MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64. 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 1 File information Comments

SHA256 hash:	99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64
SHA3-384 hash:	a053f33548198b5327c9271d2f02908166e146fa0b7a54bc4685f851b0d9b96982919ee05b5f0d01c8dbb361e5793a56
SHA1 hash:	95e0213ce710abaceb2c0aecfb217aa7b0ac2bcc
MD5 hash:	bb625c966762131e9418f761c448fdd3
humanhash:	west-charlie-romeo-harry
File name:	file
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	2'920'448 bytes
First seen:	2024-10-20 16:11:26 UTC
Last seen:	2024-10-20 16:16:36 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep	49152:YxfX0Nh7FaQMgLlgNHb+iUghtGckIfYfz:88rFa3glgNH95DGef0z
Threatray	205 similar samples on MalwareBazaar
TLSH	T198D53BA1B809B6CBD4AE1774F527CD82682D47F5472048CBE86DA47DBFA3CC015BAC64
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

Bitsight

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

Intelligence

File Origin

# of uploads :

# of downloads :

403

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-20 16:18:25 UTC

Tags:

lumma stealer themida loader stealc amadey botnet

Link:

https://app.any.run/tasks/2b2db099-8014-43ff-a603-cc7e2f12709f

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Verdict:

Clean

Score:

89.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67152bdc9e67c24682027f25

Tags:

shellcode vmdetect

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Searching for analyzing tools

Behavior that indicates a threat

DNS request

Connection attempt

Sending a custom TCP request

Connection attempt to an infection source

Query of malicious DNS domain

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm packed packed packer_detected

Link:

https://www.filescan.io/uploads/67152bd4cb929da7ec4df21e/reports/e3cee75b-995e-444f-9750-56f28f7c6355/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64

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.

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/d8488126-a279-4e9e-ad85-fde07c71f14b

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1538174

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

Hides threads from debuggers

LummaC encrypted strings found

Machine Learning detection for sample

PE file contains section with special chars

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)

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64/

Threat name:

Win32.Infostealer.Tinba

Status:

Malicious

First seen:

2024-10-20 16:12:06 UTC

File Type:

PE (Exe)

AV detection:

13 of 24 (54.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tgsue4ntl7jmhwzq7jigx2gheaiqghkelxjpfcxo3xoo5po6lrsa._file

Verdict:

malicious

Label(s):

lummastealer

Result

Malware family:

stealc

Score:

10/10

Tags:

family:amadey family:lumma family:stealc botnet:9c9aa5 botnet:doma discovery evasion persistence spyware stealer trojan

Link:

https://tria.ge/reports/241020-tnhclayhmm/

Behaviour

Checks processor information in registry

Kills process with taskkill

Modifies registry class

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Windows directory

AutoIT Executable

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Adds Run key to start application

Checks installed software on the system

Checks BIOS information in registry

Checks computer location settings

Executes dropped EXE

Identifies Wine through registry keys

Loads dropped DLL

Reads user/profile data of web browsers

Windows security modification

Downloads MZ/PE file

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Amadey

Lumma Stealer, LummaC

Modifies Windows Defender Real-time Protection settings

Stealc

Malware Config

C2 Extraction:

https://clearancek.site
https://licendfilteo.site
https://spirittunek.store
https://bathdoomgaz.store
https://studennotediw.store
https://dissapoiznw.store
https://eaglepawnoy.store
https://mobbipenju.store
http://185.215.113.43
http://185.215.113.37

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/56771c63-d270-4ca9-b1a1-cadea1a32096

Unpacked files

SH256 hash:

8a15152c352d83240fc738cd5d49e79c2e27607ff4e38d282e6055a22e1212d0

MD5 hash:

619749fb0d14d116d5969d1acf5c4192

SHA1 hash:

41d7a85607550790ac01dff70803419430a8c162

Detections:

LummaStealer

Link:

https://www.unpac.me/results/4bc4cbde-71e6-40c1-9ca0-f41e69fe3575/

SH256 hash:

99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64

MD5 hash:

bb625c966762131e9418f761c448fdd3

SHA1 hash:

95e0213ce710abaceb2c0aecfb217aa7b0ac2bcc

Link:

https://www.unpac.me/results/4bc4cbde-71e6-40c1-9ca0-f41e69fe3575/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/99a54271b35f/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64

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:	vmdetect Create hunting rule
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

exe 99a54271b35fd2c3db30fa506be8c72011031d445dd2f28aeedddceebdde5c64

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3245480/

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 (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

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