MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928. 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: 14

Intelligence 14 IOCs YARA 22 File information Comments

SHA256 hash:	a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928
SHA3-384 hash:	324517c970cdb982a01e6445fd48bcffe42678d0ce4fe22650df1cda2e21eb626b702b88ca1c1d127fb74ddce36a4a98
SHA1 hash:	e6dff80e3fbc138669f2a00d980e56c90168b596
MD5 hash:	d0e0173cc55e6c05976a99c9184e8e7b
humanhash:	october-april-sink-east
File name:	d0e0173cc55e6c05976a99c9184e8e7b.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	7'395'840 bytes
First seen:	2024-07-03 15:21:52 UTC
Last seen:	2024-07-03 16:38:25 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	5929190c8765f5bc37b052ab5c6c53e7 (74 x LummaStealer, 14 x RedLineStealer, 8 x Stealc)
ssdeep	49152:g/BXLTVIEpSDDXjDU9oAlGSQcqLMmVssAbVSrpcWPME0d0GGlzuO3NzAojj05EiT:CdnV1azs9oAuW7s2FE0/GlS1EV+s9QO
Threatray	1 similar samples on MalwareBazaar
TLSH	T141766B07EC9145E8C0AAD235857282627B717C484B3127E72B60F7393F76BE06EBA754
TrID	41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10523/12/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	04000c4d4d4c0008 (1 x LummaStealer)
Reporter	abuse_ch
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

368

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928.exe

Verdict:

Malicious activity

Analysis date:

2024-07-03 15:23:12 UTC

Tags:

lumma udp stealer

Link:

https://app.any.run/tasks/50514221-f317-449c-b41c-b468a7340da0

Note:

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

Detection(s):

SecuriteInfo.com.Win64.Malware-gen.1314.32560.UNOFFICIAL

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66856d3f3d6edae3fa54506awin10vpnfull_triage

Tags:

Generic Stealth Agent

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file

Launching a process

DNS request

Connection attempt

Sending a custom TCP request

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug anti-vm golang mingw python rat

Link:

https://www.filescan.io/uploads/66856c9bef9fdf64aa71fbf2/reports/37dcc917-e460-4b7c-8af4-057316c0fe45/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928

Result

Verdict:

MALICIOUS

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/de52f697-dc4a-413c-b29d-02e7799ece17

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1467054

Signature

AI detected suspicious sample

Allocates memory in foreign processes

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:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-07-03 01:46:48 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

16 of 38 (42.11%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=utwk3egqdesdskcpvkiluezc2h6lji6wfoqraya2fnscaeu65eua._file

Verdict:

malicious

LummaStealer

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://tria.ge/reports/240703-srwhysvgre/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/eb527f82-d113-44ea-b19a-e852562d4bed

Unpacked files

SH256 hash:

a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928

MD5 hash:

d0e0173cc55e6c05976a99c9184e8e7b

SHA1 hash:

e6dff80e3fbc138669f2a00d980e56c90168b596

Link:

https://www.unpac.me/results/f7115e52-fff2-4f6a-b5e7-f6fc82a70d51/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a4ecad90d019/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/a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

File information

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

Web download

LummaStealer

exe a4ecad90d0192439284faa90ba1322d1fcb4a3d62ba110601a2b6420129ee928

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2919979/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2920730/

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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