MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f. 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 27 File information Comments

SHA256 hash:	5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f
SHA3-384 hash:	5c221b2b678350345733be91c49ecaa0b31dcf7c38c659cdc531a68b901c6652ff59b720e858ddc217dbd67d3db02c22
SHA1 hash:	bfd2a7816606897e35379d18dde3963e88e70b31
MD5 hash:	dc3839584969360399774a5127c75e97
humanhash:	football-high-may-kansas
File name:	CatalogApp.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	13'844'216 bytes
First seen:	2024-10-07 15:32:40 UTC
Last seen:	2024-10-07 16:22:19 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	4f2f006e2ecf7172ad368f8289dc96c1 (40 x LummaStealer, 21 x SalatStealer, 17 x CobaltStrike)
ssdeep	98304:zvqHrA5gW+Qo8FYEQw/UQgnSb5XxkLGXVgofMwOBsD:jLo075VXVLfMwOOD
Threatray	6 similar samples on MalwareBazaar
TLSH	T1A9D64940FACB44F1FA83683055AB623F23345D058B29CBCBE7887B2AF8776D14976645
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)
Magika	pebin
File icon (PE):
dhash icon	f08c8ea2aab28ec4 (3 x LummaStealer)
Reporter	Anonymous
Tags:	exe LummaStealer signed

Code Signing Certificate

Organisation:	Guizhou Sixuanda Technology Co., Ltd.
Issuer:	Certum Extended Validation Code Signing 2021 CA
Algorithm:	sha256WithRSAEncryption
Valid from:	2024-09-09T09:06:13Z
Valid to:	2025-09-09T09:06:12Z
Serial number:	332576fe101609502c23f70055b4a3be
Intelligence:	9 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Central Blocklist:	This certificate is on the Cert Central blocklist
Thumbprint Algorithm:	SHA256
Thumbprint:	87d45b86dfcc84c5ef8338026c26f34935dbaa383a7dd583f48675af77c957a4
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

374

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

CatalogApp.exe

Verdict:

Malicious activity

Analysis date:

2024-10-07 15:35:49 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/934a02c8-3c1f-489a-ba21-6d7037dbf21e

Note:

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

Detection(s):

SecuriteInfo.com.Win32.Malware-gen.25358.22159.UNOFFICIAL

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6703ff33b932c04ee8fddf1f

Tags:

Emotet

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

golang overlay packed revoked-cert signed

Link:

https://www.filescan.io/uploads/6703ff314f53598f1492b0e4/reports/20abac76-1eb6-46ff-94b1-e8a86e03cd77/overview

Verdict:

Malicious

Labled as:

WinGo/TrojanDropper.Agent

Link:

https://www.hybrid-analysis.com/sample/5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f

Result

Verdict:

MALICIOUS

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/8ba77be7-d31c-43c1-9d75-29ce80be4d70

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1528248

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Injects a PE file into a foreign processes

LummaC encrypted strings found

Multi AV Scanner detection for submitted file

Sample uses process hollowing technique

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Writes to foreign memory regions

Yara detected LummaC Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

96%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-10-07 15:34:07 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=l6yqhjfs6qdee5klceo7cpaswcxkeftinbk2a2by3do5kt2e2npq._file

Verdict:

malicious

Label(s):

lummastealer

LummaStealer

6ce60cf34084795ce9cd89841d632e07ac16ab17cf0d29b8397c90ab51ac61f3

LummaStealer

c65dc95af8c0644e43f707aa137ca785545a8f53a978d2e9303a8d9a464ca12d

LummaStealer

error

LummaStealer

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/241007-sy7jsszbrl/

Behaviour

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Lumma Stealer, LummaC

Malware Config

C2 Extraction:

https://nurserrsjwuwq.shop/api

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/48326558-5bdc-4c12-aa27-116c95c9cd9a

Unpacked files

SH256 hash:

5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f

MD5 hash:

dc3839584969360399774a5127c75e97

SHA1 hash:

bfd2a7816606897e35379d18dde3963e88e70b31

Link:

https://www.unpac.me/results/b078c929-be15-4a88-9ab4-8742ecfa2a2f/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5fb103a4b2f4/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/5fb103a4b2f40642754b111df13c12b0aea216686855a06838d8ddd54f44d35f

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:	Borland Create hunting rule
Author:	malware-lu

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__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:	golang_binary_string Create hunting rule
Description:	Golang strings present

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:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	test_Malaysia Create hunting rule
Author:	rectifyq
Description:	Detects file containing malaysia string

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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	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::CreateFileA kernel32.dll::GetSystemDirectoryA

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