MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef54ecbabd30b6f124044ef96fcfc4e23a42ad3b1cf50a2af69a472b8a052490. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments

SHA256 hash: ef54ecbabd30b6f124044ef96fcfc4e23a42ad3b1cf50a2af69a472b8a052490
SHA3-384 hash: 886b6ad16fd91fb156c25ec90371f77c08fce4fabf18007bd22b1addf8bfbdab0e73200f58e98db2aff3a0b8f0eb1547
SHA1 hash: 95390848a44b40b4756676b4b9914f8d15b65eab
MD5 hash: fca0983c859cbc87f7b9d14851658f75
humanhash: coffee-bakerloo-coffee-eight
File name:fca0983c859cbc87f7b9d14851658f75.exe
Download: download sample
Signature LummaStealer
File size:1'332'224 bytes
First seen:2025-07-08 14:09:17 UTC
Last seen:2025-07-08 15:21:17 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash df533905651d4d38e2f1c6b89a7d3c6a (5 x LummaStealer, 2 x Rhadamanthys, 2 x Vidar)
ssdeep 24576:bRcL6e3rrIJbzRMZlptwn3a8qZKSamxganNn3a8qZKSamxgan:biL6ebcZzEptwRq8mzNRq8mz
Threatray 674 similar samples on MalwareBazaar
TLSH T19C55E0799195A2EAFD3640B744525290B572B233C22D2FFF8390E3736E07AC51F29729
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 abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
3
# of downloads :
26
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
https://files.catbox.moe/2to1ep.bin
Verdict:
Malicious activity
Analysis date:
2025-07-08 01:57:57 UTC
Tags:
fileshare loader python amadey remcos rat sliver backdoor havoc framework github botnet stealer lumma auto generic smoke metasploit purelogs purecrypter dbatloader njrat phorpiex remote gh0st valley masslogger miner snake keylogger evasion koistealer networm amus sality asyncrat modiloader telegram blankgrabber bladabindi donutloader neshta redline metastealer agenttesla pyinstaller aurotunstealer coinminer aurotun vidar ransomware sage xworm bazaloader quasar formbook pythonstealer smokeloader phishing delphi emmenhtal meterpreter payload exfiltration ftp lokibot clickfix possible-phishing discord websocket darkcomet xred nanocore quasarrat gh0strat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.1%
Tags:
virus zusy
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Forced shutdown of a system process
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
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
Performs DNS queries to domains with low reputation
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
Suricata IDS alerts for network traffic
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:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Verdict:
Malicious
Threat:
Win64.Trojan.LummaStealer
Threat name:
Win64.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-07-07 20:47:24 UTC
AV detection:
21 of 37 (56.76%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://cexpxg.xyz/airq
https://ycvduc.xyz/trie
https://nbcsfar.xyz/tpxz
https://cbakk.xyz/ajng
https://trsuv.xyz/gait
https://sqgzl.xyz/taoa
https://urarfx.xyz/twox
https://liaxn.xyz/nbzh
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
ef54ecbabd30b6f124044ef96fcfc4e23a42ad3b1cf50a2af69a472b8a052490
MD5 hash:
fca0983c859cbc87f7b9d14851658f75
SHA1 hash:
95390848a44b40b4756676b4b9914f8d15b65eab
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.

Web download

LummaStealer

Executable exe ef54ecbabd30b6f124044ef96fcfc4e23a42ad3b1cf50a2af69a472b8a052490

(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
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::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::CreateWindowExA

Comments