MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0750b24e915908d9783bbce5011e9d94d5ca90c485a4bc808f874ab725edebb7. 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 1 YARA 8 File information Comments 1

SHA256 hash: 0750b24e915908d9783bbce5011e9d94d5ca90c485a4bc808f874ab725edebb7
SHA3-384 hash: 5c04c8ce833a4adfccec463207a4b13ecba795596ce04c617a2e84b038a2f10b1328dabbbf81b5f335cbeea2d3c60cef
SHA1 hash: 1ffd850e43bc18bce167a9ceee09e0245c972409
MD5 hash: b578dff3b64b7e6e5b25804c5f8d012f
humanhash: potato-aspen-green-idaho
File name:S710 Datasheet.exe
Download: download sample
Signature NanoCore
File size:259'308 bytes
First seen:2021-05-14 07:00:51 UTC
Last seen:2021-05-14 07:48:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c05041e01f84e1ccca9c4451f3b6a383 (141 x RedLineStealer, 101 x GuLoader, 64 x DiamondFox)
ssdeep 6144:kgORaiZtWiOXCGXkvXw9rJNp/JeFDOz1pWukDdf00+:kgmZs6GXQXwf/JeFDA/4d85
Threatray 3'193 similar samples on MalwareBazaar
TLSH 2C44120C37B1C577E8A33E702F767AE71BE9E11F056883071749568D7A31218AA9E336
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
79.134.225.89:1988

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
79.134.225.89:1988 https://threatfox.abuse.ch/ioc/40790/

Intelligence


File Origin
# of uploads :
2
# of downloads :
154
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
S710 Datasheet.exe
Verdict:
Malicious activity
Analysis date:
2021-05-14 07:04:55 UTC
Tags:
rat nanocore trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Sending a UDP request
Launching a process
Deleting a recently created file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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)
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
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 414020 Sample: S710 Datasheet.exe Startdate: 14/05/2021 Architecture: WINDOWS Score: 100 41 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 7 other signatures 2->47 8 S710 Datasheet.exe 1 21 2->8         started        12 qnswehenkln.exe 17 2->12         started        14 MSBuild.exe 4 2->14         started        process3 file4 33 C:\Users\user\AppData\...\qnswehenkln.exe, PE32 8->33 dropped 35 C:\Users\user\AppData\Local\...\cmtdt.dll, PE32 8->35 dropped 53 Writes to foreign memory regions 8->53 55 Maps a DLL or memory area into another process 8->55 16 MSBuild.exe 11 8->16         started        37 C:\Users\user\AppData\Local\...\cmtdt.dll, PE32 12->37 dropped 57 Machine Learning detection for dropped file 12->57 21 MSBuild.exe 2 12->21         started        23 conhost.exe 14->23         started        signatures5 process6 dnsIp7 39 abdulkarim.ddns.net 79.134.225.89, 1988, 49713, 49720 FINK-TELECOM-SERVICESCH Switzerland 16->39 29 C:\Users\user\AppData\Roaming\...\run.dat, International 16->29 dropped 31 C:\Users\user\AppData\Local\...\tmp94B3.tmp, XML 16->31 dropped 49 Uses schtasks.exe or at.exe to add and modify task schedules 16->49 51 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->51 25 schtasks.exe 1 16->25         started        file8 signatures9 process10 process11 27 conhost.exe 25->27         started       
Threat name:
Win32.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-05-14 07:01:09 UTC
AV detection:
15 of 47 (31.91%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
NanoCore
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:abuse.ch
Rule name:Nanocore
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
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.

Comments



Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-05-14 08:21:06 UTC

============================================================
MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [C0032.001] Data Micro-objective::CRC32::Checksum
1) [C0026.002] Data Micro-objective::XOR::Encode Data
4) [C0046] File System Micro-objective::Create Directory
5) [C0048] File System Micro-objective::Delete Directory
6) [C0047] File System Micro-objective::Delete File
7) [C0049] File System Micro-objective::Get File Attributes
8) [C0051] File System Micro-objective::Read File
9) [C0050] File System Micro-objective::Set File Attributes
10) [C0052] File System Micro-objective::Writes File
11) [E1510] Impact::Clipboard Modification
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.002] Operating System Micro-objective::Delete Registry Key::Registry
14) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
15) [C0036.005] Operating System Micro-objective::Query Registry Key::Registry
16) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
17) [C0017] Process Micro-objective::Create Process
18) [C0038] Process Micro-objective::Create Thread