MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c23cf0e877b04a7649d52b835283d6347a40031475d33f3d67ca48054ef7aa. 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 1 File information Comments

SHA256 hash: b4c23cf0e877b04a7649d52b835283d6347a40031475d33f3d67ca48054ef7aa
SHA3-384 hash: 58c563c6f389276d9faa6625180c783bed4f26d8378b5be1f5385ac8ab9ddefae2ff4a2e43744febb462e60937bedbc5
SHA1 hash: ca129304c97e2e4d2174ed2a781649b14bc25a3b
MD5 hash: 03efe4b22b253907ac7d3620f151f8a0
humanhash: three-finch-magnesium-solar
File name:03efe4b22b253907ac7d3620f151f8a0.exe
Download: download sample
Signature LummaStealer
File size:1'850'368 bytes
First seen:2025-06-24 05:34:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 24576:f6CQS9NE71wBMEKsprMVpFSY7zGviasfDcLxXhbzxs1aQkJLYXo1lV9GQcyWAhm:f6CHu71mdOQXaRqxR/C0jmGVcl
Threatray 5 similar samples on MalwareBazaar
TLSH T1198533D69D745C30E938D2F18EF6A326E3BDC316A4C00459BF8EE1559C8340AE624DEB
TrID 42.7% (.EXE) Win32 Executable (generic) (4504/4/1)
19.2% (.EXE) OS/2 Executable (generic) (2029/13)
19.0% (.EXE) Generic Win/DOS Executable (2002/3)
18.9% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
03efe4b22b253907ac7d3620f151f8a0.exe
Verdict:
Malicious activity
Analysis date:
2025-06-24 05:52:56 UTC
Tags:
lumma stealer themida loader amadey botnet rdp

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

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt packed packed packer_detected
Result
Threat name:
LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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
Suricata IDS alerts for network traffic
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
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
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2025-06-24 04:27:35 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma defense_evasion discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks installed software on the system
Checks BIOS information in registry
Identifies Wine through registry keys
Reads user/profile data of local email clients
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Malware Config
C2 Extraction:
https://equidn.xyz/xapq/api
https://gewgb.xyz/axgh/api
https://skjgx.xyz/riuw/api
https://ropyi.xyz/zadf/api
https://spjeo.xyz/axka/api
https://baviip.xyz/twiw/api
https://shaeb.xyz/ikxz/api
https://firddy.xyz/yhbc/api
https://trqqe.xyz/xudu/api
Unpacked files
SH256 hash:
76b67b03450ae3cb61da48bd0e2ba4f705f56c37f1adc4bc3d4fecf68b8e09d4
MD5 hash:
9d45886007ef34b29189ff1daf9277ec
SHA1 hash:
97698db08e62e9c629f79d39b3453980fc76cd26
SH256 hash:
b4c23cf0e877b04a7649d52b835283d6347a40031475d33f3d67ca48054ef7aa
MD5 hash:
03efe4b22b253907ac7d3620f151f8a0
SHA1 hash:
ca129304c97e2e4d2174ed2a781649b14bc25a3b
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: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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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