK.exe:Zone.Identifier, ASCII 7->48 dropped 50 C:\Users\user\AppData\Local\...\tmpABAD.tmp, XML 7->50 dropped 52 C:\Users\user\AppData\...\hbvo9thTAX.exe.log, ASCII 7->52 dropped 72 Uses schtasks.exe or at.exe to add and modify task schedules 7->72 74 Adds a directory exclusion to Windows Defender 7->74 76 Injects a PE file into a foreign processes 7->76 13 hbvo9thTAX.exe 7->13         started        18 powershell.exe 22 7->18         started        20 powershell.exe 24 7->20         started        30 2 other processes 7->30 22 powershell.exe 11->22         started        24 schtasks.exe 11->24         started        26 powershell.exe 11->26         started        28 dhcpmon.exe 11->28         started        signatures5 process6 dnsIp7 60 james12.ddns.net 79.134.225.7, 49727, 49728, 49736 FINK-TELECOM-SERVICESCH Switzerland 13->60 62 192.168.2.1 unknown unknown 13->62 54 C:\Program Files (x86)\...\dhcpmon.exe, PE32 13->54 dropped 56 C:\Users\user\AppData\Roaming\...\run.dat, data 13->56 dropped 58 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 13->58 dropped 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 13->78 32 conhost.exe 18->32         started        34 conhost.exe 20->34         started        36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 30->42         started        44 conhost.exe 30->44         started        file8 signatures9 process10
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cb19133e564f301e0b3bcba9f0cd81dd21ab65aaf5a4d506c29e70159b2c26bc/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-04-02 15:11:54 UTC
AV detection:
11 of 43 (25.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zmmrgpswj4yb4cz3zou7btmb3uq2wznk6wsnkbwctzyblgzme26a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
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NanoCore
2acf6c2398a12dc97ff2ceec4f348ed6338c4aafb2dcfeb24856cf8526d12a9d
NanoCore
4ab0583ffd51ef40c7531a93f294c16dfbcfaa1daf13835b8bd231c269a780c8
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644a0403a3c8254a3846b8c07aa7fdeb2cfe21aa5630ca3100949869f60ae407
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751b9d20eea57288317d00cfb81935ee3a39e49b5043c69ee4c49e6cac41d9fa
NanoCore
83a5d6da50195774a35e46a89d8d9854b4282ec5a3fffa02fa0f7c90d274117f
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db591a08743176655e567ddffcbbd79b9e2e31feadc1feb54a0200296a93d53d
NanoCore
e26e07749118e8284c28e50553c62bdbe327234b801ffdf2eedb8663444aa459
NanoCore
f3ac633354efc183e1705dd9e042d39b62208735f6f9e83534fb21c9f32b5d70
NanoCore
fbdbd6b6c6cd7a2b07d771d9969e53689f3601bbf7355ee49138b07511b88df7
NanoCore
+ 1'733 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/210403-pq7yxzn71j/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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:
james12.ddns.net:6060
127.0.0.1:6060
Unpacked files
SH256 hash:
6590b9ec4fa84e44c372fda26f47d6d58859d74869621c6bdd4086e6ae411379
MD5 hash:
95dfa1a9015a17a1d49b4faa3f3d999d
SHA1 hash:
427b72727b28436554d0443d797f19b2ea37cc16
Link:
https://www.unpac.me/results/11567efc-729b-4c6c-b288-a8aaa2bdfe24/
SH256 hash:
cb19133e564f301e0b3bcba9f0cd81dd21ab65aaf5a4d506c29e70159b2c26bc
MD5 hash:
0d646c6e6c2666f24b9e65cd1322fa86
SHA1 hash:
9e7bfc67a55d697ec2dc7779737e4bc4793fcce8
Link:
https://www.unpac.me/results/11567efc-729b-4c6c-b288-a8aaa2bdfe24/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/cb19133e564f301e0b3bcba9f0cd81dd21ab65aaf5a4d506c29e70159b2c26bc

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.

Cape
Cape
https://www.capesandbox.com/analysis/132020/

Comments