MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3743b3270450dad9fbf2b4a16fdd7fe4a3d1d171720ea738401e467205041f80. 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
| SHA256 hash: | 3743b3270450dad9fbf2b4a16fdd7fe4a3d1d171720ea738401e467205041f80 |
|---|---|
| SHA3-384 hash: | d74da60e21bd2deaf66ad4eea93c636d742436846227136c04d21c87f0d9ecbfa1b02feef1cb72ba06f9985f75e0b641 |
| SHA1 hash: | a7d5d46ece3fe59238b9df17d230c2e0354f9773 |
| MD5 hash: | 231c20b0fbf247fb166c6c0ef7bb268d |
| humanhash: | quiet-double-delaware-white |
| File name: | 231c20b0fbf247fb166c6c0ef7bb268d.exe |
| Download: | download sample |
| Signature | LummaStealer |
| File size: | 544'768 bytes |
| First seen: | 2025-02-28 07:40:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:DL2of9uNKPZnu3eqJS+fg4QqHH9INsFF4R0UyBSKW0lK/MNWqdgJuYuPE9o5:HkM+fjQid93PblKUNWt4YC |
| TLSH | T164C4BF593759CC32C29C0B3BE5D764058BE29903A107FB0E75C927D54C073EEAE4AA9B |
| 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 |  abuse_ch |
| Tags: | exe LummaStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
452
Origin country :
NLVendor Threat Intelligence
Verdict:
Malicious
Score:
90.9%
Tags:
virus msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Searching for the window
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
net_reactor obfuscated obfuscated obfuscated overlay packed packed packer_detected
Verdict:
Malicious
Labled as:
RiskWare[Obfuscator]/MSIL.Reactor
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Result
Threat name:
LummaC Stealer, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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
Joe Sandbox ML detected suspicious 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
Yara detected zgRAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Nekark
Status:
Malicious
First seen:
2025-02-27 16:17:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
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
.NET Reactor proctector
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
Win.Packed.Zusy-10023527-0 stealer lumma_stealer c2 lumma
YARA:
n/a
Unpacked files
SH256 hash:
f28dc202dcede94c5bcc184fdd4c77e4bea941b433d94f984b3bd09bd3e43531
MD5 hash:
3cccfdb560731d5d15386f8d59a62f88
SHA1 hash:
8b837321382332c0668175507719f4ec3086d397
Detections:
win_lumma_auto
LummaStealer
SH256 hash:
3743b3270450dad9fbf2b4a16fdd7fe4a3d1d171720ea738401e467205041f80
MD5 hash:
231c20b0fbf247fb166c6c0ef7bb268d
SHA1 hash:
a7d5d46ece3fe59238b9df17d230c2e0354f9773
Malware family:
Lumma
Verdict:
Malicious
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: | DotNet_Reactor |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on. |
| Rule name: | INDICATOR_EXE_Packed_DotNetReactor |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with unregistered version of .NET Reactor |
| 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
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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