MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937. 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 21 File information Comments

SHA256 hash:	28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937
SHA3-384 hash:	de4fcb29272f0a0e897b36134439a3ad8cba184be83ffee0b28a29ba93ccd926bb1d6e62c18576f7097a5e31f5e5f7eb
SHA1 hash:	489c196d3e313032da47601df8647867d382b08e
MD5 hash:	92b6e6827ab8d9a76cad79b821c65741
humanhash:	alabama-lion-wolfram-delaware
File name:	Setup.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	1'901'408 bytes
First seen:	2025-08-09 08:21:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d42595b695fc008ef2c56aabd8efd68e (128 x Vidar, 92 x Rhadamanthys, 51 x Stealc)
ssdeep	24576:2wM+beNnz6oBr/hdlFB68RBibC4320AguAcF3QbM1SjeleN7j4HR4NWRtJTU:2wMMeBz6AdDBZsbC4G1DF3IUxwWW
Threatray	19 similar samples on MalwareBazaar
TLSH	T1B0955C1AAC9005EFD4B663B64CF652857FB6B8040F3223CB6B50B9742E772D19D78784
TrID	44.4% (.EXE) Win64 Executable (generic) (10522/11/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	06208c868686303a (7 x LummaStealer, 2 x RaccoonStealer, 2 x RecordBreaker)
Reporter	burger
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

Setup.exe

Verdict:

Malicious activity

Analysis date:

2025-08-09 08:21:37 UTC

Tags:

telegram lumma stealer qrcode

Link:

https://app.any.run/tasks/9decdf3a-f742-4100-b1f9-fb8493044e6d

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/19854/

Verdict:

Malicious

Score:

70%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689705111e8a59ee04e7e13a

Tags:

injection emotet obfusc

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

DNS request

Connection attempt

Sending a custom TCP request

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/8aa64121-4b95-4623-97b2-e88f4d61e637

Result

Threat name:

LummaC Stealer

Detection:

malicious

Classification:

troj.spyw.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1753612

Signature

C2 URLs / IPs found in malware configuration

Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)

Found malware configuration

Injects a PE file into a foreign processes

Injects code into the Windows Explorer (explorer.exe)

Multi AV Scanner detection for submitted file

Potentially malicious time measurement code found

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Query firmware table information (likely to detect VMs)

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

System process connects to network (likely due to code injection or exploit)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Tries to steal from password manager

Writes to foreign memory regions

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

59%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PE (Portable Executable) Win 64 Exe x64

Link:

https://app.malva.re/file/92b6e6827ab8d9a76cad79b821c65741

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937/

Verdict:

Malicious

Threat:

Family.LUMMA

Link:

https://tip.neiki.dev/file/28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937

Threat name:

Win64.Trojan.LummaStealer

Status:

Malicious

First seen:

2025-08-09 08:21:38 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

19 of 23 (82.61%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fcrwdnbwy4e2p3mgi3l4wueqrp54r23vrskyft66zwm7hshole3q._file

Verdict:

malicious

Label(s):

lummastealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/250809-j9ztnaylw8/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Lumma Stealer, LummaC

Lumma family

Malware Config

C2 Extraction:

https://t.me/sadfgsdfgdfg124
https://smockle.top/zajr
https://mastwin.in/qsaz/api
https://ordinarniyvrach.ru/xiur/api
https://yamakrug.ru/lzka/api
https://vishneviyjazz.ru/neco/api
https://yrokistorii.ru/uqya/api
https://stolewnica.ru/xjuf/api
https://visokiywkaf.ru/mmtn/api
https://kletkamozga.ru/iwyq/api

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/828eb619-dae4-4b00-ba0d-352a0aa520f3

Unpacked files

SH256 hash:

28a361b436c709a7ed8646d7cb50908bfbc8eb758c9582cfdecd99f3c8ee5937

MD5 hash:

92b6e6827ab8d9a76cad79b821c65741

SHA1 hash:

489c196d3e313032da47601df8647867d382b08e

Link:

https://www.unpac.me/results/0c3a68f1-e884-4ab6-afe2-ad77b79b6f85/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/28a361b436c7/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:	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:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectGoMethodSignatures Create hunting rule
Author:	Wyatt Tauber
Description:	Detects Go method signatures in unpacked Go binaries

Rule name:	Detect_Go_GOMAXPROCS Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata

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_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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:	Lumma Create hunting rule
Author:	kevoreilly
Description:	Lumma Payload

Rule name:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	ProgramLanguage_Golang Create hunting rule
Author:	albertzsigovits
Description:	Application written in Golang programming language

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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

Rule name:	win_lumma_generic Create hunting rule
Author:	dubfib

File information

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

Cape

https://www.capesandbox.com/analysis/19854/

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::CloseHandle kernel32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryW kernel32.dll::LoadLibraryExW kernel32.dll::GetSystemInfo
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::GetSystemDirectoryA

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