MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eadaa6c5195abd231c11c4540550773fcd11c24bc7ae715a71d971deb720b8bc. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: eadaa6c5195abd231c11c4540550773fcd11c24bc7ae715a71d971deb720b8bc
SHA3-384 hash: d29bd122910f3060984df1920a7d121ca35aabf32ad8562c07711b0e8dc6d5efbab357709399e9d956bfe50f023b36d7
SHA1 hash: 6a57125dbaa2b03681190588e6608006036eb8c9
MD5 hash: 6439e72bf9a76098bd8e554dca72a9ee
humanhash: missouri-magnesium-blossom-mountain
File name:RFQ NO-2302377 Pdf.exe
Download: download sample
Signature NanoCore
File size:87'552 bytes
First seen:2023-08-09 13:37:21 UTC
Last seen:2023-08-10 04:27:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:FQPZ0IlTXBmt66jKklrX3ty5DK3Eaqo36G8cTugO:adNMb4o31O
Threatray 1'642 similar samples on MalwareBazaar
TLSH T1AA835C01374C99A3EB6C2176A8AB588103F4AD7F8791E11D69CFF16518B2353122FDAF
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2b534545c565534d (12 x AgentTesla, 1 x PureCrypter, 1 x NanoCore)
Reporter James_inthe_box
Tags:exe NanoCore

Intelligence


File Origin
# of uploads :
2
# of downloads :
359
Origin country :
US US
Vendor Threat Intelligence
Malware family:
nanocore
ID:
1
File name:
RFQ NO-2302377 Pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-08-09 14:23:30 UTC
Tags:
nanocore rat

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

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade packed
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
Antivirus detection for URL or domain
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)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: NanoCore
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288599 Sample: RFQ_NO-2302377_Pdf.exe Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Multi AV Scanner detection for domain / URL 2->46 48 Found malware configuration 2->48 50 13 other signatures 2->50 6 RFQ_NO-2302377_Pdf.exe 16 5 2->6         started        11 Vbkgw.exe 14 5 2->11         started        13 Vbkgw.exe 4 2->13         started        process3 dnsIp4 36 files.catbox.moe 108.181.20.39, 443, 49700, 49703 ASN852CA Canada 6->36 34 C:\Users\user\AppData\Roaming\Vbkgw.exe, PE32 6->34 dropped 52 Writes to foreign memory regions 6->52 54 Injects a PE file into a foreign processes 6->54 15 MSBuild.exe 10 6->15         started        20 MSBuild.exe 6->20         started        22 MSBuild.exe 6->22         started        56 Multi AV Scanner detection for dropped file 11->56 58 Machine Learning detection for dropped file 11->58 24 MSBuild.exe 11->24         started        26 MSBuild.exe 11->26         started        28 MSBuild.exe 13->28         started        30 MSBuild.exe 13->30         started        file5 signatures6 process7 dnsIp8 38 henzy.ddns.net 94.156.102.196, 28288, 49701, 49702 NETERRA-ASBG Bulgaria 15->38 40 192.168.2.1 unknown unknown 15->40 32 C:\Users\user\AppData\Roaming\...\run.dat, Non-ISO 15->32 dropped 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->42 file9 signatures10
Threat name:
Win32.Trojan.Strictor
Status:
Malicious
First seen:
2023-08-09 10:58:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Result
Malware family:
nanocore
Score:
  10/10
Tags:
family:nanocore keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
NanoCore
Malware Config
C2 Extraction:
henzy.ddns.net:28288
Unpacked files
SH256 hash:
eadaa6c5195abd231c11c4540550773fcd11c24bc7ae715a71d971deb720b8bc
MD5 hash:
6439e72bf9a76098bd8e554dca72a9ee
SHA1 hash:
6a57125dbaa2b03681190588e6608006036eb8c9
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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