MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b03edd39cb4a2d207b2f7823adbc339565ca6764bf7b8820df6ff4aced7be563. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: b03edd39cb4a2d207b2f7823adbc339565ca6764bf7b8820df6ff4aced7be563
SHA3-384 hash: da29573512e6e3dcb4dd7ffbd43e6de26a8efbd004735924fb744d0fba3a96e1fda487b56180671271a1d64894d84681
SHA1 hash: b177058fe3074fb4e8178710d56cb97e5a9348fa
MD5 hash: dc8854c641594c741ead8ada7c8e9a44
humanhash: undress-red-saturn-wisconsin
File name:Setup.exe
Download: download sample
Signature LummaStealer
File size:1'372'160 bytes
First seen:2025-08-19 15:57:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 47d46ce0699d66fc655f27ce58653f77 (14 x LummaStealer, 2 x Stealc, 1 x Amadey)
ssdeep 24576:BRaP10vxZsz3mb0rHoTS6a2Em88LMLfxKCOMndCZUQOdZDSZ:BRagx2zWgrHgS6L5ML5kEVQseZ
TLSH T1B455D019AC2690DAFCD340F16B5A9111F423BD37CF286EFB81E4A7601956DED093E236
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter burger
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2025-08-19 15:56:19 UTC
Tags:
lumma stealer

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

Behaviour
Launching a process
DNS request
Connection attempt
Sending a custom TCP request
Creating a window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc packed
Result
Threat name:
LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample uses string decryption to hide its real strings
Sigma detected: Silenttrinity Stager Msbuild Activity
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal from password manager
Writes to foreign memory regions
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1760370 Sample: Setup.exe Startdate: 19/08/2025 Architecture: WINDOWS Score: 100 32 cursilibim.ru 2->32 50 Found malware configuration 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected LummaC Stealer 2->54 56 3 other signatures 2->56 9 Setup.exe 2->9         started        signatures3 process4 signatures5 58 Writes to foreign memory regions 9->58 60 Allocates memory in foreign processes 9->60 62 Injects a PE file into a foreign processes 9->62 12 MSBuild.exe 9->12         started        process6 dnsIp7 46 cursilibim.ru 144.172.106.140, 443, 49717, 49754 PONYNETUS United States 12->46 48 185.215.113.51, 80 WHOLESALECONNECTIONSNL Portugal 12->48 64 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 12->64 66 Query firmware table information (likely to detect VMs) 12->66 68 Tries to harvest and steal ftp login credentials 12->68 70 3 other signatures 12->70 16 chrome.exe 12->16         started        19 chrome.exe 12->19         started        21 chrome.exe 12->21         started        23 chrome.exe 12->23         started        signatures8 process9 dnsIp10 30 192.168.2.4, 138, 443, 49709 unknown unknown 16->30 25 chrome.exe 16->25         started        28 chrome.exe 19->28         started        process11 dnsIp12 34 www.google.com 142.250.80.100, 443, 49720, 49728 GOOGLEUS United States 25->34 36 ogads-pa.clients6.google.com 142.251.32.106, 443, 49733, 49734 GOOGLEUS United States 25->36 42 3 other IPs or domains 25->42 38 142.250.80.110, 443, 49751, 49752 GOOGLEUS United States 28->38 40 142.251.40.100, 443, 49744, 49747 GOOGLEUS United States 28->40 44 2 other IPs or domains 28->44
Gathering data
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-08-19 16:07:57 UTC
File Type:
PE+ (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma defense_evasion discovery spyware stealer
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Enumerates connected drives
Modifies trusted root certificate store through registry
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://cursilibim.ru/zajd
https://mastwin.in/qsaz
https://tiltyufaz.ru/tlxa
https://runmgov.ru/tixd
https://semipervaz.ru/xued
https://capitalior.ru/akts
https://retrofik.ru/jgur
https://shagkeg.ru/xkzd
https://copulardi.ru/xhza
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
b03edd39cb4a2d207b2f7823adbc339565ca6764bf7b8820df6ff4aced7be563
MD5 hash:
dc8854c641594c741ead8ada7c8e9a44
SHA1 hash:
b177058fe3074fb4e8178710d56cb97e5a9348fa
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::EmptyClipboard
USER32.dll::OpenClipboard
USER32.dll::CreateWindowExW

Comments