MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 663a74437e86b0bf7008ac4438821bf6c2adc65abf946b81014649a2fc23d294. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments

SHA256 hash: 663a74437e86b0bf7008ac4438821bf6c2adc65abf946b81014649a2fc23d294
SHA3-384 hash: b461b81638a04181536306cc82abaa4821987b6f00fc2797d9dfbdb4591c9a574b95ff717d5b825e50a03515c42a80e0
SHA1 hash: 61365a9f474ed89cc6bcc45bd08355a381cacb85
MD5 hash: b51d856b18ecfad7b127881f7819409b
humanhash: nineteen-sink-delta-double
File name:b51d856b18ecfad7b127881f7819409b.exe
Download: download sample
Signature LummaStealer
File size:2'982'400 bytes
First seen:2024-12-23 06:55:44 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:NFkZEUNMWcDPeBPuD5JL9XAuo0QsREgddD/ZF1Qj6CIXl66pjUNqn3RAqU:TkEUNVcDPeBPuD5JRRom0FIXk6d53N
TLSH T1ACD52AE2B50962CFD08E16F89427ED826D5D43BD8B2549C79C2C747A6E7BCC021F6C29
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 abuse_ch
Tags:exe LummaStealer

Intelligence


File Origin
# of uploads :
1
# of downloads :
401
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
tight.exe
Verdict:
Malicious activity
Analysis date:
2024-12-23 07:48:17 UTC
Tags:
telegram lumma stealer evasion floxif agenttesla exfiltration loader stealc cryptbot dcrat rat arch-exec smtp golang backdoor spyware autoit blackmoon xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
96.5%
Tags:
shellcode virus zusy
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
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed packed packer_detected
Result
Verdict:
MALICIOUS
Result
Threat name:
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
LummaC encrypted strings found
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Performs DNS queries to domains with low reputation
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.Vigorf
Status:
Malicious
First seen:
2024-12-22 20:39:31 UTC
File Type:
PE (Exe)
AV detection:
28 of 38 (73.68%)
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
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
Malware Config
C2 Extraction:
https://pollution-raker.cyou/api
https://hosue-billowy.cyou/api
https://ripe-blade.cyou/api
https://smash-boiling.cyou/api
https://supporse-comment.cyou/api
https://greywe-snotty.cyou/api
https://steppriflej.xyz/api
https://sendypaster.xyz/api
https://cuddlyready.xyz/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f9d2c52803ee9f675b97f4b467f6d36016ef240b9ed8b1f628e6f7f95dc04ae1
MD5 hash:
13564b9e0919b04a7f2eca88b17e2c2d
SHA1 hash:
d3c3495e3608ae70a037c2e060c47c92600c8a47
SH256 hash:
663a74437e86b0bf7008ac4438821bf6c2adc65abf946b81014649a2fc23d294
MD5 hash:
b51d856b18ecfad7b127881f7819409b
SHA1 hash:
61365a9f474ed89cc6bcc45bd08355a381cacb85
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
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 663a74437e86b0bf7008ac4438821bf6c2adc65abf946b81014649a2fc23d294

(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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