MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576. 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:	8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576
SHA3-384 hash:	d53a5a81c35512440f6c2db3a8ee7a656672eda02b62b7dbd369ad0edd0fb2a64f9ce9612c3d580f9a234ecba6504772
SHA1 hash:	7c053b8f3905244558d2c319094ef09985521864
MD5 hash:	9b297a1485665aef1a926f7cd322c932
humanhash:	indigo-oklahoma-magazine-uniform
File name:	file
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	5'898'240 bytes
First seen:	2024-06-26 19:23:26 UTC
Last seen:	2024-06-26 21:14:31 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	5929190c8765f5bc37b052ab5c6c53e7 (74 x LummaStealer, 14 x RedLineStealer, 8 x Stealc)
ssdeep	49152:uOSBrypr/j6bvhEJNDZMMMZc/cftjn1zAkbQNDFG6jO5E90QS/NkW+cD3wxv+vps:RqrD8NN//un1ckEsU5Xi1S
TLSH	T177567B07FC9544E9C0EA9230896796527B61BC494B3163E72BA0F7783F727E0AE79740
TrID	58.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 16.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 10.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 2.1% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	70d092ccb88ae4f0 (1 x LummaStealer)
Reporter	Bitsight
Tags:	exe LummaStealer

Bitsight

url: http://43.153.49.49:8888/down/O3B6wY7ZkFhh.exe

Intelligence

File Origin

# of uploads :

# of downloads :

432

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576.exe

Verdict:

Malicious activity

Analysis date:

2024-06-26 19:26:19 UTC

Tags:

lumma

Link:

https://app.any.run/tasks/d406f476-8bf6-4ee3-a6a6-a9ea48df7073

Note:

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

Detection(s):

SecuriteInfo.com.FileRepMalware.24606.7358.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=667c6b1df2a3d25545468092win10vpnfull_triage

Tags:

Generic Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

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:

80%

Tags:

anti-debug golang installer mingw

Link:

https://www.filescan.io/uploads/667c6ad76be3b3c7c234a094/reports/00cb748a-189d-4517-9b7d-b5fa24a74cc7/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_60%

Link:

https://www.hybrid-analysis.com/sample/8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576

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/5b81865f-1747-4f3d-9d4e-b4ea72cd8db9

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1463218

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

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Performs DNS queries to domains with low reputation

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 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/8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576/

Threat name:

Win64.Trojan.Casdet

Status:

Malicious

First seen:

2024-06-26 19:24:07 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rr27r2keq323x5dbkbmch5lxt4ziywzx6e4hygdzdygcd4752v3a._file

Verdict:

unknown

Result

Malware family:

n/a

Score:

5/10

Tags:

n/a

Link:

https://tria.ge/reports/240626-x4cntssbmm/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/0432b10d-5861-4e11-a69d-7312c5f7375c

Unpacked files

SH256 hash:

8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576

MD5 hash:

9b297a1485665aef1a926f7cd322c932

SHA1 hash:

7c053b8f3905244558d2c319094ef09985521864

Detections:

TrueCrypt_crypter

Link:

https://www.unpac.me/results/b5b8397c-49ee-4eff-8ac3-98550e90c585/

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/8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576

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:	meth_stackstrings Create hunting rule
Author:	Willi Ballenthin

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 8c75f8e94486f5bbf461505823f5779f328c5b37f1387c18791e0c21f3fdd576

(this sample)

Dropped by

Privateloader

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2908158/

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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