MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 5f9b7bf8888cafff923dcad8076bbd104e19bc06680c715331ddb28accdf1d34. 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: 13
| SHA256 hash: | 5f9b7bf8888cafff923dcad8076bbd104e19bc06680c715331ddb28accdf1d34 |
|---|---|
| SHA3-384 hash: | 819b7326553b941fe2a2e58e21a47d28006d3c4ef3c1e4a268ecaa6812ce8ec10b134517bd40cf85cdbef53a2ff3b4b7 |
| SHA1 hash: | 7194ece41a522c8b6be2869a8a50f152c1da3803 |
| MD5 hash: | 56c1170157268e27017cfa8b5ebf500a |
| humanhash: | beer-london-papa-video |
| File name: | af53YGc.exe |
| Download: | download sample |
| Signature | LummaStealer |
| File size: | 814'592 bytes |
| First seen: | 2025-02-07 15:54:19 UTC |
| Last seen: | 2025-02-07 15:58:12 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:aU+odduXjbjwg2tmGKvzlj+odduXjbjwg2tmGKvzlf:AkduvjGK7lqkduvjGK7lf |
| TLSH | T11F05F1A4D22FCF26D3CA1375E2861502A7FC0B07DA92FB05A52015E2BD07785A7276F7 |
| TrID | 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.5% (.EXE) Win64 Executable (generic) (10522/11/4) 5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.0% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  aachum |
| Tags: | exe LummaStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
460
Origin country :
ESVendor Threat Intelligence
Detection(s):
Verdict:
Malicious
Score:
91.7%
Tags:
virus msil word
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Searching for the window
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Result
Threat name:
LummaC Stealer, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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 harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Yara detected LummaC Stealer
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Win.Packed.Zusy-10023527-0 lumma_stealer lumma stealer c2
YARA:
n/a
Unpacked files
SH256 hash:
5f9b7bf8888cafff923dcad8076bbd104e19bc06680c715331ddb28accdf1d34
MD5 hash:
56c1170157268e27017cfa8b5ebf500a
SHA1 hash:
7194ece41a522c8b6be2869a8a50f152c1da3803
SH256 hash:
5f52289cb4a665d93846509f8ff59cc19e40e1e43e24f7694f7939458b5783e0
MD5 hash:
0d344e0f85f72bb971f8002bd0329424
SHA1 hash:
ba707f309a449181a036d874814495d673ff4f84
Detections:
win_lumma_auto
LummaStealer
Malware family:
Lumma
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Lumma
Score:
1.00
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: | DotNet_Reactor |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on. |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | PureCrypter |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies PureCrypter, .NET loader and obfuscator. |
| Reference: | https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| 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
Dropped by
Amadey
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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