MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91bbbb658441616f4e251ec152a328c8b4a6b4cb00d9fbd0de834c3a151b4aaa. 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: 13

Intelligence 13 IOCs YARA 18 File information Comments

SHA256 hash:	91bbbb658441616f4e251ec152a328c8b4a6b4cb00d9fbd0de834c3a151b4aaa
SHA3-384 hash:	e979e40dd39381e92da8d8cd5554803ae88ebc23bbcdb24a15180e690b01148346e9a0859c188b9ab4e27a94d6118ede
SHA1 hash:	3b7c82d1808b9d6db358b3549c480e8a752d55fa
MD5 hash:	9bcc87ab4bb7d52a410684c7c2b3d11a
humanhash:	enemy-orange-november-sierra
File name:	9bcc87ab4bb7d52a410684c7c2b3d11a.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	43'144'728 bytes
First seen:	2025-04-11 06:33:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	bf95d1fc1d10de18b32654b123ad5e1f (327 x LummaStealer, 65 x Rhadamanthys, 25 x Vidar)
ssdeep	786432:WBdkwtikVeT13mq8hhxdkmwFcsCliRK+6:WBdkCDK1WVhndkmw6sCliRK+6
Threatray	570 similar samples on MalwareBazaar
TLSH	T1F097AD11B7C88075E2FB2234687A6736567EBD305FE081CB6750BAAE2D706C19E3435B
TrID	74.6% (.IME) Microsoft Input Method Editor (365088/19/49) 8.4% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9) 6.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 3.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 2.1% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika	pebin
dhash icon	1be4e49ab4f4cc23 (1 x LummaStealer)
Reporter	abuse_ch
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

451

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

9bcc87ab4bb7d52a410684c7c2b3d11a.exe

Verdict:

Malicious activity

Analysis date:

2025-04-11 06:38:09 UTC

Tags:

autoit stealer lumma autoit-loader

Link:

https://app.any.run/tasks/7e3481a3-4ce1-47b8-94e5-ba2c33d47793

Note:

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

Verdict:

Malicious

Score:

91.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67f8b8d4d6e7c3effacfb424

Tags:

stealer virus sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %temp% directory

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Using the Windows Management Instrumentation requests

Searching for synchronization primitives

Searching for the window

Creating a file

Creating a process from a recently created file

DNS request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm anti-vm bash control crypter evasive explorer ftp hacktool installer lolbin microsoft_visual_cc msiexec net overlay overlay packed packed regasm remote rundll32

Link:

https://www.filescan.io/uploads/67f8b7e12d430c849e133e91/reports/cca659cc-0441-40b5-82f5-f5392bd3f0fe/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/91bbbb658441616f4e251ec152a328c8b4a6b4cb00d9fbd0de834c3a151b4aaa

Result

Threat name:

LummaC Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1662844

Signature

Antivirus detection for URL or domain

Creates HTML files with .exe extension (expired dropper behavior)

Drops PE files with a suspicious file extension

Joe Sandbox ML detected suspicious sample

Multi AV Scanner detection for submitted file

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

Query firmware table information (likely to detect VMs)

Sigma detected: Search for Antivirus process

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

Tries to harvest and steal ftp login credentials

Tries to steal Crypto Currency Wallets

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

20%

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/91bbbb658441616f4e251ec152a328c8b4a6b4cb00d9fbd0de834c3a151b4aaa

Gathering data

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2025-04-07 11:41:45 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

12 of 36 (33.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sg53wzmeifqw6trfd3avfizizc2knngladm7xug6qngdufi3jkva._file

Verdict:

malicious

Label(s):

lummastealer

LummaStealer

22ed924f01afc947618c29365ef37d09a8cb5a195bd7413b5902906be43b15fb

LummaStealer

502f2485bf50fed52326de41cee68d08f4c0cb5fbe2383ae1f03f5bdc87d2e1e

LummaStealer

8972f78a13ce283e5e66aa5fda7757883cee93bc9002c456505c1dcfcfbb9204

LummaStealer

dea66ed67e46d3d36c95a7ebb9bd67f087a7e8b91fea959ce60c5415f805a9e9

LummaStealer

df31b297defa691003a2c310ded8c69f4c3465288ed46b859b1581c7c686cb04

LummaStealer

e5fd772ea11b4fc2889a6b5d28200d7fd838d93700b7c3649ef2a2b55d90aafd

LummaStealer

e9d527d54464118a47eaf72c4b18171e71011471b811a638e75c0b37289f2765

LummaStealer

error

LummaStealer

+ 560 additional samples on MalwareBazaar

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery spyware stealer

Link:

https://tria.ge/reports/250411-hbsr1ssjs6/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Windows directory

Enumerates processes with tasklist

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Executes dropped EXE

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Lumma Stealer, LummaC

Lumma family

Malware Config

C2 Extraction:

https://-tiltvc.digital/kepo
https://jrxsafer.top/shpaoz
https://plantainklj.run/opafg
https://puerrogfh.live/iqwez
https://quavabvc.top/iuzhd
https://advennture.top/GKsiio
https://targett.top/dsANGt
https://rambutanvcx.run/adioz
https://ywmedici.top/noagis

Verdict:

Malicious

Tags:

cryptomix cryptomix

YARA:

n/a

Link:

https://app.threat.zone/submission/99ec5d6e-0d7f-4a39-900e-6acbe54e6e13

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/91bbbb658441616f4e251ec152a328c8b4a6b4cb00d9fbd0de834c3a151b4aaa

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

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

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

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

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

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

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

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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:	SUSP_NET_Msil_Suspicious_Use_StrReverse Create hunting rule
Author:	dr4k0nia, modified by Florian Roth
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:	https://github.com/dr4k0nia/yara-rules

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

File information

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

No further information available

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
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance
SHELL_API	Manipulates System Shell	SHELL32.dll::ShellExecuteW SHELL32.dll::SHFileOperationW SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessW KERNEL32.dll::OpenProcess KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetDiskFreeSpaceW KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CopyFileW KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::DeleteFileW KERNEL32.dll::MoveFileW KERNEL32.dll::GetWindowsDirectoryW
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegCreateKeyExW ADVAPI32.dll::RegDeleteKeyW ADVAPI32.dll::RegOpenKeyExW ADVAPI32.dll::RegQueryValueExW ADVAPI32.dll::RegSetValueExW
WIN_USER_API	Performs GUI Actions	USER32.dll::AppendMenuW USER32.dll::EmptyClipboard USER32.dll::FindWindowExW USER32.dll::OpenClipboard USER32.dll::PeekMessageW USER32.dll::CreateWindowExW

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