MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b. 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 5 File information Comments

SHA256 hash:	309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b
SHA3-384 hash:	93e9450077e544f120034b43031053e3162d8992779f940630ca3134910671479d084b910bccebcce0bd0f278654bc62
SHA1 hash:	5ac95809ec82f0cdb3612ad1c1bbdd85196273b8
MD5 hash:	a4f21b597fb56b09132987c396b7acc2
humanhash:	texas-fish-sweet-kitten
File name:	a4f21b597fb56b09132987c396b7acc2.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	435'712 bytes
First seen:	2024-12-18 19:55:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f9df41ae4b2e96d07a46131787a7a3b9 (4 x LummaStealer)
ssdeep	6144:ww1ETf6IduRVIwN2dJ4eomHESrwf9D5zdljYUPBby9fe0C1jnfEMTRqTwdWRf:ww1mcywPmkR9D5zz3NSfeNREMdqwYRf
TLSH	T16994E111B6F5A622F3B38A347935D7942A3FF5339E35A14E2298166F0E713D18E62703
TrID	46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.5% (.EXE) Win64 Executable (generic) (10522/11/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	d0c6c3c38f8ead8a (1 x LummaStealer)
Reporter	abuse_ch
Tags:	exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

458

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

a4f21b597fb56b09132987c396b7acc2.exe

Verdict:

Malicious activity

Analysis date:

2024-12-18 20:26:05 UTC

Tags:

loader lumma stealer

Link:

https://app.any.run/tasks/7355e213-2f62-485e-ae75-823cd1c142c7

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PWS.Stealer.41767.9743.20440.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=676328db8fb73f13afd17d63

Tags:

virus spawn small

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Creating a window

Sending an HTTP GET request to an infection source

Creating a file in the %temp% directory

Searching for synchronization primitives

Creating a process from a recently created file

Behavior that indicates a threat

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Connection attempt to an infection source

Query of malicious DNS domain

Sending a TCP request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/676328d521bbe1761ca65d04/reports/d5821d48-57eb-48d8-8964-0c5410a2b416/overview

Verdict:

Malicious

Labled as:

Midie.Generic

Link:

https://www.hybrid-analysis.com/sample/309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b

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/8fe49bbf-61e8-4b63-b955-344676aeefba

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1577889

Signature

AI detected suspicious sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

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 dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-12-18 00:06:26 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

28 of 38 (73.68%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=gcn3foc3q6esthm4yzetjfylmaijk2rarxr63g4fgv4k5cqvqefq._file

Verdict:

malicious

Label(s):

lummastealer

shellcode_loader_002

Similar samples:

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery spyware stealer

Link:

https://tria.ge/reports/241218-ynph5azlct/

Behaviour

Modifies Internet Explorer settings

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Lumma Stealer, LummaC

Lumma family

Verdict:

Malicious

Tags:

stealer lumma lumma_stealer c2

YARA:

n/a

Link:

https://app.threat.zone/submission/bd277145-135c-4fd0-acd1-240b4012f9ae

Unpacked files

SH256 hash:

a9ce483c0085bb43b7dba75650f78269c9ce98df1f2acbc83ab34ace3d4d4566

MD5 hash:

ff4f218104a3757aa80ab5ba6bb6ece9

SHA1 hash:

72ab67a5e055c04db6974a979664d185b9586d4a

Link:

https://www.unpac.me/results/1585e641-1827-445e-b7e3-e5233b7bfb8a/

SH256 hash:

9286632d584b69674c0c399e8337a7ed77760b1f7a14b10dfa9797ea496e0568

MD5 hash:

a6d50cf33f196a235ab9eeecba82b8e3

SHA1 hash:

f02c21dcb99997d1419c509e65591fcbc19fb445

Link:

https://www.unpac.me/results/1585e641-1827-445e-b7e3-e5233b7bfb8a/

SH256 hash:

309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b

MD5 hash:

a4f21b597fb56b09132987c396b7acc2

SHA1 hash:

5ac95809ec82f0cdb3612ad1c1bbdd85196273b8

Link:

https://www.unpac.me/results/1585e641-1827-445e-b7e3-e5233b7bfb8a/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/309bb2b85b87/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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

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)

File information

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

Web download

LummaStealer

exe 309bb2b85b8789299d9cc64934970b6010956a208de3ed9b853578ae8a15810b

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3224762/

Delivery method

Distributed via web download

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::DeleteVolumeMountPointW KERNEL32.dll::FindFirstVolumeA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::WriteConsoleA KERNEL32.dll::ReadConsoleOutputAttribute KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasA KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::GetFileAttributesW

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