MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45. 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 1

SHA256 hash:	ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45
SHA3-384 hash:	f706ec41b0e219af9449265d1ae96dfd09ea3dd2af8aa28ca7662d7ab074c8dc88dc8d138cbe93deccfb06d034fbd8c8
SHA1 hash:	4bbb7e7bc037dd13c77d77b5e60344af99d98aa7
MD5 hash:	ea63aee1703bf8384b1d3147a88b2a2a
humanhash:	spaghetti-music-ten-maryland
File name:	ea63aee1703bf8384b1d3147a88b2a2a
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	359'936 bytes
First seen:	2024-03-24 05:54:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2d647858024fd9fb9c601e98afa143d2 (2 x LummaStealer)
ssdeep	6144:1MEequGqKGJWHKWB3BC2kVa51Vh6D6cqQQurhLk7t:YGqK+YBxRk451VhO6cTZQ
TLSH	T16974DF013AE2E471E1F647321A749AD5063FFC7399758A9B3394270E6C712C25A73BA3
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)
File icon (PE):
dhash icon	020604091a183000 (1 x LummaStealer)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

410

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45.exe

Verdict:

Malicious activity

Analysis date:

2024-03-24 05:56:01 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/00ec9362-4677-423e-8c0c-878b6d655239

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt to an infection source

Sending an HTTP GET request

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Forced system process termination

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

No Threat

Threat level:

10/10

Confidence:

100%

Tags:

fingerprint

Link:

https://www.filescan.io/uploads/65ffc0375810ce66d14a4428/reports/2e33e9f9-af0e-47e1-9895-74041e37b8c2/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45

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/a060afa0-63f1-4c32-8863-98c20664e2c6

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1414634

Signature

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)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

LummaC encrypted strings found

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Query firmware table information (likely to detect VMs)

Sample uses string decryption to hide its real strings

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45/

Threat name:

Win32.Trojan.LummaStealer

Status:

Malicious

First seen:

2024-03-24 05:55:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 23 (73.91%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=54hszjy3zmvubiswl5wttoj65yqe4kpdtlcuu276atjm2fl6jzcq._file

Verdict:

malicious

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma stealer

Link:

https://tria.ge/reports/240324-gmffdsac48/

Behaviour

Program crash

Lumma Stealer

Malware Config

C2 Extraction:

https://deadpanstupiddyjjuwk.shop/api
https://associationokeo.shop/api

Unpacked files

SH256 hash:

99663962930d236134353c02f5e71d1a96418f5a4a12f9339f735e758d6a9f90

MD5 hash:

76a2b779130dbc38404431d7c6a3f197

SHA1 hash:

f6d6dc4e5d4f2ee2e9c3171328af9930401a9cb0

Link:

https://www.unpac.me/results/320873a5-78d0-4f0b-afa2-99ae6855b8b9/

SH256 hash:

ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45

MD5 hash:

ea63aee1703bf8384b1d3147a88b2a2a

SHA1 hash:

4bbb7e7bc037dd13c77d77b5e60344af99d98aa7

Link:

https://www.unpac.me/results/320873a5-78d0-4f0b-afa2-99ae6855b8b9/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ef0f2ca71bcb/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/ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45

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

Rule name:	EXE_Stealer_StealC_Feb2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

File information

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

Web download

LummaStealer

exe ef0f2ca71bcb2b40a2565f6d39b93eee204e29e39ac54a6bfe04d2cd157e4e45

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2790629/

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_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeMountPointA KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::PeekConsoleInputA KERNEL32.dll::ReadConsoleA KERNEL32.dll::SetConsoleTextAttribute KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceA

Comments

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zbet commented on 2024-03-24 05:54:38 UTC

url : hxxp://changingpetals.com/current.exe