MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c0d63ed602d3c5b4c7fea32e801ab1b2610f7e9d50c3ccb7ca9550810ea2e0a. 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



LunaStealer


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 1c0d63ed602d3c5b4c7fea32e801ab1b2610f7e9d50c3ccb7ca9550810ea2e0a
SHA3-384 hash: 103df833744d3e8047f47e1c4126fe672e784efb277fd8b6540e9c9c4a3c5b29dcff5ad7419177e974ba89b31d549a6e
SHA1 hash: 9e29b9a694b3010def637b18f245ca8635723649
MD5 hash: 75f2c40c5fd05b5824d88867c17afb49
humanhash: quebec-potato-apart-green
File name:yuki.exe
Download: download sample
Signature LunaStealer
File size:61'460'987 bytes
First seen:2024-11-07 07:35:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 72c4e339b7af8ab1ed2eb3821c98713a (50 x BlankGrabber, 26 x PythonStealer, 7 x LunaStealer)
ssdeep 1572864:vWD0LQqMrlpA+Ql4Jd0xTivfSpmqif8iNv:uOyklm0xenJ/R9
TLSH T1E3D7334C67E188E9EDBB34B96BC0A23241AB78D12731FB8D9B9007364D773D58C3A516
TrID 70.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.9% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.5% (.ICL) Windows Icons Library (generic) (2059/9)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon c8c4c8e870c8f5e2 (1 x LunaStealer)
Reporter JaffaCakes118
Tags:exe LunaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
448
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
yuki.exe
Verdict:
Malicious activity
Analysis date:
2024-11-07 07:34:19 UTC
Tags:
pyinstaller github discord arch-doc ims-api generic discordgrabber stealer susp-powershell

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
98.2%
Tags:
powershell autorun gumen
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Restart of the analyzed sample
Creating a window
Delayed reading of the file
DNS request
Connection attempt
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Enabling the 'hidden' option for recently created files
Searching for the window
Reading critical registry keys
Using the Windows Management Instrumentation requests
Stealing user critical data
Forced shutdown of a browser
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
expand lolbin microsoft_visual_cc overlay packed packed packer_detected
Result
Verdict:
UNKNOWN
Result
Threat name:
Luna Stealer
Detection:
malicious
Classification:
rans.troj.adwa.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Adds extensions / path to Windows Defender exclusion list
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Detected Luna Stealer
Drops PE files to the startup folder
Drops PE files with a suspicious file extension
Loading BitLocker PowerShell Module
Modifies Windows Defender protection settings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Sigma detected: Suspicious Startup Folder Persistence
Tries to harvest and steal browser information (history, passwords, etc)
Uses attrib.exe to hide files
Writes many files with high entropy
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550819 Sample: yuki.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 72 raw.githubusercontent.com 2->72 74 discord.com 2->74 76 206.23.85.13.in-addr.arpa 2->76 92 Antivirus / Scanner detection for submitted sample 2->92 94 Sigma detected: Powershell Defender Disable Scan Feature 2->94 96 Modifies Windows Defender protection settings 2->96 98 6 other signatures 2->98 9 yuki.exe 1001 2->9         started        13  ?  .scr 2->13         started        signatures3 process4 file5 56 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 9->56 dropped 58 C:\Users\user\AppData\Local\...\python312.dll, PE32+ 9->58 dropped 60 C:\Users\...\opencv_videoio_ffmpeg4100_64.dll, PE32+ 9->60 dropped 68 103 other files (5 malicious) 9->68 dropped 108 Detected Luna Stealer 9->108 110 Drops PE files with a suspicious file extension 9->110 112 Drops PE files to the startup folder 9->112 114 4 other signatures 9->114 15 yuki.exe 1 41 9->15         started        62 C:\Users\user\AppData\Local\...\sqlite3.dll, PE32+ 13->62 dropped 64 C:\Users\user\AppData\Local\...\python312.dll, PE32+ 13->64 dropped 66 C:\Users\...\opencv_videoio_ffmpeg4100_64.dll, PE32+ 13->66 dropped 70 103 other files (5 malicious) 13->70 dropped 20  ?  .scr 13->20         started        signatures6 process7 dnsIp8 78 raw.githubusercontent.com 185.199.109.133, 443, 49738 FASTLYUS Netherlands 15->78 80 discord.com 162.159.138.232, 443, 54136, 54256 CLOUDFLARENETUS United States 15->80 54 C:\Users\user\AppData\Roaming\...\?  .scr, PE32+ 15->54 dropped 84 Modifies Windows Defender protection settings 15->84 86 Adds extensions / path to Windows Defender exclusion list 15->86 88 Adds a directory exclusion to Windows Defender 15->88 22 cmd.exe 15->22         started        25 cmd.exe 1 15->25         started        27 cmd.exe 15->27         started        82 185.199.110.133, 443, 54169 FASTLYUS Netherlands 20->82 90 Tries to harvest and steal browser information (history, passwords, etc) 20->90 29 cmd.exe 20->29         started        31 cmd.exe 20->31         started        33 cmd.exe 20->33         started        file9 signatures10 process11 signatures12 102 Adds a directory exclusion to Windows Defender 22->102 35 powershell.exe 22->35         started        38 powershell.exe 22->38         started        46 2 other processes 22->46 104 Modifies Windows Defender protection settings 25->104 106 Uses attrib.exe to hide files 25->106 40 powershell.exe 23 25->40         started        42 conhost.exe 25->42         started        48 2 other processes 27->48 50 4 other processes 29->50 52 2 other processes 31->52 44 conhost.exe 33->44         started        process13 signatures14 100 Loading BitLocker PowerShell Module 40->100
Gathering data
Threat name:
Win64.Trojan.Generic
Status:
Suspicious
First seen:
2024-11-07 07:35:12 UTC
File Type:
PE+ (Exe)
Extracted files:
2344
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
credential_access defense_evasion discovery execution spyware stealer upx
Behaviour
Detects videocard installed
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Browser Information Discovery
Hide Artifacts: Hidden Files and Directories
UPX packed file
Accesses cryptocurrency files/wallets, possible credential harvesting
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Unsecured Credentials: Credentials In Files
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

LunaStealer

Executable exe 1c0d63ed602d3c5b4c7fea32e801ab1b2610f7e9d50c3ccb7ca9550810ea2e0a

(this sample)

  
Delivery method
Distributed via web download

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::ConvertSidToStringSidW
ADVAPI32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::FindFirstFileW
KERNEL32.dll::RemoveDirectoryW
KERNEL32.dll::SetDllDirectoryW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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