MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2. 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 32 File information Comments

SHA256 hash:	b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2
SHA3-384 hash:	ee918a4847b2edc534bde1b9e12da69e44120643ded7d01a8733dacaac6b38e870cc4f13e53f83534de640d4fd657483
SHA1 hash:	5bf4e06b683c07b6b59da041bc81fdc0e2accf5c
MD5 hash:	9635389d4492a1bb338d7467cc79a84f
humanhash:	foxtrot-nuts-harry-black
File name:	file
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	4'954'624 bytes
First seen:	2024-07-05 14:33:18 UTC
Last seen:	2024-07-12 12:59:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	5929190c8765f5bc37b052ab5c6c53e7 (74 x LummaStealer, 14 x RedLineStealer, 8 x Stealc)
ssdeep	49152:ZadqSJa0AzAku0pfKEae72f9tMcf3gBXkjV5Eh/GRJcwq7lSv5TG11kA:IbJa0AFjk5E8a1D
TLSH	T12D364A57EC96D5ECC0A9B23085669352BA617C880B3033D72A70BA683F7EBD39D75710
TrID	32.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 20.9% (.EXE) Win64 Executable (generic) (10523/12/4) 19.9% (.EXE) DOS Borland compiled Executable (generic) (10000/1/2) 10.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	0ec19ccaceda9b64 (1 x LummaStealer)
Reporter	Bitsight
Tags:	exe LummaStealer

Bitsight

url: http://43.153.49.49:8888/down/0GPThy6iSZBT.exe

Intelligence

File Origin

# of uploads :

# of downloads :

426

Origin country :

Vendor Threat Intelligence

Malware family:

phorpiex

ID:

File name:

Setup.ZIP

Verdict:

Malicious activity

Analysis date:

2024-07-05 00:22:13 UTC

Tags:

phorpiex zphp loader opendir telegram stealer vidar payload ta558 apt stegocampaign ransomware wacatac deathransom mpress upx meterpreter backdoor metasploit mimikatz tools evasion ip-check blackmoon shellcode cobaltstrike redline metastealer amadey botnet exfiltration stealc remcos rat remote netreactor

Link:

https://app.any.run/tasks/5756e020-04f6-4c33-95e0-64630b0b2fd8

Note:

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

Detection(s):

SecuriteInfo.com.Win64.Trojan.Agent.BWQB6M.10852.8433.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66880565198688a994b7b321win10vpnfull_triage

Tags:

Generic Stealth Heur

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sending a custom TCP request

Searching for the window

Creating a file

Launching a process

DNS request

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

90%

Tags:

anti-debug golang mingw python rat

Link:

https://www.filescan.io/uploads/6688045b21581a9281a188fd/reports/fba367db-23f2-4b62-99d5-aefafff1239a/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2

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:

Unknown

Link:

https://analyze.intezer.com/analyses/ee79fa12-6674-4ed0-87ce-175ce4ba789e

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1468272

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

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

Injects a PE file into a foreign processes

LummaC encrypted strings found

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 harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

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/b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-07-04 23:45:36 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

13 of 38 (34.21%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wtemvpnukswqqvmwarc6xwmltn5v7kzflrrkg3k3gsxfoxgo4dza._file

Verdict:

unknown

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma spyware stealer

Link:

https://tria.ge/reports/240705-rxelyszflk/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Lumma Stealer

Malware Config

C2 Extraction:

https://radiationnopp.shop/api

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/eefe9878-2e86-43f9-aeea-7590eb431117

Unpacked files

SH256 hash:

b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2

MD5 hash:

9635389d4492a1bb338d7467cc79a84f

SHA1 hash:

5bf4e06b683c07b6b59da041bc81fdc0e2accf5c

Link:

https://www.unpac.me/results/30642ece-0d4e-4c11-a3b5-9d56ddf59085/

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/b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2

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:	BitcoinAddress Create hunting rule
Author:	Didier Stevens (@DidierStevens)
Description:	Contains a valid Bitcoin address

Rule name:	Borland Create hunting rule
Author:	malware-lu

Rule name:	Check_OutputDebugStringA_iat Create hunting rule

Rule name:	command_and_control Create hunting rule
Author:	CD_R0M_
Description:	This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group

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

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

Rule name:	DebuggerException__ConsoleCtrl 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:	GoBinTest Create hunting rule

Rule name:	golang Create hunting rule

Rule name:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

Rule name:	golang_duffcopy_amd64 Create hunting rule

Rule name:	HiveRansomware Create hunting rule
Author:	Dhanunjaya
Description:	Yara Rule To Detect Hive V4 Ransomware

Rule name:	identity_golang Create hunting rule
Author:	Eric Yocam
Description:	find Golang malware

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

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

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

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:	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 b4c8cabdb454ad0855960445ebd98b9b7b5fab255c62a36d5b34ae575ccee0f2

(this sample)

Dropped by

Privateloader

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2920866/

URLhaus

https://urlhaus.abuse.ch/url/2934607/

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 (GUARD_CF)	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryExW KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetSystemDirectoryA

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