MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9c7541bbfd85b2fbd704f978283938850ac6b6e869796c73dcd6fd8aaf5bd5f. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments

SHA256 hash: a9c7541bbfd85b2fbd704f978283938850ac6b6e869796c73dcd6fd8aaf5bd5f
SHA3-384 hash: 8b43d95c4e7dbc8747106b4c616ab602e0af869d92f5b851c301f127e1dcfd699a1ecfaf58fafbf8c20d7974c998bb06
SHA1 hash: c04bc411a1dc6dfd12c74909c7610af13ae7103c
MD5 hash: 603a4fe5b8b926e8477814586c46be2c
humanhash: delta-avocado-river-wyoming
File name:603a4fe5b8b926e8477814586c46be2c.exe
Download: download sample
Signature LummaStealer
File size:1'950'208 bytes
First seen:2025-05-30 07:51:47 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 49152:johb1GV/eZo9o8eNtLZZF1YSXUdiKsbvGS:sHo9onngSAq5
TLSH T1499533159C25E16FD2ECD8331A4EE27255BBE0A361E430B54E3D2A0445FEAF9A2DF0D4
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 :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
603a4fe5b8b926e8477814586c46be2c.exe
Verdict:
Malicious activity
Analysis date:
2025-05-30 08:02:04 UTC
Tags:
lumma stealer themida loader

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

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt packed packed packer_detected xpack
Result
Threat name:
Amadey, 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
Contains functionality to detect hardware virtualization (CPUID execution measurement)
Contains functionality to start a terminal service
Detected unpacking (changes PE section rights)
Found malware configuration
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sample uses string decryption to hide its real strings
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 Amadey
Yara detected Amadeys Clipper DLL
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1702104 Sample: MzXZVVzr2o.exe Startdate: 30/05/2025 Architecture: WINDOWS Score: 100 79 185.156.72.96 ITDELUXE-ASRU Russian Federation 2->79 81 battlefled.top 2->81 87 Found malware configuration 2->87 89 Antivirus / Scanner detection for submitted sample 2->89 91 Multi AV Scanner detection for submitted file 2->91 93 7 other signatures 2->93 10 MzXZVVzr2o.exe 1 2->10         started        15 svchost.exe 8 2->15         started        17 svchost.exe 11 1 2->17         started        signatures3 process4 dnsIp5 83 battlefled.top 172.67.172.55, 443, 49692, 49693 CLOUDFLARENETUS United States 10->83 85 185.156.72.2, 49699, 80 ITDELUXE-ASRU Russian Federation 10->85 77 C:\Users\...\4FCE3YEB4YBDOYIFTGD7AQWHCZ.exe, PE32+ 10->77 dropped 103 Detected unpacking (changes PE section rights) 10->103 105 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 10->105 107 Query firmware table information (likely to detect VMs) 10->107 109 11 other signatures 10->109 19 4FCE3YEB4YBDOYIFTGD7AQWHCZ.exe 3 10->19         started        23 WerFault.exe 19 16 10->23         started        25 WerFault.exe 2 15->25         started        file6 signatures7 process8 file9 71 C:\Windows\System32\iqvw64o.sys, PE32+ 19->71 dropped 73 C:\Windows\System32\IntelGraphicsDriver.sys, PE32+ 19->73 dropped 95 Multi AV Scanner detection for dropped file 19->95 97 Contains functionality to detect hardware virtualization (CPUID execution measurement) 19->97 99 Sample is not signed and drops a device driver 19->99 101 Tries to detect virtualization through RDTSC time measurements 19->101 27 cmd.exe 19->27         started        29 cmd.exe 19->29         started        31 cmd.exe 1 19->31         started        33 31 other processes 19->33 75 C:\ProgramData\Microsoft\...\Report.wer, Unicode 23->75 dropped signatures10 process11 process12 35 conhost.exe 27->35         started        37 sc.exe 27->37         started        47 4 other processes 29->47 39 conhost.exe 31->39         started        49 2 other processes 31->49 41 sc.exe 1 33->41         started        43 sc.exe 33->43         started        45 conhost.exe 33->45         started        51 62 other processes 33->51 process13 53 Conhost.exe 35->53         started        55 Conhost.exe 35->55         started        57 Conhost.exe 37->57         started        59 Conhost.exe 39->59         started        61 Conhost.exe 41->61         started        63 Conhost.exe 43->63         started        65 Conhost.exe 45->65         started        67 Conhost.exe 47->67         started        69 11 other processes 51->69
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-05-30 06:58:52 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://battlefled.top/gaoi
https://narrathfpt.top/tekq
https://escczlv.top/bufi
https://localixbiw.top/zlpa
https://korxddl.top/qidz
https://harumseeiw.top/tqmn
https://diecam.top/laur/api
https://citellcagt.top/gjtu
https://thundeqqbw.bet/aznd
Unpacked files
SH256 hash:
a9c7541bbfd85b2fbd704f978283938850ac6b6e869796c73dcd6fd8aaf5bd5f
MD5 hash:
603a4fe5b8b926e8477814586c46be2c
SHA1 hash:
c04bc411a1dc6dfd12c74909c7610af13ae7103c
SH256 hash:
cc716ee32b7d3b9d2be6d509dbd13e8721ad9ef0e71e5758b679c56c01dbab43
MD5 hash:
4119da37389214b3714f155be00ee06a
SHA1 hash:
59863913fb6b6c42cf94af0986cba69cec0740a1
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.

Web download

LummaStealer

Executable exe a9c7541bbfd85b2fbd704f978283938850ac6b6e869796c73dcd6fd8aaf5bd5f

(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 (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

Comments