MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac. 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:	3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac
SHA3-384 hash:	e55ddbe8448cbd9b820daf98d899ad42527d508ed9481d253066b1b2162cf04c33b6662f9fd5d7f99c2be3d905ae8ba3
SHA1 hash:	7c661c0e97551947f69f8fadb161f8c2ce27ad91
MD5 hash:	930562520532910ff3be6fd745644639
humanhash:	uranus-fifteen-maryland-blossom
File name:	file
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	2'954'240 bytes
First seen:	2024-10-15 01:16:17 UTC
Last seen:	2024-10-15 02:26:55 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:s9EFfe7xi4t/+rWQpbMXHhGReKwgot1nryX:s9EFfio4tWCQ4HhEengot10
TLSH	T139D56BA1BA0972CFD08E17B8543BCD8A6D9D43B9471059C7AD5C687AFDB3CC112B9C28
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://185.215.113.103/luma/random.exe

Intelligence

File Origin

# of uploads :

# of downloads :

410

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2024-10-15 01:20:30 UTC

Tags:

lumma stealer opendir loader stealc amadey botnet themida

Link:

https://app.any.run/tasks/96124a93-00b8-42a5-b37f-2388cd602d24

Note:

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

Detection(s):

SecuriteInfo.com.Win32.Evo-gen.26535.2847.UNOFFICIAL

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=670dc2901d4ef219fa62b0c8

Tags:

Shellcode Vmdetect

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm anti-vm evasive fingerprint packed

Link:

https://www.filescan.io/uploads/670dc28e9c6b7ca2410879cf/reports/5a800bd6-6b27-46ad-b046-8c647aa6b835/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/0fb5ff20-2356-4757-98d3-f9ef6026911f

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1533692

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/3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac/

Threat name:

Win32.Infostealer.Tinba

Status:

Malicious

First seen:

2024-10-15 01:17:13 UTC

File Type:

PE (Exe)

AV detection:

14 of 38 (36.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gzaetc3egygqh2amrp45kxmh3lm3u6352dwfddpev7a2v46vxwwa._file

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery evasion stealer

Link:

https://tria.ge/reports/241015-bnc4rszfpr/

Behaviour

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

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

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/617eecaf-cec9-4f2a-a138-bc8f5fa297e1

Unpacked files

SH256 hash:

89102aec716c2fb5ed90ab8f7117a58e0b4d3adfc4bab81e16b0a2514a494752

MD5 hash:

cdf6633183fa0ed7ed87eb6c33996053

SHA1 hash:

3de4b6354c920b25786067383079ba96447390f0

Detections:

LummaStealer

Link:

https://www.unpac.me/results/6f84565a-081e-4f31-9fb6-415af7c6df4d/

SH256 hash:

3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac

MD5 hash:

930562520532910ff3be6fd745644639

SHA1 hash:

7c661c0e97551947f69f8fadb161f8c2ce27ad91

Link:

https://www.unpac.me/results/6f84565a-081e-4f31-9fb6-415af7c6df4d/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3640498b6436/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/3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac

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 3640498b64360d03e80c8bf9d55d87dad9ba7b7dd0ec518de4afc1aaf3d5bdac

(this sample)

Dropped by

Amadey

Delivery method

Distributed via web download

Dropped by

Amadey

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3214672/

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

Comments

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