MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 276c6a3347a575c71276316d4b55c1543800568a0d5b13bc4af0059984195bd6. 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



LummaStealer


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments

SHA256 hash: 276c6a3347a575c71276316d4b55c1543800568a0d5b13bc4af0059984195bd6
SHA3-384 hash: 73a8c9d4a2540a6a5ab711cde5c0f7d8d227aae081ab12168ced70ed757613f3c0eda2d72f7b0d52f984f7f9946f6ed3
SHA1 hash: e6de4a77d1065d0b960c471d7ecd4deb435e8202
MD5 hash: 1b5e77cdeea4ea7378b45b0c134849f0
humanhash: fanta-princess-butter-early
File name:1b5e77cdeea4ea7378b45b0c134849f0.exe
Download: download sample
Signature LummaStealer
File size:395'264 bytes
First seen:2025-05-02 11:59:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 261b2bf5d3e981c1d4ef0b71f10a899a (8 x LummaStealer)
ssdeep 6144:Dj7zttozbbKisTYR+TDeMs94+fX+cmnr8BDt3corirZN:vTozHKisTBDeMs9vfuxoD2o
TLSH T131847D16FA6504F8E0B7913889625506FB727C5A03709BEF23E4475A2F276E09D3FB21
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
435
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
shell spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
80 / 100
Signature
Adds a directory exclusion to Windows Defender
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Invoke-WebRequest Execution
Suspicious powershell command line found
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1679846 Sample: kL166u8pDS.exe Startdate: 02/05/2025 Architecture: WINDOWS Score: 80 27 github.com 2->27 31 Multi AV Scanner detection for submitted file 2->31 33 Sigma detected: Invoke-Obfuscation CLIP+ Launcher 2->33 35 Joe Sandbox ML detected suspicious sample 2->35 37 3 other signatures 2->37 9 kL166u8pDS.exe 2 2->9         started        signatures3 process4 signatures5 41 Adds a directory exclusion to Windows Defender 9->41 12 cmd.exe 1 9->12         started        15 cmd.exe 1 9->15         started        17 conhost.exe 9->17         started        process6 signatures7 43 Suspicious powershell command line found 12->43 45 Adds a directory exclusion to Windows Defender 12->45 19 powershell.exe 9 12->19         started        22 powershell.exe 14 7 15->22         started        process8 dnsIp9 39 Loading BitLocker PowerShell Module 19->39 25 WmiPrvSE.exe 19->25         started        29 github.com 140.82.116.3, 443, 49687 GITHUBUS United States 22->29 signatures10 process11
Threat name:
Win64.Trojan.Nekark
Status:
Malicious
First seen:
2025-05-01 15:47:21 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
Unpacked files
SH256 hash:
276c6a3347a575c71276316d4b55c1543800568a0d5b13bc4af0059984195bd6
MD5 hash:
1b5e77cdeea4ea7378b45b0c134849f0
SHA1 hash:
e6de4a77d1065d0b960c471d7ecd4deb435e8202
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset

File information


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

Web download

LummaStealer

Executable exe 276c6a3347a575c71276316d4b55c1543800568a0d5b13bc4af0059984195bd6

(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 (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::CheckTokenMembership
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::GetUserNameW

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