MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d2ec2611b322552856d3f202484914625b49f0dc3326d8ea3acdb3a57e65b1ef. 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: 9


Intelligence 9 IOCs 1 YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d2ec2611b322552856d3f202484914625b49f0dc3326d8ea3acdb3a57e65b1ef
SHA3-384 hash: 79938b5de2d01c6fdc530587eb19a429d44853d0db13a4537b88f6225a1ff53714e7ee5c1066f96b4fbf709e75b0ceca
SHA1 hash: 2fd4c2e5a93358c848061ba35628a814e6dac1bb
MD5 hash: 192f43c51f4a671079872c28abb01a64
humanhash: uncle-alanine-bluebird-one
File name:192F43C51F4A671079872C28ABB01A64.exe
Download: download sample
Signature NanoCore
Create hunting rule
File size:706'774 bytes
First seen:2021-04-18 17:55:25 UTC
Last seen:2021-04-18 18:51:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash ea4e67a31ace1a72683a99b80cf37830 (70 x Formbook, 64 x GuLoader, 54 x Loki)
ssdeep 6144:UPXgSXBEjNR13wBE7GbYQuFnSnthnCa8ePsEImm4szdyckUzIUsIrnqT82JypeG:MBEjNR1gm7U2w8UsLmm4sTkIIQrnM8P1
Threatray 2'301 similar samples on MalwareBazaar
TLSH 85E4577371618397C61601F83919E3BA56BE7E148AE0A00FFEC07BEE35B57C381166A5
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
52.168.94.29:8092

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
52.168.94.29:8092 https://threatfox.abuse.ch/ioc/8904/

Intelligence

File Origin
# of uploads :
2
# of downloads :
138
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
192F43C51F4A671079872C28ABB01A64.exe
Verdict:
Malicious activity
Analysis date:
2021-04-18 17:57:21 UTC
Tags:
rat nanocore trojan
Link:
https://app.any.run/tasks/840157f8-a04b-41c6-bf64-216b51c04ebc

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/137871/
Detection(s):
SecuriteInfo.com.Gen.Variant.Zusy.376733.14622.6574.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Sending a UDP request
Unauthorized injection to a recently created process
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Launching a process
Deleting a recently created file
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/685334
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to prevent local Windows debugging
Detected Nanocore Rat
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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
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
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 signatures2 2 Behavior Graph ID: 391616 Sample: M368lLHeQ7.exe Startdate: 18/04/2021 Architecture: WINDOWS Score: 100 59 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 14 other signatures 2->65 8 M368lLHeQ7.exe 19 2->8         started        12 M368lLHeQ7.exe 17 2->12         started        14 dhcpmon.exe 17 2->14         started        16 dhcpmon.exe 17 2->16         started        process3 file4 49 C:\Users\user\AppData\Local\...\o76acto.dll, PE32 8->49 dropped 69 Detected unpacking (changes PE section rights) 8->69 71 Detected unpacking (overwrites its own PE header) 8->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 8->73 75 Contains functionality to prevent local Windows debugging 8->75 18 M368lLHeQ7.exe 1 15 8->18         started        51 C:\Users\user\AppData\Local\...\o76acto.dll, PE32 12->51 dropped 77 Maps a DLL or memory area into another process 12->77 23 M368lLHeQ7.exe 3 12->23         started        53 C:\Users\user\AppData\Local\...\o76acto.dll, PE32 14->53 dropped 25 dhcpmon.exe 3 14->25         started        55 C:\Users\user\AppData\Local\...\o76acto.dll, PE32 16->55 dropped 27 dhcpmon.exe 2 16->27         started        signatures5 process6 dnsIp7 57 backu4734.duckdns.org 52.168.94.29, 49723, 49724, 49725 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 18->57 37 C:\Program Files (x86)\...\dhcpmon.exe, PE32 18->37 dropped 39 C:\Users\user\AppData\Roaming\...\run.dat, data 18->39 dropped 41 C:\Users\user\AppData\Local\...\tmpF2B9.tmp, XML 18->41 dropped 43 C:\...\dhcpmon.exe:Zone.Identifier, ASCII 18->43 dropped 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 29 schtasks.exe 1 18->29         started        31 schtasks.exe 1 18->31         started        45 C:\Users\user\AppData\...\M368lLHeQ7.exe.log, ASCII 23->45 dropped 47 C:\Users\user\AppData\...\dhcpmon.exe.log, ASCII 25->47 dropped file8 signatures9 process10 process11 33 conhost.exe 29->33         started        35 conhost.exe 31->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d2ec2611b322552856d3f202484914625b49f0dc3326d8ea3acdb3a57e65b1ef/
Gathering data
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2lwcmentejksqvwt6ibeqsiumjnut4g4gmtnr2r2zwz2k7tfwhxq._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
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NanoCore
+ 2'291 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/210418-smhvm2hdwe/
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Loads dropped DLL
NanoCore
Malware Config
C2 Extraction:
backu4734.duckdns.org:8092
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
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: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/137871/

Comments


Avatar
a̵c̵c̸i̵d̷e̵n̷t̴a̷l̴r̵e̷b̸e̴l̸ commented on 2021-04-18 18:00:59 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