MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b. 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: 11

Intelligence 11 IOCs YARA 3 File information Comments 1

SHA256 hash:	31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b
SHA3-384 hash:	6ece768b55ee4043f73ba4b8b310f051de9c5db9483ff65b0fdd19a7ee5e2724fcb8f633ccad9374a0d5bfbf2c418274
SHA1 hash:	3278b37ac35b877d3d5e9e1aff82d94bce532709
MD5 hash:	cf1d6b216e37745bf725a0b327f0045e
humanhash:	early-queen-delaware-yankee
File name:	cf1d6b216e37745bf725a0b327f0045e
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	363'520 bytes
First seen:	2024-04-01 13:16:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	6c17cd221979c51b4b1f1bc0b7dc863e (2 x LummaStealer, 1 x RiseProStealer)
ssdeep	6144:aR74gEBkjnu0zpAhr5lX8+CcpsUS5YKLFBVERB:a+gEBkjnXAhFlMSpBS5Htm
Threatray	11 similar samples on MalwareBazaar
TLSH	T12E746B03A2E1BF70E62747726F2D8AEC372EF9A19E256B67220B7E0E54701B1D113751
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	0020808000240000 (1 x LummaStealer)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

348

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b.exe

Verdict:

Malicious activity

Analysis date:

2024-04-01 13:56:52 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/35b6659b-b366-4999-aca9-0fb969d717e8

Note:

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

Result

Verdict:

Clean

Maliciousness:

Behaviour

Searching for the window

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b

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/2cf89371-98fd-406a-80ef-c68ae73b1ad5

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1418171

Signature

Antivirus / Scanner detection for submitted sample

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/31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b/

Threat name:

Win32.Spyware.Lummastealer

Status:

Malicious

First seen:

2024-03-31 20:21:32 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gg3kmcbzhllmvxl6vxzim6k2543smde3thudp4oxugve5gt7sanq._file

Verdict:

malicious

LummaStealer

3f843f9cf9346c56f29bceee03b9512d84a92bd94b7b6f4ee668bc4a6e3f8047

LummaStealer

8839e1ba21fa6606dd8a69d32dd023b8a0d846fcafe32ba4e222cd558364e171

LummaStealer

fe2ad4001c817a77de2e7d4ca694833fef66c99beee799333fc84e74da4cad5e

LummaStealer

+ 1 additional samples on MalwareBazaar

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery spyware stealer

Link:

https://tria.ge/reports/240401-qjf27afd79/

Behaviour

Suspicious behavior: EnumeratesProcesses

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Lumma Stealer

Malware Config

C2 Extraction:

https://cleartotalfisherwo.shop/api

Unpacked files

SH256 hash:

c6d797073056a29afc9129a9390ac4ae8a2ba37a9f8d129442977edf0dbc9f3b

MD5 hash:

444e3c22a7ccb02dd5492ff9b85374ef

SHA1 hash:

3b364018f3ff9d2916ee6c373339f2ca9487bccc

Detections:

LummaStealer

Link:

https://www.unpac.me/results/957765c9-d9e8-4848-b81d-7ca3b2c949fb/

SH256 hash:

31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b

MD5 hash:

cf1d6b216e37745bf725a0b327f0045e

SHA1 hash:

3278b37ac35b877d3d5e9e1aff82d94bce532709

Link:

https://www.unpac.me/results/957765c9-d9e8-4848-b81d-7ca3b2c949fb/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/31b6a608393a/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:	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

Rule name:	ThreadControl__Context 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 31b6a608393ad6cadd7eadf286795aef37260c9b99e837f1d7a1aa4e9a7f901b

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2797462/

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
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::FindFirstVolumeMountPointW KERNEL32.dll::FindNextVolumeW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleW KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasA KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::CreateFileW KERNEL32.dll::MoveFileWithProgressA KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceA

Comments

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zbet commented on 2024-04-01 13:16:32 UTC

url : hxxps://petalsforchange.shop/current.exe