MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4be91a2e91e022ba9bad0a565b4933d62736fb3ddc6a8ecea6536349325e411d. 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 1 File information Comments

SHA256 hash: 4be91a2e91e022ba9bad0a565b4933d62736fb3ddc6a8ecea6536349325e411d
SHA3-384 hash: b4362639ad0c71b2093d252bad7d596c88e63d71a4bd81a3a41cbd71e00c477d86b3a9a9c1fb15b8e708018e6a6255e3
SHA1 hash: e14d366129a5af8a59f8ebb8bd7617c05ff473a5
MD5 hash: 3f5944984b2a8820af95c9aaf8b313d2
humanhash: magazine-nitrogen-carolina-violet
File name:file
Download: download sample
Signature LummaStealer
File size:1'835'520 bytes
First seen:2024-12-02 18:19:57 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:muIecadYOvlExm01YL60Hg1eYdvZRbi7bbvRV:muIecuYO2xm01G60QbdvnG7bDR
TLSH T13E8533576B30B928CD1CD1FA569387D9FB65D548A2DE31EF7F210CA668325B2D083322
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 Bitsight
Tags:exe LummaStealer


Avatar
Bitsight
url: http://185.215.113.16/luma/random.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
420
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2024-12-02 18:24:09 UTC
Tags:
themida lumma loader stealer stealc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
extens trojan spam sage
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
Behavior that indicates a threat
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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
AI detected suspicious sample
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
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
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.Symmi
Status:
Malicious
First seen:
2024-12-02 18:20:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
lummastealer
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:lumma discovery evasion stealer
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Program crash
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Lumma Stealer, LummaC
Lumma family
Verdict:
Suspicious
Tags:
c2 Lumma_Stealer Stealer lumma
YARA:
n/a
Unpacked files
SH256 hash:
8e5117ad5e8f04f53539486443902a421fb1e4b86f0c89a6363f8a18f1f39a22
MD5 hash:
a4f79960ff08d55c8359c6eff4ed9b41
SHA1 hash:
e4d4e48c0e6a056fa60a0f205fe5649b4797f663
SH256 hash:
4be91a2e91e022ba9bad0a565b4933d62736fb3ddc6a8ecea6536349325e411d
MD5 hash:
3f5944984b2a8820af95c9aaf8b313d2
SHA1 hash:
e14d366129a5af8a59f8ebb8bd7617c05ff473a5
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 4be91a2e91e022ba9bad0a565b4933d62736fb3ddc6a8ecea6536349325e411d

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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