MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34. 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 27 File information Comments

SHA256 hash:	28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34
SHA3-384 hash:	2fd17455c58c3f504b9bdd18327177265527e96ae4d23916dc7fd2c81c90ece4c69f1cba84b386910bad39732197a181
SHA1 hash:	ef96963a00203753581cbd376254f7f23e51a954
MD5 hash:	4417a5d2296f6c37335027a565122745
humanhash:	summer-golf-berlin-idaho
File name:	New Media Kit Formats For Liquid.exe
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	12'137'016 bytes
First seen:	2024-09-06 09:24:52 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	1aae8bf580c846f39c71c05898e57e88 (264 x LummaStealer, 158 x SalatStealer, 24 x ACRStealer)
ssdeep	49152:t83a+X9M+qpnF/CxiyOMfGJXaxgb6BIsj8BsQxA8qeZJhJLxVtZNDhzRL3VSPGjo:ya+Xy6xiBJU8GQxtqYJzx/LMRsN/i/tF
TLSH	T133C63951FEC748F2D84344B5849BB26F27385D06CB39DB87EB547E5AE837292183360A
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	74e4d4d4ecf4d4d4 (23 x GuLoader, 22 x AgentTesla, 21 x LummaStealer)
Reporter	devmihaylov
Tags:	dropper exe lumma LummaStealer signed

Code Signing Certificate

Organisation:	Mosak Soft Limited
Issuer:	SSL.com EV Code Signing Intermediate CA RSA R3
Algorithm:	sha256WithRSAEncryption
Valid from:	2024-08-20T12:13:12Z
Valid to:	2025-08-20T12:13:12Z
Serial number:	71f122b17613e367d58ffcd08dea6af4
Intelligence:	4 malware samples on MalwareBazaar are signed with this code signing certificate
Cert Graveyard Blocklist:	This certificate is on the Cert Graveyard blocklist
Thumbprint Algorithm:	SHA256
Thumbprint:	4aa1049beace0bb01e58807718528a3e950a02f04ab5a2ceccf9e492bf9ca6a1
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

devmihaylov

Phishing email containing .PDF file with an embedded downloadable link leading to Dropbox URL with a .RAR file containing 6 files, 2 of which are executables and are both LummaInfostealer malware, hijacking on BitLockerToGo.EXE in order to establish connection to multiple C2 servers (14 hops in total)

Intelligence

File Origin

# of uploads :

# of downloads :

503

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

New Media Kit Formats For Liquid.exe

Verdict:

Malicious activity

Analysis date:

2024-09-06 09:25:53 UTC

Tags:

crypto-regex lumma stealer

Link:

https://app.any.run/tasks/63032762-f96e-49cd-8dfb-1b96127cb720

Note:

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

Detection(s):

SecuriteInfo.com.Win32.MalwareX-gen.20529.24822.UNOFFICIAL

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66daca748e12b8124ac95a8c

Tags:

Stealth Agent

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Connection attempt to an infection source

Using the Windows Management Instrumentation requests

Query of malicious DNS domain

Sending a TCP request to an infection source

Unauthorized injection to a system process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

overlay packed

Link:

https://www.filescan.io/uploads/66daca74125cb7724c9eac11/reports/a7f15930-500a-49f3-a84c-b77ded2e23c1/overview

Verdict:

Malicious

Labled as:

Trojan_Win32_Wacatac_B_ml

Link:

https://www.hybrid-analysis.com/sample/28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/408fe971-013b-42ed-b61f-0afaa7e50c5e

Result

Threat name:

LummaC, MicroClip

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1505519

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 domain / URL

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Writes to foreign memory regions

Yara detected LummaC Stealer

Yara detected MicroClip

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

Link:

https://malprob.io/report/28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34/

Threat name:

Win32.Spyware.Lummastealer

Status:

Malicious

First seen:

2024-09-04 22:40:38 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fdmlf4w3rozijmqq5daltshhjes2v2ek4dk7moxovw5dnjyhhi2a._file

Verdict:

malicious

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma discovery stealer

Link:

https://tria.ge/reports/240906-ldl9ssydjk/

Behaviour

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Lumma Stealer, LummaC

Malware Config

C2 Extraction:

https://provisionfusni.shop/api
https://condedqpwqm.shop/api

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/25556ed9-52ee-487c-8149-6f116d5633c0

Unpacked files

SH256 hash:

28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34

MD5 hash:

4417a5d2296f6c37335027a565122745

SHA1 hash:

ef96963a00203753581cbd376254f7f23e51a954

Link:

https://www.unpac.me/results/9339d313-ab4a-4811-9273-eafe32203587/

Malware family:

Lumma

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/28d8b2f2db8b/report/overview.html

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34

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:	Golangmalware Create hunting rule
Author:	Dhanunjaya
Description:	Malware in Golang

Rule name:	golang_binary_string Create hunting rule
Description:	Golang strings present

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:	PE_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:	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.

LummaStealer

pdf e4d9fb58159ee1189b286fc3cabde1bf180ebc46c01e78c6e41656b7a0d00cb2

LummaStealer

exe 28d8b2f2db8bb284b210e8c0b9c8e74925aae88ae0d5f63aeeadba36a7073a34

(this sample)

Link

https://www.dropbox.com/scl/fi/4b0qoxs096pbwp1tlw2oy/The-Wolf-Among-Us-2-promotional-materials-for-YT.rar?rlkey=39ifbdt7v6gsutyvf5gxwspnq&st=xwkdu08h&dl=1

Dropping

LummaStealer

Delivery method

Distributed via web download

Dropped by

SHA256 e4d9fb58159ee1189b286fc3cabde1bf180ebc46c01e78c6e41656b7a0d00cb2

Dropped by

MD5 35dd2ebdaca625f397e0be0705acec0a

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::GetSystemDirectoryA

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