MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70. 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: 12

Intelligence 12 IOCs YARA 1 File information Comments 1

SHA256 hash:	b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70
SHA3-384 hash:	cbb2d263e3d8694a4c9c8a0748464b47005769cf2201de956f397a9375f924e266cbd3a88123db99fb19eeea51eefb73
SHA1 hash:	cad8cbe8073e05d9caa240e8ba6f0cf67d28a35a
MD5 hash:	4f3a640c8c8023d28833f0db2ee042e9
humanhash:	mountain-nuts-low-two
File name:	4f3a640c8c8023d28833f0db2ee042e9
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	327'680 bytes
First seen:	2024-05-10 15:55:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	c85621604a397e488423155048882e50 (2 x Glupteba, 1 x LummaStealer)
ssdeep	6144:GQQkUA+uJ2emLRDud+ygiu4pL5kE6J7gpBTu:GQQk7JzmLRq+PiLh5r6Jq
TLSH	T16364D01136E5C0B5E17746365834C990563EFC33BFB5BA4B33A87B1F68712A0AA26F11
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	0309052305122300 (1 x LummaStealer)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

419

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70.exe

Verdict:

Malicious activity

Analysis date:

2024-05-10 15:56:10 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/511211a0-3483-4824-bb9a-7a2173fe8e4d

Note:

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

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Clean

Maliciousness:

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint packed

Link:

https://www.filescan.io/uploads/663e43941c9796b80aba059b/reports/f9875afe-aee0-4e7c-83ea-0e7dd3b00bde/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70

Malware family:

STOP Ransomware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/b4bfcd16-04e0-43d7-9f18-747b62721eae

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1439726

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 submitted file

Query firmware table information (likely to detect VMs)

Sample uses string decryption to hide its real strings

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/b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-05-10 15:56:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 38 (39.47%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xgmee2j6pvx3fjrbuj4lfmzwzjqmeygjfqkcqzihi2fyfhe63zya._file

Verdict:

malicious

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma stealer

Link:

https://tria.ge/reports/240510-tdb3tsdf5s/

Behaviour

Program crash

Lumma Stealer

Malware Config

C2 Extraction:

https://whispedwoodmoodsksl.shop/api
https://acceptabledcooeprs.shop/api
https://obsceneclassyjuwks.shop/api
https://zippyfinickysofwps.shop/api
https://miniaturefinerninewjs.shop/api
https://plaintediousidowsko.shop/api
https://sweetsquarediaslw.shop/api
https://holicisticscrarws.shop/api
https://boredimperissvieos.shop/api

Unpacked files

SH256 hash:

b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70

MD5 hash:

4f3a640c8c8023d28833f0db2ee042e9

SHA1 hash:

cad8cbe8073e05d9caa240e8ba6f0cf67d28a35a

Link:

https://www.unpac.me/results/c7b1e162-0f5c-4594-b47f-847192d40483/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b99842693e7d/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/b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70

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

File information

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

Web download

LummaStealer

exe b99842693e7d6fb2a621a278b2b336ca60c260c92c14286507468b829c9ede70

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2845691/

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::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleOutputCP KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::GetSystemDirectoryW KERNEL32.dll::RemoveDirectoryA KERNEL32.dll::GetTempPathA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA

Comments

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zbet commented on 2024-05-10 15:55:15 UTC

url : hxxp://45.129.96.86/file/update.exe