MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6. 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: 12

Intelligence 12 IOCs YARA 5 File information Comments 1

SHA256 hash:	523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6
SHA3-384 hash:	73ab7ef56c670f161a2c0d425bb00d28e99baeecdcb0177c8914204a4b32d13865589dff7811e395437da07f4cde534e
SHA1 hash:	e61999ed8490f25d12e350cd20e72e0af46d4ae5
MD5 hash:	77de1dca4696f4b9a5e1f0eb993777b7
humanhash:	sixteen-carbon-london-xray
File name:	77de1dca4696f4b9a5e1f0eb993777b7
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	369'664 bytes
First seen:	2024-03-14 04:58:42 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	178336cf4648f18755f42b11fa112e64 (1 x CoinMiner, 1 x LummaStealer)
ssdeep	3072:1+fpPXSXq2/PWWtcaJJMzuMr8+ncmRidwFv8fpnx31FjrO+XvjH/eBo1pC4ADMNu:1cSXqoaopMr82xgPFFjbm+fuK0lI
TLSH	T11B74D003B6E2C871EAF34A3158308D855A3FBDB65B7559DB3384260E3D701C1AE76B62
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	0811193050a04000 (1 x LummaStealer)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

461

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6.exe

Verdict:

Malicious activity

Analysis date:

2024-03-14 04:59:35 UTC

Tags:

lumma

Link:

https://app.any.run/tasks/39c83565-fe86-4f41-9dd7-41c8bf6d23b0

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/478987/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm fingerprint

Link:

https://www.filescan.io/uploads/65f2841af074ad892e539e68/reports/6160d3fb-cb06-457b-be8b-6815c54ee664/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6

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:

Malicious

Link:

https://analyze.intezer.com/analyses/267b0aef-9db6-4309-9450-cd1b3f8645ae

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1408770

Signature

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 sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

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 steal Crypto Currency Wallets

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2024-03-14 04:59:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ki6gz5ao2krecdxtbnght3tek2sh4576yngh3xj6sb6e4xehbk3a._file

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma stealer

Link:

https://tria.ge/reports/240314-fmd2wsdd39/

Behaviour

Program crash

Lumma Stealer

Malware Config

C2 Extraction:

https://asleepfulltytarrtw.shop/api

Unpacked files

SH256 hash:

3f9ba594efd90796448de9cfffc30489fa85ec05d45c41361708ead77fdd1818

MD5 hash:

cb301cdc749bb1074ce08ca7c31db7bc

SHA1 hash:

ac9a9dbe69c262f7cd1dfde05c9808490a5067b5

Link:

https://www.unpac.me/results/51d7767e-5c7e-450e-a3bc-da2f12760009/

SH256 hash:

523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6

MD5 hash:

77de1dca4696f4b9a5e1f0eb993777b7

SHA1 hash:

e61999ed8490f25d12e350cd20e72e0af46d4ae5

Link:

https://www.unpac.me/results/51d7767e-5c7e-450e-a3bc-da2f12760009/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/523c6cf40ed2/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/523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	Windows_Trojan_Smokeloader_3687686f Create hunting rule
Author:	Elastic Security

File information

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

Web download

LummaStealer

exe 523c6cf40ed2a2410ef30b4c79ee6456a47e77fec34c7ddd3e907c4e5c870ab6

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2782324/

URLhaus

https://urlhaus.abuse.ch/url/2782574/

Cape

https://www.capesandbox.com/analysis/478987/

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_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::FindNextVolumeMountPointA KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::AddConsoleAliasA KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::PeekConsoleInputW KERNEL32.dll::ReadConsoleA KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileA KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceW
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpOpen
WIN_USER_API	Performs GUI Actions	USER32.dll::ActivateKeyboardLayout

Comments

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zbet commented on 2024-03-14 04:58:43 UTC

url : hxxp://mollabhaban.com/assets/plugins/themepicker/current.exe