MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40c44ed554771b552a99415c737b1ea24cce3d0dc3ed06bb778b8254a3fdc750. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash: 40c44ed554771b552a99415c737b1ea24cce3d0dc3ed06bb778b8254a3fdc750
SHA3-384 hash: 65f206aa8ea1764f5f648b603617c35509ccf50e84bf2dd2df11b5d5894e6089103e70e2c3a1876a85922ac5c5e02599
SHA1 hash: 8b509ee59ce07eb5fc286ff9300112f94af9c9b3
MD5 hash: a160f1e21f63cfc43ba32609afb0adee
humanhash: king-bravo-carolina-twenty
File name:40c44ed554771b552a99415c737b1ea24cce3d0dc3ed06bb778b8254a3fdc750.bin
Download: download sample
Signature LummaStealer
File size:990'224 bytes
First seen:2026-04-01 13:28:12 UTC
Last seen:2026-04-04 17:21:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 6313a99fffecb8759e5b2f8e8aff2a59 (9 x LummaStealer)
ssdeep 12288:9Lmv6J3O1b3pwFRNkdgUkFnl3jURuRe5n4GZ91Rd6qIXzsQ9vXnfoMC0YYA1hmej:pmv66b32F7wQr7e5BnT6qkzs9MzPAj
TLSH T136255B83FB4255FAC64D08360B1452616A3DE721670F96A1741E125CCFA3BAB8F72E3D
TrID 38.2% (.EXE) Win64 Executable (generic) (6522/11/2)
26.4% (.EXE) Win32 Executable (generic) (4504/4/1)
11.8% (.EXE) OS/2 Executable (generic) (2029/13)
11.7% (.EXE) Generic Win/DOS Executable (2002/3)
11.7% (.EXE) DOS Executable (generic) (2000/1)
Magika pebin
Reporter threatcat_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
12
# of downloads :
123
Origin country :
CH CH
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
40c44ed554771b552a99415c737b1ea24cce3d0dc3ed06bb778b8254a3fdc750.bin
Verdict:
Malicious activity
Analysis date:
2026-04-01 13:28:25 UTC
Tags:
lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
injection phishing stealer virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug crypto masquerade microsoft_visual_cc overlay soft-404 spyagent
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-04-01T09:04:00Z UTC
Last seen:
2026-04-03T05:49:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-PSW.Win32.Stealerc.gen Trojan-PSW.Lumma.HTTP.C&C Trojan-PSW.Coins.HTTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Lumma.sb Trojan.Win32.Crypt.sb
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
LummaC encrypted strings found
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
Executable Html PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2026-04-01 13:29:21 UTC
File Type:
PE (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery stealer
Behaviour
Program crash
System Location Discovery: System Language Discovery
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
http://killredls.pw/api
http://keewoolas.pw/api
http://dayzilons.pw/api
Unpacked files
SH256 hash:
40c44ed554771b552a99415c737b1ea24cce3d0dc3ed06bb778b8254a3fdc750
MD5 hash:
a160f1e21f63cfc43ba32609afb0adee
SHA1 hash:
8b509ee59ce07eb5fc286ff9300112f94af9c9b3
Detections:
win_lumma_a0
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:html_auto_download_b64
Author:Tdawg
Description:html auto download
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:WIN_WebSocket_Base64_C2_20250726
Author:dogsafetyforeverone
Description:Detects configuration strings used by malware to specify WebSocket command-and-control endpoints inside Base64-encoded data. It looks for prefixes such as '#ws://' or '#wss://' that were found in QuasarRAT configuration data.

File information


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

Malspam

LummaStealer

Executable exe 40c44ed554771b552a99415c737b1ea24cce3d0dc3ed06bb778b8254a3fdc750

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments