MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0c75ced9ff9cb13255c6bf59e1e817b861f1c25e47d1aab2c891617615cde1e6. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0c75ced9ff9cb13255c6bf59e1e817b861f1c25e47d1aab2c891617615cde1e6
SHA3-384 hash: dd5953244c4268e65cf560242e1e101217aa67337a8a256615f58151653579e9dbf04bbf379bd39f197f42391edbc00d
SHA1 hash: 077a2fe3a45c9c9121f085caf030528ca02568ed
MD5 hash: bf8e813c7b057e26f21e79bd35afa5b1
humanhash: missouri-stairway-mango-monkey
File name:Parts Order08132020,pdf.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'015'296 bytes
First seen:2020-08-13 14:26:31 UTC
Last seen:2020-08-13 15:54:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'751 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 24576:GnaZdDHUwFH4MqagtKfI2nVPvHpIFyyiBtEFuJ:GaZdDIMqagtz2nVPvmFYBtEYJ
Threatray 1'072 similar samples on MalwareBazaar
TLSH 1B2512E437A4C616D31A4A39E972C0B55777EE816843EF433D61FBAC29B33D220512DA
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
Malspam distributing NanoCore:

HELO: oliphaunt.gmikenma.com
Sending IP: 199.58.179.120
From: Rhys Davies <info@grupoprornedca.com>
Subject: Quote
Attachment: Parts Order08132020,pdf.zip (contains "Parts Order08132020,pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45238/
Detection(s):
SecuriteInfo.com.Generic.mg.bf8e813c7b057e26.16474.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Sending a UDP request
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Deleting a recently created file
DNS request
Forced shutdown of a system process
Sending a TCP request to an infection source
Unauthorized injection to a system process
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/426588
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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
Writes to foreign memory regions
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265940 Sample: Parts Order08132020,pdf.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 10 other signatures 2->53 8 Parts Order08132020,pdf.exe 3 2->8         started        12 RegAsm.exe 2 2->12         started        process3 file4 29 C:\Users\user\AppData\Roaming\TARYESTRD.exe, PE32 8->29 dropped 31 C:\Users\...\TARYESTRD.exe:Zone.Identifier, ASCII 8->31 dropped 55 Maps a DLL or memory area into another process 8->55 57 Hides that the sample has been downloaded from the Internet (zone.identifier) 8->57 14 RegAsm.exe 8 8->14         started        19 Parts Order08132020,pdf.exe 8->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 37 mendey.duckdns.org 192.169.69.25, 2332, 49739, 49742 WOWUS United States 14->37 39 127.0.0.1 unknown unknown 14->39 33 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 14->33 dropped 35 C:\Users\user\AppData\Local\...\tmp5E13.tmp, XML 14->35 dropped 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->41 23 schtasks.exe 1 14->23         started        43 Writes to foreign memory regions 19->43 45 Maps a DLL or memory area into another process 19->45 25 RegAsm.exe 2 19->25         started        file8 signatures9 process10 process11 27 conhost.exe 23->27         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0c75ced9ff9cb13255c6bf59e1e817b861f1c25e47d1aab2c891617615cde1e6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 14:28:08 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=br245wp7tsytevogx5m6d2axxbq7dqs6i7i2vmwisfqxmfon4hta._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
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d8021d01301e057b4f51017952545673b0892e07d5546745fc1159d740716fbf
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e7fa1cf008969a70a894b2947737b69c26abb63378d9d4305b698b223793029f
NanoCore
+ 1'062 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:nanocore
Link:
https://tria.ge/reports/200813-9jq3nvaajj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
NanoCore
Malware Config
C2 Extraction:
mendey.duckdns.org:2332
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/0c75ced9ff9cb13255c6bf59e1e817b861f1c25e47d1aab2c891617615cde1e6

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

zip b6a3efa2857d3465d4d71495b3682919d58770ca85c2f1edd1cef6013d4d71de

NanoCore

Executable exe 0c75ced9ff9cb13255c6bf59e1e817b861f1c25e47d1aab2c891617615cde1e6

(this sample)

  
Dropped by
MD5 ff16390d11b876dc13867fc20f041034
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45238/
  
Dropped by
SHA256 b6a3efa2857d3465d4d71495b3682919d58770ca85c2f1edd1cef6013d4d71de

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