MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 65d246d802665601ae63bd52d49d3208bdad035aa193378fc349df3ed0777a44. 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: 12


Intelligence 12 IOCs 1 YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 65d246d802665601ae63bd52d49d3208bdad035aa193378fc349df3ed0777a44
SHA3-384 hash: 81b42bdda729d2ae7064bc6fb639af7b3a00f3a6ec0caf2760c8bccc93d3e481b6e28ea866b649c9503a3669c4bccc92
SHA1 hash: e437324c2c99e78df39d5b9a4bac8cab06e94b24
MD5 hash: 702e76ae20a33659b39f95527fdd202b
humanhash: bravo-fruit-seventeen-west
File name:702E76AE20A33659B39F95527FDD202B.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:1'075'264 bytes
First seen:2021-06-02 17:26:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:BAOcZpJAx+roqM40RexYD2utSJuMgtCPJIrfMY5aRcKXTEkh:bdx+roWAeKD2sSJupsuU2a5
Threatray 2'485 similar samples on MalwareBazaar
TLSH F8351202F7C588B2E87319325A39AB116D397D201E28DB5FF3E45EACD9355C06624BB3
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
194.5.98.125:1989

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
194.5.98.125:1989 https://threatfox.abuse.ch/ioc/69459/

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
702E76AE20A33659B39F95527FDD202B.exe
Verdict:
Malicious activity
Analysis date:
2021-06-02 18:33:06 UTC
Tags:
rat nanocore
Link:
https://app.any.run/tasks/73e77e89-9906-41df-9916-fe3e476038e9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
NanoCore
Create hunting rule
Link:
https://www.capesandbox.com/analysis/164140/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Sending a UDP request
Creating a process from a recently created file
Creating a file
Creating a file in the %temp% directory
Adding an access-denied ACE
Launching a process
Deleting a recently created file
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Enabling autorun by creating a file
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/796112
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected Nanocore Rat
Drops PE files with a suspicious file extension
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Sigma detected: Suspicious Process Start Without DLL
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM autoit script
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 428508 Sample: 6jzU0kgsJa.exe Startdate: 02/06/2021 Architecture: WINDOWS Score: 100 43 jaama.hopto.org 2->43 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 7 other signatures 2->55 10 6jzU0kgsJa.exe 31 2->10         started        14 wrue.pif 2->14         started        16 RegSvcs.exe 2 2->16         started        signatures3 process4 file5 37 C:\Users\user\AppData\Roaming\...\wrue.pif, PE32 10->37 dropped 65 Drops PE files with a suspicious file extension 10->65 18 wrue.pif 1 3 10->18         started        67 Writes to foreign memory regions 14->67 69 Allocates memory in foreign processes 14->69 71 Injects a PE file into a foreign processes 14->71 22 RegSvcs.exe 2 14->22         started        24 conhost.exe 16->24         started        signatures6 process7 file8 35 C:\Users\user\AppData\Local\...\RegSvcs.exe, PE32 18->35 dropped 57 Multi AV Scanner detection for dropped file 18->57 59 Writes to foreign memory regions 18->59 61 Allocates memory in foreign processes 18->61 63 Injects a PE file into a foreign processes 18->63 26 RegSvcs.exe 8 18->26         started        signatures9 process10 dnsIp11 45 jaama.hopto.org 194.5.98.125, 1989, 49721, 49722 DANILENKODE Netherlands 26->45 47 127.0.0.1 unknown unknown 26->47 39 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 26->39 dropped 41 C:\Users\user\AppData\Local\...\tmpD130.tmp, XML 26->41 dropped 73 Uses schtasks.exe or at.exe to add and modify task schedules 26->73 75 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->75 31 schtasks.exe 1 26->31         started        file12 signatures13 process14 process15 33 conhost.exe 31->33         started       
Detection:
nanocore
Create hunting rule
Link:
https://mwdb.cert.pl/sample/65d246d802665601ae63bd52d49d3208bdad035aa193378fc349df3ed0777a44/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2021-05-30 15:29:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mxjenwacmzladltdxvjnjhjsbc622a22ugjtpd6djhpt5udxpjca._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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9fc2ec9a478ddf812c9687c805f340989dc0af33b48100ec6621e422035ce579
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a1fba3b877a576f41850e0696a9ae45e4419de786d1fb2ed164b2c3c0aa97917
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cce5d9e4fd5ca9142510f3b21d0a73906171e90a815520985687dde13b6e643d
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e11f59ce9dae9fcff7ff4c8d3d119dd663a1918d084f8cda7b30c474cd141642
NanoCore
+ 2'475 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/210602-q9tl85myge/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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:
jaama.hopto.org:1989
127.0.0.1:1989
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/65d246d802665601ae63bd52d49d3208bdad035aa193378fc349df3ed0777a44

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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/164140/

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