MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a. 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
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SHA256 hash: 9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a
SHA3-384 hash: 529009aa207ba4f44aca7204e2c851f0175f94fe369b329d744e698f0287cfa32c0a0b6599022dcae1f469659659d92c
SHA1 hash: b213f983f010119adfcf11f205d022c7b288b72c
MD5 hash: 2736a76bf7ee1d180b5baf50e28200a0
humanhash: venus-foxtrot-salami-maine
File name:Kafan_Sample_9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:215'040 bytes
First seen:2020-08-02 15:15:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:AzEqV6B1jHa6dtJ10jgvzcgi+oG/j9iaMP2s/HI3IWWBb78WJtcDAHp+we4ti52F:ALV6Bta6dtJmakIM5bbLJKEcwY2vrL
Threatray 1'146 similar samples on MalwareBazaar
TLSH 9724C0163BB94A3FE2DE8679A1125102437DC2E799C3F3EE58D464B35B623E40A071E7
Reporter vm001cn
Tags:NanoCore RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37189/
Detection(s):
Win.Trojan.Nanocore-5
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Sending a UDP request
Deleting a recently created file
DNS request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/407193
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)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Protects its processes via BreakOnTermination flag
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)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 255827 Sample: Gb2I2lUGMn.exe Startdate: 02/08/2020 Architecture: WINDOWS Score: 100 39 adwa.ddns.net 2->39 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 9 other signatures 2->49 8 Gb2I2lUGMn.exe 1 14 2->8         started        13 Gb2I2lUGMn.exe 3 2->13         started        15 dhcpmon.exe 3 2->15         started        17 dhcpmon.exe 2 2->17         started        signatures3 process4 dnsIp5 41 adwa.ddns.net 47.28.203.160, 1337 BRESNAN-33588US United States 8->41 27 C:\Program Files (x86)\...\dhcpmon.exe, PE32 8->27 dropped 29 C:\Users\user\AppData\Roaming\...\run.dat, data 8->29 dropped 31 C:\Users\user\AppData\Local\...\tmp9D98.tmp, XML 8->31 dropped 33 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 8->33 dropped 51 Protects its processes via BreakOnTermination flag 8->51 53 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->53 19 schtasks.exe 1 8->19         started        21 schtasks.exe 1 8->21         started        35 C:\Users\user\AppData\...behaviorgraphb2I2lUGMn.exe.log, ASCII 13->35 dropped 37 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 15->37 dropped file6 signatures7 process8 process9 23 conhost.exe 19->23         started        25 conhost.exe 21->25         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-08-02 15:17:05 UTC
AV detection:
29 of 29 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t7bebw32btmihq26fs74n2g4wk5tsikrjw6omwxpizyr3zfanjva._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
1296e2be1e9e8dc2431cd3c37337af6fe9f2ad6e9b380111507b009642250216
NanoCore
38814f6587d098be00d461dae2dfeb01b50e2a697d86bfc02e334024133bfed8
NanoCore
49ad0ed3bf58f6bec614955067d2a6ae9a19825412ed6f6e851973d5d809293f
NanoCore
662f115f07c983b7c060eb8a98b4dfa8951df8f3149e71523d2de7ee97d9139e
NanoCore
6eb10ca3e8026756f417b8e04510f768c28175817c73be8f21514dfb186d687f
NanoCore
756fde810887452ab2533283973f2e582df198988bcafde9f20dc85e35f4d5c4
NanoCore
8bb9b00853b7ad74a9e4c41b8974ab369d16e6289c9e9e933be5fe56539af2b1
NanoCore
9c62e75f2dc168671bddfe8cad2b102197c10d9039d8917a7637585ff603dbdd
NanoCore
9ca497f6231180ec374837cf77e099a25e8c5cffa16c6599739c92ee03a94d34
NanoCore
e29e9d9beb5ce8187decf038cdc0b1d3102b4cfe43715a3b4f934098a943ebed
NanoCore
+ 1'136 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
family:nanocore
Link:
https://tria.ge/reports/200802-r2na7jl3cj/
Behaviour
Nanocore family
Malware Config
C2 Extraction:
adwa.ddns.net:1337
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Orbus
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9fc240db7a0cd883c35e2cbfc6e8dcb2bb3921514dbce65aef46711de4a06a6a

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.

Cape
Cape
https://www.capesandbox.com/analysis/37189/

Comments