MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d9c78a21a8344b6cc4768d7fa1b9ff128437267f1b7d1d29fccca4a5751d7ed6. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d9c78a21a8344b6cc4768d7fa1b9ff128437267f1b7d1d29fccca4a5751d7ed6
SHA3-384 hash: f3c986478e018c2a54eaf87117318ec7a051427be0915e0e3068a1866b621f56dfe97e638c99455d953e1668c17702db
SHA1 hash: 7d0b6d5d90deecc2ae1d70c89848a027dea323bb
MD5 hash: db7376dcd238c060d1f1569a1b1bbafd
humanhash: autumn-quebec-red-washington
File name:QUOTATION#031020_Vina_ak_Sales_Pvt_Ltd.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'145'344 bytes
First seen:2020-10-06 03:57:03 UTC
Last seen:2020-10-06 07:09:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:4Zylbk7+90fi3hnkERKC50gu2kn7wbdvBnc/pobR4DPuJZWeS1AhQb9o7vjBImS3:faq6CniCuzkbd5aheSWmbkqO
Threatray 1'093 similar samples on MalwareBazaar
TLSH E8358C41E6840276E1279034623AFD385A269EF1390CC6901CEDBC6FFEAAF4C7591E57
Reporter GovCERT_CH
Tags:NanoCore

Intelligence

File Origin
# of uploads :
3
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/68364/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
Nanocore
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/482207
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)
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)
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 293540 Sample: QUOTATION#031020_Vina_ak_Sa... Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 65 Found malware configuration 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Multi AV Scanner detection for dropped file 2->69 71 12 other signatures 2->71 8 QUOTATION#031020_Vina_ak_Sales_Pvt_Ltd.exe 7 2->8         started        12 QUOTATION#031020_Vina_ak_Sales_Pvt_Ltd.exe 4 2->12         started        14 dhcpmon.exe 2->14         started        16 dhcpmon.exe 3 2->16         started        process3 file4 55 C:\Users\user\AppData\Roaming\yWFqxJYES.exe, PE32 8->55 dropped 57 C:\Users\...\yWFqxJYES.exe:Zone.Identifier, ASCII 8->57 dropped 59 C:\Users\user\AppData\Local\Temp\tmp55C.tmp, XML 8->59 dropped 61 QUOTATION#031020_V...les_Pvt_Ltd.exe.log, ASCII 8->61 dropped 75 Injects a PE file into a foreign processes 8->75 18 QUOTATION#031020_Vina_ak_Sales_Pvt_Ltd.exe 1 12 8->18         started        23 schtasks.exe 1 8->23         started        25 schtasks.exe 1 12->25         started        27 QUOTATION#031020_Vina_ak_Sales_Pvt_Ltd.exe 2 12->27         started        29 QUOTATION#031020_Vina_ak_Sales_Pvt_Ltd.exe 12->29         started        31 schtasks.exe 14->31         started        33 dhcpmon.exe 14->33         started        signatures5 process6 dnsIp7 63 194.5.97.179, 4488, 49724, 49725 DANILENKODE Netherlands 18->63 49 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->49 dropped 51 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->51 dropped 53 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->53 dropped 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->73 35 schtasks.exe 1 18->35         started        37 schtasks.exe 1 18->37         started        39 conhost.exe 23->39         started        41 conhost.exe 25->41         started        43 conhost.exe 31->43         started        file8 signatures9 process10 process11 45 conhost.exe 35->45         started        47 conhost.exe 37->47         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d9c78a21a8344b6cc4768d7fa1b9ff128437267f1b7d1d29fccca4a5751d7ed6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-10-06 00:59:22 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3hdyuinigrfwzrdwrv72dop7ckcdojt7dn6r2kp4zsskk5i5p3la._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
Similar samples:
08c1ed3585826baa8e470be4c446478a895317380573ef787e53afdc264569e3
NanoCore
1778a255b790b18f042384c6ebb3176d3f3f0fd172d313b07242ac42b000132e
NanoCore
6306c2750ef668ad467a0f9ee9a72f40420f52e359233223a1a09a755d837b21
NanoCore
6eb10ca3e8026756f417b8e04510f768c28175817c73be8f21514dfb186d687f
NanoCore
786e5ea538d875c628433d6cf45abd9559ede017b01b3fca8eb3bfc6dbc66f12
NanoCore
91966b77a6acc2fd64c773d8797a505c40ecd272ebb4b44a5757990b5e4939c5
NanoCore
9d44ded1da60c6d985cd16f0b98954f746f83f3d7d093f15f30a88eb14441e0a
NanoCore
cb5eb4758a41046a2f3fc084731d756aedf8ea212dc08c9bb2e6cd7f5eff6cae
NanoCore
ea4115e347193aa868162072e3db30d9652650aa2915726aa83d91beb202b9bb
NanoCore
f6418cb1cf7a9024b0a8e7f736c45f0a7e8aaa5ecd2d41241f20a56ea05ccf07
NanoCore
+ 1'083 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
evasion trojan keylogger stealer spyware family:nanocore persistence
Link:
https://tria.ge/reports/201006-6xebnkxg5x/
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
Checks whether UAC is enabled
NanoCore
Malware Config
C2 Extraction:
194.5.97.179:4488
Unpacked files
SH256 hash:
d9c78a21a8344b6cc4768d7fa1b9ff128437267f1b7d1d29fccca4a5751d7ed6
MD5 hash:
db7376dcd238c060d1f1569a1b1bbafd
SHA1 hash:
7d0b6d5d90deecc2ae1d70c89848a027dea323bb
Link:
https://www.unpac.me/results/37879bcc-395a-4393-af41-16028471708a/
SH256 hash:
13b24d3a09d099dabe41cd6cd71607a77e14640b1e9b4ed2d60f6c012f191c43
MD5 hash:
109cedae3c384a1913107f1efad2b7c8
SHA1 hash:
1f7f35b0ed85fa12bb839cbce698e59a30813420
Link:
https://www.unpac.me/results/37879bcc-395a-4393-af41-16028471708a/
SH256 hash:
d3744532ede9fc253855930e74af01cceabf4ae65dfa17b671b66148368153fa
MD5 hash:
e6ba6a1dd1ae37e2c3828b069fc54341
SHA1 hash:
717592c1fffd3b9f201fb26ac0ad641a8f6bdb4b
Link:
https://www.unpac.me/results/37879bcc-395a-4393-af41-16028471708a/
SH256 hash:
f67237d576c62da149643d727b94280a29c3dbb6b60f2af21efdfbe62f2e9773
MD5 hash:
656713783c9a734ae4ba5cc2734d3598
SHA1 hash:
9f4cc8f8accc173396ea613be698c29f507d02b4
Detections:
win_nanocore_w0
Create hunting rule
Link:
https://www.unpac.me/results/37879bcc-395a-4393-af41-16028471708a/
SH256 hash:
f57cd33f790fd202d5709679adf041a66f7b0ef2f6ba655e18a459e972334a96
MD5 hash:
56e50898286a3c14c8d38d908f34fea6
SHA1 hash:
b54f59d1a50d1afb49b5efda5b84cc20dd13f36b
Link:
https://www.unpac.me/results/37879bcc-395a-4393-af41-16028471708a/
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/d9c78a21a8344b6cc4768d7fa1b9ff128437267f1b7d1d29fccca4a5751d7ed6

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 c5dd2759b1e484729eba5cc169c775a5fa54ac226e5b3359ed681d2aa5c7acda

NanoCore

Executable exe d9c78a21a8344b6cc4768d7fa1b9ff128437267f1b7d1d29fccca4a5751d7ed6

(this sample)

  
Dropped by
MD5 0fb5bac30f32e4686e1cd5233dabf831
  
Dropped by
SHA256 c5dd2759b1e484729eba5cc169c775a5fa54ac226e5b3359ed681d2aa5c7acda
  
Dropped by
NanoCore
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/68364/

Comments