MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee. 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: 15

Intelligence 15 IOCs YARA 3 File information Comments 1

SHA256 hash:	c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee
SHA3-384 hash:	9ebf5ef8656df27efa7dae41cedef881402db7adbdeff89341564b11173f9b1484c8f8415e90d8f96fa25c1c1e4e6e42
SHA1 hash:	3425c4a4dbe5f82ca89bf9f3642132dbee5dd30c
MD5 hash:	f7a5c03e582fc4a5034da5fa422a0f6c
humanhash:	lion-pip-high-mango
File name:	f7a5c03e582fc4a5034da5fa422a0f6c
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	538'112 bytes
First seen:	2024-06-20 04:43:04 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	99046e3afc60e2ca10c62342349ab573 (3 x LummaStealer, 2 x Vidar, 1 x RiseProStealer)
ssdeep	12288:VExdRcut5khzisOG3eD8zN4mbANhSfmP5xbS8Ejv:VEKutkp3J/bWhTXbSv
TLSH	T1B7B4E001B4C0C472D5A215730AB4D7B66E3EB9714BA19ACF93940E7ECF302C1EA3659B
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

368

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee.exe

Verdict:

Malicious activity

Analysis date:

2024-06-20 04:45:12 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/47db1924-bb2d-4dc9-95ce-83b3bd1c9aa7

Note:

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

Detection(s):

Win.Keylogger.Lazy-10031941-0

Verdict:

Malicious

Score:

81.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6673b5870f8138dd4eb11020win7simulatehigh_evasion

Tags:

Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Creating a window

Forced shutdown of a system process

Query of malicious DNS domain

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/6673b3936b8dba248b43223c/reports/21ebfe1c-444b-4d6d-981a-3f7384fb9cfa/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee

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:

Malicious

Link:

https://analyze.intezer.com/analyses/6d6f8323-a721-4c1e-8b27-8769d5c44372

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1459869

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Found malware configuration

Injects a PE file into a foreign processes

LummaC encrypted strings found

Machine Learning detection for sample

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Snort IDS alert for network traffic

Writes to foreign memory regions

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee/

Threat name:

Win32.Spyware.Risepro

Status:

Malicious

First seen:

2024-06-18 23:44:50 UTC

File Type:

PE (Exe)

AV detection:

30 of 38 (78.95%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=you2wd57ls56zdrmfcqwrwhqysc7nt5j7xoqi3eu6ryeiu7oqxxa._file

Verdict:

malicious

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://tria.ge/reports/240620-fct1cszarc/

Behaviour

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/7ee49439-67f1-44d7-bff9-d8ae9edbede0

Unpacked files

SH256 hash:

74f7bc865ab0e2e491e2d3406696d035f075c41babd5d0d0c2f0d1262d1a4694

MD5 hash:

e31099cfacb430e75de5379eb0670499

SHA1 hash:

fcd02fc7879496e6b61c8af94be98c1af9f63e1e

Detections:

LummaStealer

Link:

https://www.unpac.me/results/55c14a87-0ff0-4c4b-bf49-359222b489bd/

SH256 hash:

c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee

MD5 hash:

f7a5c03e582fc4a5034da5fa422a0f6c

SHA1 hash:

3425c4a4dbe5f82ca89bf9f3642132dbee5dd30c

Link:

https://www.unpac.me/results/55c14a87-0ff0-4c4b-bf49-359222b489bd/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/c3a9ab0fbf5c/report/overview.html

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

LummaStealer

exe c3a9ab0fbf5cbbec8e2c28a168d8f0c485f6cfa9fddd046c94f4704453ee85ee

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2898056/

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

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW

Comments

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zbet commented on 2024-06-20 04:43:05 UTC

url : hxxp://5.42.65.116/lumma1906_2.exe