MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391. 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

Smoke Loader

Vendor detections: 17

Intelligence 17 IOCs YARA 4 File information Comments 1

SHA256 hash:	496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391
SHA3-384 hash:	4f58887fcc3785d9350c28b82bb682cc6fbd620c4fbe6723ac503182c9b1118c6bb189178389e2ec5769b47cb7460183
SHA1 hash:	3e84121bee19dd64d74ef41196a09894a6017d73
MD5 hash:	4c2fac8f9227cdb10b5b8056f396629b
humanhash:	seven-blossom-steak-venus
File name:	4c2fac8f9227cdb10b5b8056f396629b
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	232'960 bytes
First seen:	2024-06-25 13:05:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	590b76b513666416964a380a823e8be8 (1 x Smoke Loader)
ssdeep	3072:1Jr6zgrn0rzKl3g5hxsrtYvyjIo3T8NAf68hu0nPsZciXcYW43hK:1hnezKl3UstVIo3T8ONhZPKVs
TLSH	T11034CF0177E3DD71E4D716346870CAB9AB7BB8B22234408F63A43F3E5EB06D14AA1752
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)
File icon (PE):
dhash icon	0810102860c08000 (1 x Smoke Loader)
Reporter	zbetcheckin
Tags:	32 exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

358

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391.exe

Verdict:

Malicious activity

Analysis date:

2024-06-25 13:08:31 UTC

Tags:

loader smokeloader

Link:

https://app.any.run/tasks/72df3f19-8ce5-48d5-a755-7b20f7572647

Note:

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

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=667ac0f35fec1bb84f85cc21win7simulatehigh_evasion

Tags:

Crypt

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

DNS request

Connection attempt

Sending an HTTP POST request

Unauthorized injection to a system process

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/667ac0c16b8dba248b455358/reports/2e0af659-6cf9-4cf5-a02f-d53e046a37a5/overview

Verdict:

Malicious

Labled as:

Midie.Generic

Link:

https://www.hybrid-analysis.com/sample/496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

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:

Unknown

Link:

https://analyze.intezer.com/analyses/99d4dc30-f84a-476d-abb6-d21da9bfab6a

Result

Threat name:

LummaC, SmokeLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1462403

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Benign windows process drops PE files

C2 URLs / IPs found in malware configuration

Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))

Checks if the current machine is a virtual machine (disk enumeration)

Creates a thread in another existing process (thread injection)

Deletes itself after installation

Detected unpacking (changes PE section rights)

Found malware configuration

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

LummaC encrypted strings found

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Maps a DLL or memory area into another process

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Performs DNS queries to domains with low reputation

Potential thread-based time evasion detected

Sample uses string decryption to hide its real strings

Snort IDS alert for network traffic

Switches to a custom stack to bypass stack traces

System process connects to network (likely due to code injection or exploit)

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

Tries to resolve many domain names, but no domain seems valid

Yara detected LummaC Stealer

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2024-06-24 13:19:20 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

24 of 24 (100.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jfxvpd3i7txuo334rwjdekrvg32qpzcxas4odsd4kycw4gob4oiq._file

Verdict:

malicious

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub1 backdoor trojan

Link:

https://tria.ge/reports/240625-qb3afsvbkn/

Behaviour

Checks SCSI registry key(s)

Program crash

SmokeLoader

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ee19a0fe-e6c8-4ad2-b2ec-27a63293e0cd

Unpacked files

SH256 hash:

03c794e1c91b6d8a51e7b46c9b42316450c5b6e57a3bb9f33f7c261e776b07dd

MD5 hash:

5c873421393dcf1e53d271e562749bf4

SHA1 hash:

d58de6104195835295038a7dcc04672021bac805

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/d66fed9d-1c85-4a9e-9a43-ab554c6f37d9/

Parent samples :
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SH256 hash:

496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

MD5 hash:

4c2fac8f9227cdb10b5b8056f396629b

SHA1 hash:

3e84121bee19dd64d74ef41196a09894a6017d73

Detections:

win_zhmimikatz_auto

Link:

https://www.unpac.me/results/d66fed9d-1c85-4a9e-9a43-ab554c6f37d9/

Malware family:

SmokeLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/496f578f68fc/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/496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

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

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	Windows_Trojan_Generic_2993e5a5 Create hunting rule
Author:	Elastic Security

File information

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

Web download

Smoke Loader

exe 496f578f68fcef476f7c8d92322a3536f507e45704b8e1c87c56056e19c1e391

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2905752/

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::FindFirstVolumeMountPointW KERNEL32.dll::FindFirstVolumeMountPointA KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasW KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA ADVAPI32.dll::BackupEventLogW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA

Comments

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zbet commented on 2024-06-25 13:05:15 UTC

url : hxxps://rabatprint.ma/tmp/1.exe