MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6443ec41da4d7d82c2bea21b08b52f233139d4f2e06ee387df96f13d96200752. 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: 8

Intelligence 8 IOCs YARA 15 File information Comments

SHA256 hash:	6443ec41da4d7d82c2bea21b08b52f233139d4f2e06ee387df96f13d96200752
SHA3-384 hash:	84922851131bec053efff1ba3e1c6fcc8274d7e5b1e021d8441601b72697b725914718aae40192f2210f11500ace4cd5
SHA1 hash:	6a14caa1b1170d82c6558b52d747ccdff6ff6ffa
MD5 hash:	5f3fba6f1913b37557bce5dd23fe0041
humanhash:	twelve-lactose-shade-iowa
File name:	Setup-free_FullCrack.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	26'477'494 bytes
First seen:	2024-03-22 14:17:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1fb66a3f798263e7f3c8f2644899fc33 (1 x LummaStealer)
ssdeep	393216:yNkSCIhw0H2ahOWO6RtoDH25n8c5/hQ1CSOZ8qFCLgagsojs20+t:pSCIhw0JhOWVtMHAn8cR61CSs9ags0E+
TLSH	T10C472321BB578036F59211719579BB7ADC29BE216F2946C3BE803F696D332C21B35F02
TrID	61.4% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 15.5% (.EXE) Win64 Executable (generic) (10523/12/4) 7.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.6% (.EXE) Win32 Executable (generic) (4504/4/1) 2.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	e392e6e4ecda9a8c (1 x LummaStealer)
Reporter	likeastar20
Tags:	exe lumma LummaC2 LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

450

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

6443ec41da4d7d82c2bea21b08b52f233139d4f2e06ee387df96f13d96200752.exe

Verdict:

Suspicious activity

Analysis date:

2024-03-22 14:20:21 UTC

Tags:

n/a

Link:

https://app.any.run/tasks/67d4adc7-0621-46a4-8adf-0208a1fde764

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% directory

Creating a window

Creating a file

Creating a process from a recently created file

Creating a file in the %AppData% subdirectories

Launching cmd.exe command interpreter

Unauthorized injection to a recently created process

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Query of malicious DNS domain

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

80%

Tags:

crypto expand explorer fingerprint keylogger lolbin overlay packed shell32

Link:

https://www.filescan.io/uploads/65fd931c87137159d44ec61d/reports/ef065ef5-c281-4ecf-b54e-da93d11cc3f3/overview

Verdict:

Suspicious

Labled as:

Malware.86C4DF69

Link:

https://www.hybrid-analysis.com/sample/6443ec41da4d7d82c2bea21b08b52f233139d4f2e06ee387df96f13d96200752

Score:

15%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/6443ec41da4d7d82c2bea21b08b52f233139d4f2e06ee387df96f13d96200752

Gathering data

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=mrb6yqo2jv6yfqv6uinqrnjpemyttvhs4bxohb67s3yt3fraa5ja._file

Verdict:

unknown

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma stealer

Link:

https://tria.ge/reports/240322-rl99gseg7x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Executes dropped EXE

Loads dropped DLL

Lumma Stealer

Malware Config

C2 Extraction:

https://prematuresolvehumoew.shop/api
https://relevantvoicelesskw.shop/api

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6443ec41da4d/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/6443ec41da4d7d82c2bea21b08b52f233139d4f2e06ee387df96f13d96200752

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:	Check_OutputDebugStringA_iat Create hunting rule

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

Rule name:	DebuggerException__SetConsoleCtrl 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)

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	QbotStuff Create hunting rule
Author:	anonymous

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	without_attachments Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the no presence of any attachment
Reference:	http://laboratorio.blogs.hispasec.com/

Rule name:	with_urls Create hunting rule
Author:	Antonio Sanchez <asanchez@hispasec.com>
Description:	Rule to detect the presence of an or several urls
Reference:	http://laboratorio.blogs.hispasec.com/

File information

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

No further information available

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
AUTH_API	Manipulates User Authorization	ADVAPI32.dll::AllocateAndInitializeSid ADVAPI32.dll::FreeSid ADVAPI32.dll::GetLengthSid ADVAPI32.dll::InitializeAcl ADVAPI32.dll::InitializeSecurityDescriptor ADVAPI32.dll::IsValidSecurityDescriptor
COM_BASE_API	Can Download & Execute components	ole32.dll::CLSIDFromProgID ole32.dll::CoAddRefServerProcess ole32.dll::CoCreateInstance ole32.dll::CreateStreamOnHGlobal
SECURITY_BASE_API	Uses Security Base API	ADVAPI32.dll::AccessCheck ADVAPI32.dll::AddAccessAllowedAce ADVAPI32.dll::AdjustTokenPrivileges ADVAPI32.dll::DuplicateToken ADVAPI32.dll::SetFileSecurityW ADVAPI32.dll::SetSecurityDescriptorDacl
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::ShellExecuteExW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW
SS_API	Uses SS API	ADVAPI32.dll::CryptVerifySignatureW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::CreateProcessW ADVAPI32.dll::OpenProcessToken ADVAPI32.dll::OpenThreadToken WININET.dll::InternetCloseHandle KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetDriveTypeW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::FlushConsoleInputBuffer KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetConsoleMode KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileA KERNEL32.dll::DeleteFileW
WIN_BASE_USER_API	Retrieves Account Information	ADVAPI32.dll::LookupPrivilegeValueW
WIN_CRYPT_API	Uses Windows Crypt API	CRYPT32.dll::CertAddCertificateContextToStore CRYPT32.dll::CertAddCRLContextToStore CRYPT32.dll::CertCompareCertificate CRYPT32.dll::CertCompareCertificateName CRYPT32.dll::CertDeleteCertificateFromStore CRYPT32.dll::CertDeleteCRLFromStore
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyW ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegOpenKeyExA ADVAPI32.dll::RegQueryInfoKeyW
WIN_USER_API	Performs GUI Actions	USER32.dll::FindWindowW USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

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