MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ef8918dcad4fa60f278fddfdcde43b624f696e047650ed2e4155d2b5338cee82. 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
| SHA256 hash: | ef8918dcad4fa60f278fddfdcde43b624f696e047650ed2e4155d2b5338cee82 |
|---|---|
| SHA3-384 hash: | b83799432e31b2c3f6dec2d914acad32d11fcfc58ab819883cad91480811d1f47a926e4c366a97d0eeb7d07be332e6aa |
| SHA1 hash: | 7211d31dabc6e7073cfaa1a748f9d3b2cda2e87d |
| MD5 hash: | 46c9ca22a748d638a625d3c1d23d4340 |
| humanhash: | utah-wisconsin-oven-nuts |
| File name: | order?gnp.scr.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 1'128'760 bytes |
| First seen: | 2025-05-01 07:06:46 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 75e9596d74d063246ba6f3ac7c5369a0 (8 x DCRat, 5 x PythonStealer, 4 x CoinMiner) |
| ssdeep | 24576:XBkVdlYAoKZV9xWoJaxChFdMYCTG7yMqP00Weq/E:RsvoK7jaxuMjTGzMOM |
| Threatray | 147 similar samples on MalwareBazaar |
| TLSH | T18535E093F5C210F0E8261B3219769E65467FBC282E34D99E239EB1355B333C24636A5F |
| TrID | 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39) 3.6% (.EXE) Win64 Executable (generic) (10522/11/4) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 1.5% (.EXE) Win32 Executable (generic) (4504/4/1) 0.6% (.EXE) OS/2 Executable (generic) (2029/13) |
| Magika | pebin |
| dhash icon | 7139497935111121 (2 x NanoCore) |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 196.251.115.13:48405 | https://threatfox.abuse.ch/ioc/1493508/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
347
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2025-04-18_46c9ca22a748d638a625d3c1d23d4340_black-basta_cova_cryptbot_elex_luca-stealer
Verdict:
No threats detected
Analysis date:
2025-04-18 06:54:22 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
94.9%
Tags:
nanocore nukesped
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Launching a service
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file in the Program Files subdirectories
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
anti-vm crypto fingerprint installer masquerade microsoft_visual_cc nanocore overlay overlay packed packed packer_detected sfx
Verdict:
Malicious
Labled as:
Trojan.Generic
Malware family:
NanoCoreRAT
Verdict:
Malicious
Result
Threat name:
Nanocore
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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 Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Script Execution From Temp Folder
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Nanocore RAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Status:
Malicious
First seen:
2025-04-18 06:31:30 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
23 of 36 (63.89%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
unc_loader_037
nanocorerat
Similar samples:
+ 137 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:nanocore defense_evasion discovery execution keylogger persistence spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
NanoCore
Nanocore family
Malware Config
C2 Extraction:
2023endofyear.duckdns.org:48405
127.0.0.1:48405
127.0.0.1:48405
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ef8918dcad4fa60f278fddfdcde43b624f696e047650ed2e4155d2b5338cee82
MD5 hash:
46c9ca22a748d638a625d3c1d23d4340
SHA1 hash:
7211d31dabc6e7073cfaa1a748f9d3b2cda2e87d
SH256 hash:
38ab71edd7d7bea5523ed8b92132d478b3908985aa7c8e1795982e611b33e445
MD5 hash:
b53345657b27e7033018f42b72527507
SHA1 hash:
92d31a31080a95042c0200f7f381511a17d529c7
SH256 hash:
1069ac252f2c9bcb7024ef64fd36173f6a962d97d559e16c4a7a11e44599c2e7
MD5 hash:
aff1727864fc1a499ecd53024f0b2790
SHA1 hash:
10aa02dfaf7c9888036b4689136a05b2ff123259
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
a4a61fa5bfe493eec3d526519f8cf487665d962b49a72b1d073873723e035016
MD5 hash:
8320ba4a0f90757f6c287baf930da32b
SHA1 hash:
25008f9d926d897859de9ca3e868b58ad1e0e002
SH256 hash:
f21a4f9f77b6a0d513f49486f3c8b9019967ff6bf1da11dd5ada7ce33963b2a5
MD5 hash:
e4715950752a83c1add2d17046195d12
SHA1 hash:
7d33c27353470bb5216e04dccb1f115b48790946
Detections:
win_nanocore_w0
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Nanocore_RAT_Gen_2
Nanocore_RAT_Feb18_1
Nanocore
MALWARE_Win_NanoCore
Malware family:
NanoCore
Verdict:
Malicious
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | malware_Nanocore_strings |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Nanocore in memory |
| Reference: | internal research |
| Rule name: | MALWARE_Win_NanoCore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NanoCore |
| 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 (Nextron Systems) |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Feb18_1_RID2DF1 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects Nanocore RAT |
| Reference: | Internal Research - T2T |
| Rule name: | Nanocore_RAT_Gen_2 |
|---|---|
| Author: | Florian Roth (Nextron Systems) |
| Description: | Detetcs the Nanocore RAT |
| Reference: | https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/ |
| Rule name: | Nanocore_RAT_Gen_2_RID2D96 |
|---|---|
| Author: | Florian Roth |
| Description: | Detetcs the Nanocore RAT |
| Reference: | https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/ |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SelfExtractingRAR |
|---|---|
| Author: | Xavier Mertens |
| Description: | Detects an SFX archive with automatic script execution |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | Windows_Trojan_Nanocore_d8c4e3c5 |
|---|---|
| Author: | Elastic Security |
| 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.
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| GDI_PLUS_API | Interfaces with Graphics | gdiplus.dll::GdiplusStartup gdiplus.dll::GdiplusShutdown gdiplus.dll::GdipAlloc |
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::AllocConsole KERNEL32.dll::AttachConsole KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateHardLinkW KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileMappingW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::MoveFileExW |
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