MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10. 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 3 File information Comments 1

SHA256 hash:	28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10
SHA3-384 hash:	0fd38d6949624817257135ef192525fc11d753c1c7be4f79d3593c3f1b2f7ef925479e04291f4415f629d3aa82f8853f
SHA1 hash:	4a03f78ca6f3df3c692ad31d2bdee7cb58b86c3d
MD5 hash:	c7eea9d0d8f7bf74bd7c25990458bcf8
humanhash:	oscar-vegan-angel-blue
File name:	c7eea9d0d8f7bf74bd7c25990458bcf8
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	5'382'656 bytes
First seen:	2024-04-20 11:21:00 UTC
Last seen:	2024-04-20 12:26:34 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	98304:HkCjNtZ5Zo/Lq84Ti1hG9mzE1HKzf9hdspe0GZNfb9eTGf:HkEP5e/Lq84Ti1I6E1HUcSvb9eTGf
Threatray	1 similar samples on MalwareBazaar
TLSH	T11E4633313BA14457C10D637074B1BBE9E7B60CCAFE4B0A2D99F6AA5C4D7029E33431A9
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	9cd97a76e0cc8e92 (1 x LummaStealer)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

345

Origin country :

Vendor Threat Intelligence

Malware family:

redline

ID:

File name:

28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10.exe

Verdict:

Malicious activity

Analysis date:

2024-04-20 11:22:26 UTC

Tags:

lumma stealer meta metastealer redline

Link:

https://app.any.run/tasks/dcfa7b0f-a0c4-417c-b043-b2e930f5722d

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Launching a process

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

overlay packed

Link:

https://www.filescan.io/uploads/6623a520d2fc149e41145072/reports/b101fc96-33c1-442d-95a1-413687e4b1fc/overview

Verdict:

Malicious

Labled as:

Lazy.Generic

Link:

https://www.hybrid-analysis.com/sample/28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10

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/42131053-06e7-407c-b422-6b98d8a511ae

Result

Threat name:

LummaC, DarkTortilla, LummaC Stealer, Pu

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1429054

Signature

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

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Hides that the sample has been downloaded from the Internet (zone.identifier)

Injects a PE file into a foreign processes

Installs new ROOT certificates

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 detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Writes to foreign memory regions

Yara detected AntiVM3

Yara detected DarkTortilla Crypter

Yara detected LummaC Stealer

Yara detected PureLog Stealer

Yara detected RedLine Stealer

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

96%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10/

Threat name:

Win32.Trojan.Generic

Status:

Suspicious

First seen:

2024-04-19 03:45:52 UTC

File Type:

PE (.Net Exe)

Extracted files:

109

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fb4uweijpwlubin7zy7amrmlztomyft45n22cqfu2ay5aussruia._file

Verdict:

malicious

LummaStealer

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/240420-nfzn1sfc73/

Behaviour

Suspicious use of AdjustPrivilegeToken

Unpacked files

SH256 hash:

28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10

MD5 hash:

c7eea9d0d8f7bf74bd7c25990458bcf8

SHA1 hash:

4a03f78ca6f3df3c692ad31d2bdee7cb58b86c3d

Link:

https://www.unpac.me/results/5bca2523-e6ac-4e93-8026-6e79d48f3b71/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/28794b11097d/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:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

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 28794b11097d9740a1bfce3e06458bccdccc167ceb75a140b4d031d052528d10

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2819462/

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 2024-04-20 11:21:01 UTC

url : hxxp://5.42.65.64/files/UNIQ.file