MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba. 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: 11

Intelligence 11 IOCs YARA 1 File information Comments 1

SHA256 hash:	b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba
SHA3-384 hash:	e96e664d38029b4b330f4ba315abda8609563cfa347c3637bac7b18729f599327ca40f4545e3f90946d83f6135b58a80
SHA1 hash:	1038aa153bfc7e29ffea56b13f24e6f98d7413d2
MD5 hash:	017adc7dfb6b77dd2c14f7f7a4933f1c
humanhash:	early-massachusetts-wyoming-arkansas
File name:	017adc7dfb6b77dd2c14f7f7a4933f1c
Download:	download sample
Signature	LummaStealer Create hunting rule
File size:	368'640 bytes
First seen:	2024-04-18 07:30:31 UTC
Last seen:	2024-04-18 08:30:59 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	96d5e40a6f183914c8bf0374fa1144d1 (2 x LummaStealer, 1 x Glupteba)
ssdeep	6144:mL755LpGJb1tny2qvdbgq/1aQQ826Tgtvbgi6GmKEaYTi:m5W1gwYg16U
TLSH	T1FB74E0E07EA0D435D15A8770BD29E6A81A2EBC71DAB5C1773764275E0E30290E63237F
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	64d29a9891a9a991 (1 x LummaStealer, 1 x Stealc)
Reporter	zbetcheckin
Tags:	32 exe LummaStealer

Intelligence

File Origin

# of uploads :

# of downloads :

478

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba.exe

Verdict:

Malicious activity

Analysis date:

2024-04-18 07:34:33 UTC

Tags:

lumma stealer

Link:

https://app.any.run/tasks/17176137-a085-4130-b097-636b41db9401

Note:

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

Result

Verdict:

Clean

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:

fingerprint

Link:

https://www.filescan.io/uploads/6620cc4247bfd8641eae44f4/reports/522c836e-da93-43bc-9237-a38a9cb61e10/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba

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:

Suspicious

Link:

https://analyze.intezer.com/analyses/90f0e0d0-0e6b-48b0-9385-481bc88e4613

Result

Threat name:

LummaC

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1427868

Signature

Antivirus / Scanner detection for submitted sample

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

Snort IDS alert for network traffic

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/b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba/

Threat name:

Win32.Spyware.Lummastealer

Status:

Malicious

First seen:

2024-04-18 07:31:08 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wl4z3uwg7igqgimdflbbp5vjqqvuwj7t3p77te2upormle2xh65a._file

Result

Malware family:

lumma

Score:

10/10

Tags:

family:lumma stealer

Link:

https://tria.ge/reports/240418-jcegfseh28/

Behaviour

Program crash

Lumma Stealer

Malware Config

C2 Extraction:

https://exceptionwillapews.shop/api
https://entitlementappwo.shop/api
https://economicscreateojsu.shop/api
https://pushjellysingeywus.shop/api
https://absentconvicsjawun.shop/api
https://suitcaseacanehalk.shop/api
https://bordersoarmanusjuw.shop/api
https://mealplayerpreceodsju.shop/api
https://wifeplasterbakewis.shop/api

Unpacked files

SH256 hash:

aee669d256e0031acb19524c65727b045ab854f144e2ec5fb64fd54c1bfdeaf4

MD5 hash:

030031c2b175b3709c2f845f48a8d36f

SHA1 hash:

093adb5ff88154f56a48d60d6666cc1a4b0a7ecc

Detections:

LummaStealer

Link:

https://www.unpac.me/results/ecaf7e31-6e4c-48ba-a6c1-d293b83cadbb/

SH256 hash:

b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba

MD5 hash:

017adc7dfb6b77dd2c14f7f7a4933f1c

SHA1 hash:

1038aa153bfc7e29ffea56b13f24e6f98d7413d2

Link:

https://www.unpac.me/results/ecaf7e31-6e4c-48ba-a6c1-d293b83cadbb/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b2f99dd2c6fa/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:	DebuggerCheck__API 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.

Web download

LummaStealer

exe b2f99dd2c6fa0d0321832ac217f6a9842b4b27f3dbfff993547ba2c593573fba

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2816380/

URLhaus

https://urlhaus.abuse.ch/url/2799932/

URLhaus

https://urlhaus.abuse.ch/url/2797804/

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_NX	Missing Non-Executable Memory Protection	critical
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::FindNextVolumeW KERNEL32.dll::SetFirmwareEnvironmentVariableA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetConsoleTitleA KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasExesLengthA KERNEL32.dll::GetConsoleDisplayMode KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameW

Comments

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zbet commented on 2024-04-18 07:30:32 UTC

url : hxxps://flowers4world.shop/current.exe