MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dadf9503f7ab1f7c789e7c8cc109a06eef7afe8769bb669c2679e4556bd85620. 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 1 YARA 7 File information Comments

SHA256 hash: dadf9503f7ab1f7c789e7c8cc109a06eef7afe8769bb669c2679e4556bd85620
SHA3-384 hash: c44e9acb9906fdd91ddd7d999dc64cade07a2418bab1a9d0cc31bcb77ca32c1f4c20f085df656835d7b74c5ed6cf2769
SHA1 hash: e04bb8b1e2295056aaf50bce421dca39f29bcefb
MD5 hash: a6267c6f271ca1af27e7d0303b4f8d92
humanhash: paris-bacon-shade-comet
File name:Request for quotation.exe
Download: download sample
Signature NanoCore
File size:29'696 bytes
First seen:2021-04-27 08:31:28 UTC
Last seen:2021-04-27 10:13:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:PPUBRMDKUTjRJY28qR8fhlsmjknPEk0DVTPkaAlmecnJc4cN3ddFWCtZFoib7kO:PPcsKcRJ1MhlHzPkaQ4J4jhoO
Threatray 230 similar samples on MalwareBazaar
TLSH 46D2D8692095B516D1F709341D52E8B03778A3B25481E10EEDD642ACCF82AFB68CDDED
Reporter abuse_ch
Tags:exe NanoCore RAT


Avatar
abuse_ch
NanoCore C2:
185.202.173.218:8080

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
185.202.173.218:8080 https://threatfox.abuse.ch/ioc/15993/

Intelligence


File Origin
# of uploads :
2
# of downloads :
142
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request for quotation.exe
Verdict:
Malicious activity
Analysis date:
2021-04-27 08:34:31 UTC
Tags:
trojan dtloader loader nanocore rat

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

Behaviour
Sending a UDP request
DNS request
Sending an HTTP GET request
Creating a file
Moving a recently created file
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Launching a service
Deleting a recently created file
Launching a process
Creating a file in the Windows subdirectories
Creating a window
Unauthorized injection to a recently created process
Setting a single autorun event
Blocking the User Account Control
Adding exclusions to Windows Defender
Enabling autorun by creating a file
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Malicious Packer
Verdict:
Malicious
Result
Threat name:
NanoCore
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
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: Powershell adding suspicious path to exclusion list
System process connects to network (likely due to code injection or exploit)
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 398307 Sample: Request for quotation.exe Startdate: 27/04/2021 Architecture: WINDOWS Score: 100 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for dropped file 2->63 65 13 other signatures 2->65 7 Request for quotation.exe 24 19 2->7         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 9 other processes 2->16 process3 dnsIp4 55 ldvamlwhdpetnyn.ml 172.67.208.174, 49724, 49734, 49736 CLOUDFLARENETUS United States 7->55 41 C:\Windows\Microsoft.NET\...\svchost.exe, PE32 7->41 dropped 43 nT436M0012t19fJc6b...Q96fakjcA24f8f1.exe, PE32 7->43 dropped 45 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 7->45 dropped 47 3 other files (2 malicious) 7->47 dropped 69 Creates an autostart registry key pointing to binary in C:\Windows 7->69 71 Adds a directory exclusion to Windows Defender 7->71 73 Injects a PE file into a foreign processes 7->73 18 Request for quotation.exe 7->18         started        22 powershell.exe 7->22         started        25 nT436M0012t19fJc6b26ef6faua19j4fQ96fakjcA24f8f1.exe 7->25         started        27 9 other processes 7->27 75 System process connects to network (likely due to code injection or exploit) 12->75 77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 57 127.0.0.1 unknown unknown 16->57 81 Changes security center settings (notifications, updates, antivirus, firewall) 16->81 file5 signatures6 process7 dnsIp8 49 185.202.173.218, 49735, 8080 UNREAL-SERVERSUS Netherlands 18->49 39 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 18->39 dropped 67 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 22->67 29 conhost.exe 22->29         started        51 ldvamlwhdpetnyn.ml 25->51 53 192.168.2.1 unknown unknown 27->53 31 AdvancedRun.exe 27->31         started        33 conhost.exe 27->33         started        35 conhost.exe 27->35         started        37 5 other processes 27->37 file9 signatures10 process11
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Status:
Malicious
First seen:
2021-04-27 08:32:12 UTC
AV detection:
10 of 47 (21.28%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops startup file
Loads dropped DLL
Windows security modification
Executes dropped EXE
Nirsoft
Modifies Windows Defender Real-time Protection settings
NanoCore
Turns off Windows Defender SpyNet reporting
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
dadf9503f7ab1f7c789e7c8cc109a06eef7afe8769bb669c2679e4556bd85620
MD5 hash:
a6267c6f271ca1af27e7d0303b4f8d92
SHA1 hash:
e04bb8b1e2295056aaf50bce421dca39f29bcefb
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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: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