MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492. 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 6 File information Comments 1

SHA256 hash:	18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492
SHA3-384 hash:	06d25d5e8ab0e069a15fabe64a2f3c4c2826e97407a4f3420e0f374c1c39752278e62906c50ecd5a8f98d44f4470f5ba
SHA1 hash:	5bc4f3a04dae16cd6c69dd442551a795c9caa9ef
MD5 hash:	40dd510795e82f9a51301896809c2d95
humanhash:	mountain-orange-eleven-magazine
File name:	40dd510795e82f9a51301896809c2d95
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	479'880 bytes
First seen:	2024-03-13 05:14:55 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	6144:sR0tQjTAMFGf1nAB9/huXDttKkDklFuktsferJ/f7UF3HfuXeZWquoQ:sRK1y5IDnKkDxkme5f6HfuurHQ
TLSH	T1F6A4BF9A03B7D56BDBA943B8E051060763FC85899354F749A95818F49C223C0FAFB37B
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

385

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492.exe

Verdict:

Malicious activity

Analysis date:

2024-03-13 06:20:23 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/ee4c5290-b094-4f64-a0d3-95e82c223bd4

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/478837/

Detection(s):

Win.Packed.Pwsx-10022738-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Creating a file

Connection attempt to an infection source

Sending an HTTP GET request

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

net_reactor overlay packed packed

Link:

https://www.filescan.io/uploads/65f1365cf074ad892e52eb9a/reports/7cf69155-23bd-4077-a11b-6365ed9625a2/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492

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.

Malware family:

Craxs RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/24a148c2-107c-4f19-b378-926706cdc330

Result

Threat name:

LummaC, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1407973

Signature

.NET source code contains method to dynamically call methods (often used by packers)

Allocates memory in foreign processes

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

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

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

Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments

Snort IDS alert for network traffic

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

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

90%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492/

Threat name:

ByteCode-MSIL.Trojan.LummaStealer

Status:

Malicious

First seen:

2024-03-09 05:37:42 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ddyxg5kaft76q5zhd7po3mhhr27usk5jktndx7f4oqx5l7kwosja._file

Result

Malware family:

zgrat

Score:

10/10

Tags:

family:lumma family:zgrat rat stealer

Link:

https://tria.ge/reports/240313-fxkbnafd64/

Behaviour

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of SetThreadContext

Detect ZGRat V1

Lumma Stealer

ZGRat

Malware Config

C2 Extraction:

https://associationokeo.shop/api

Unpacked files

SH256 hash:

a03048132277a564b5f1be08e359a3be62ce7c9ede6fff76b793de220be5425c

MD5 hash:

0f0692b26930ae0186dca09651613f31

SHA1 hash:

a37b80b656bccc962e2d95131faa8a1e464fdd21

Link:

https://www.unpac.me/results/af37a160-39a8-42f3-a65a-7555a12b693f/

SH256 hash:

18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492

MD5 hash:

40dd510795e82f9a51301896809c2d95

SHA1 hash:

5bc4f3a04dae16cd6c69dd442551a795c9caa9ef

Link:

https://www.unpac.me/results/af37a160-39a8-42f3-a65a-7555a12b693f/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492

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

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

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

Web download

LummaStealer

exe 18f17375402cffe877271fdeedb0e78ebf492ba954da3bfcbc742fd5fd567492

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/478837/

URLhaus

https://urlhaus.abuse.ch/url/2781761/

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

Comments

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zbet commented on 2024-03-13 05:14:56 UTC

url : hxxp://193.233.132.167/lend/lummahelp.exe