MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31c434fa385f0e012b82c47e667bd6843524a53a5a73a4ec881d42ecc450ac26. 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


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: 31c434fa385f0e012b82c47e667bd6843524a53a5a73a4ec881d42ecc450ac26
SHA3-384 hash: cde5540de86a12e94cd30ba6aa16b1f08ce14861d2448a02efa5bded5a7e365597c8aee2c0177e7d90a54eed81240756
SHA1 hash: c12efb8c7765ca90b8ffbfa3cdb14d3830104e8e
MD5 hash: 1d0451e5d4d4d6003480dc9746e6542a
humanhash: georgia-helium-violet-charlie
File name:file
Download: download sample
Signature LummaStealer
File size:1'815'552 bytes
First seen:2024-11-30 19:47:27 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:fRDvZmGx1OLr91n1tFecdd3Nk0bL92s1TrJR4Chkp:fRDvJ1OLRPtgcPNrbL92sJrD5m
TLSH T1218533ABAB20B8BCE091EB3624C52315138532752275E8944B670DBC54F70DBF7AFC96
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 :
411
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
31c434fa385f0e012b82c47e667bd6843524a53a5a73a4ec881d42ecc450ac26
Verdict:
Malicious activity
Analysis date:
2024-12-01 12:46:03 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:
vmdetect spam
Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm packed packed packer_detected
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
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)
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:
2024-11-30 19:48:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
21 of 38 (55.26%)
Threat level:
  5/5
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:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c33fc74a5eee02ef8d241aa75256a119400ad1758f9a1e84aec36f485e71c72f
MD5 hash:
ce9d825b43454f76856f3ee7e94019b5
SHA1 hash:
2a5d09abf4708ff18896576d74dd59c3c5371962
SH256 hash:
31c434fa385f0e012b82c47e667bd6843524a53a5a73a4ec881d42ecc450ac26
MD5 hash:
1d0451e5d4d4d6003480dc9746e6542a
SHA1 hash:
c12efb8c7765ca90b8ffbfa3cdb14d3830104e8e
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 31c434fa385f0e012b82c47e667bd6843524a53a5a73a4ec881d42ecc450ac26

(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

Comments