MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a7928fb9b2c8599f90c3126c272f9bf750875f420a3abdc68ec1d05b0d7e346. 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: 7a7928fb9b2c8599f90c3126c272f9bf750875f420a3abdc68ec1d05b0d7e346
SHA3-384 hash: 500248758fac611c849dfeb94208f7d21e5d8bdab32e4a93c8825f27e7ef321f9ede2693552706151aa68fe2e0c9de1b
SHA1 hash: c05cc77debc14bb453306131f4ad5f2c9577be52
MD5 hash: cc459a1db4b82bb1692f0d122d6959a0
humanhash: lithium-berlin-arizona-hot
File name:WWSIGKZ.exe
Download: download sample
Signature LummaStealer
File size:1'887'744 bytes
First seen:2025-04-04 08:36:02 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 49152:3ldPwbAtA/X3OeqEkFOM5siSwtgN2VcX4umx:1dPwbqoOeqEk8M5siBtgwnuA
TLSH T1FB95338E2EC7960FE4AE8C729F559F37DA79911DE422D03E1187190AD38EC39520D1EE
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 :
40
Origin country :
NL NL
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Tags:
virus zpack
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
crypt packed packed packer_detected
Malware family:
LummaC2 Stealer
Verdict:
Malicious
Result
Threat name:
LummaC Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Found malware configuration
Hides threads from debuggers
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 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 steal Crypto Currency Wallets
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Malware.Heuristic
Status:
Malicious
First seen:
2025-04-03 18:27:49 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
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://ztrlxspoty.run/nogoaz
https://jrxsafer.top/shpaoz
https://krxspint.digital/kendwz
https://rhxhube.run/pogrs
https://grxeasyw.digital/xxepw
https://advennture.top/GKsiio
https://targett.top/dsANGt
https://xrfxcaseq.live/gspaz
https://ywmedici.top/noagis
Unpacked files
SH256 hash:
7a7928fb9b2c8599f90c3126c272f9bf750875f420a3abdc68ec1d05b0d7e346
MD5 hash:
cc459a1db4b82bb1692f0d122d6959a0
SHA1 hash:
c05cc77debc14bb453306131f4ad5f2c9577be52
SH256 hash:
ba677c990043c56840c95eefeb6b64b0a8595f1d0bfd2bd02af6f334732aa3b7
MD5 hash:
b652b8fd30e5196c7ab8e8116b17fb0e
SHA1 hash:
6fe3e4afff07802de8b2a19bc66aef27ef7ed81e
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 7a7928fb9b2c8599f90c3126c272f9bf750875f420a3abdc68ec1d05b0d7e346

(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