MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a6cf844b540b1f54fcdd1858932c42c3d93f4e6c783d5092fe3a095c8e1193d. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments

SHA256 hash: 4a6cf844b540b1f54fcdd1858932c42c3d93f4e6c783d5092fe3a095c8e1193d
SHA3-384 hash: b490aa336f378a3eb2fbf76ef6cfb98d29acbeda1a26053d5d7b8492d38025405094dac35821c0467a8d8921f2a732dd
SHA1 hash: d0543728c40eec2cef31193f59d0c43170498d58
MD5 hash: 038bdaff9077d1a9a3a23552ff5adc65
humanhash: comet-maryland-ceiling-white
File name:file
Download: download sample
Signature LummaStealer
File size:1'931'776 bytes
First seen:2025-03-26 13:05:37 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:qORpw9eX+vg/ux2uEaVuFKgD4wFZUdKKZEc:qOk9a+Eux2uVuFXDhrYKt
Threatray 2 similar samples on MalwareBazaar
TLSH T127953315AC337E7BD189AB7063A8D41F52FC2B2415FAC593FEE1546201AB85B18B3D31
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 jstrosch
Tags:exe LummaStealer


Avatar
jstrosch
Found at hxxp://176.113.115[.]7/files/teamex_support/random.exe by #subcrawl

Intelligence


File Origin
# of uploads :
1
# of downloads :
428
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-03-26 13:10:06 UTC
Tags:
lumma stealer

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

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed packed packer_detected
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.
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
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
Yara detected LummaC Stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Lummac
Status:
Malicious
First seen:
2025-03-26 13:06:15 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
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)
Unpacked files
SH256 hash:
4a6cf844b540b1f54fcdd1858932c42c3d93f4e6c783d5092fe3a095c8e1193d
MD5 hash:
038bdaff9077d1a9a3a23552ff5adc65
SHA1 hash:
d0543728c40eec2cef31193f59d0c43170498d58
SH256 hash:
100575b385e98aa5001e545ea7bfe374a9cc204c89ee99af3f8cb1bdd19089d3
MD5 hash:
efa296bd86f2a3bb33393b0f40e23b02
SHA1 hash:
76f0c3197cf5721ced85ea12d0d2f5b12c8e261c
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)
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

LummaStealer

Executable exe 4a6cf844b540b1f54fcdd1858932c42c3d93f4e6c783d5092fe3a095c8e1193d

(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

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