MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e. 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: 15

Intelligence 15 IOCs YARA 6 File information Comments

SHA256 hash:	a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e
SHA3-384 hash:	166e0078ca6ecdebfc513f3028e48a8f53e331ab584e9a85a3c04fb1b7edf781aa3f2194b895a59adf3fff911e6c38a7
SHA1 hash:	bb3f89e8a8277f106e31efb9b6654717343729d8
MD5 hash:	e7044efbaac73003126a89038fc0baf5
humanhash:	fanta-california-carbon-eleven
File name:	EF48AEBC0F1E77208BBCD5206C58678BB1181994507D1084E1D324DCA9D5D3B8.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	246'784 bytes
First seen:	2024-07-24 22:48:26 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2bdd43acf181bf5b35cc83a05996f85e (3 x Smoke Loader, 2 x RedLineStealer, 1 x Stop)
ssdeep	3072:wXKy0nNmy93ZciDxQ45+F5Sd6FMRlKcOGCH:WAsoJciDh5+eKg
TLSH	T16A34D0113980D072C49B12317479CAA42F7EB83157A5894F77A60A7F6F307D267BA38B
TrID	37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 12.7% (.EXE) Win64 Executable (generic) (10523/12/4) 7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	5c599a3c60c1c850 (4 x Smoke Loader, 3 x ArkeiStealer, 2 x RedLineStealer)
Reporter	Anonymous
Tags:	exe Smoke Loader

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

321

Origin country :

Vendor Threat Intelligence

Detection(s):

PUA.Win.Packer.Asprotect-3

Win.Virus.Wapomi-9802127-0

Win.Trojan.Generic-9942464-0

Win.Packer.pkr_ce1a-9980177-0

Win.Malware.Wapomi-10020301-0

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66a184e5cb3d02fa0e496cca

Tags:

Execution Generic Network Static Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a file in the %temp% directory

Creating a process from a recently created file

Changing an executable file

Creating a window

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Unauthorized injection to a recently created process

Restart of the analyzed sample

Modifying an executable file

Сreating synchronization primitives

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Query of malicious DNS domain

Infecting executable files

Unauthorized injection to a system process

Enabling autorun by creating a file

Sending an HTTP POST request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint lolbin microsoft_visual_cc shell32

Link:

https://www.filescan.io/uploads/66a184e24c5c17942a7d214c/reports/b81892f3-4d95-4a0f-9a0a-0f507b570333/overview

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:

Generic Malware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/19805988-3013-42c8-914f-4227e9966dbd

Result

Threat name:

Bdaejec, SmokeLoader

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1480917

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)

Contains functionality to inject code into remote processes

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)

Infects executable files (exe, dll, sys, html)

Injects a PE file into a foreign processes

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

PE file contains section with special chars

PE file has a writeable .text section

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)

Uses known network protocols on non-standard ports

Yara detected Bdaejec

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e/

Threat name:

Win32.Virus.Jadtre

Status:

Malicious

First seen:

2024-07-24 22:49:13 UTC

File Type:

PE (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=udyv6rtfqnn3p45qpvpjnuvqrl4orbquzgzc7sp77bxu6yhodkha._file

Verdict:

malicious

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub3 aspackv2 backdoor discovery trojan

Link:

https://tria.ge/reports/240724-2rnyjsvdrh/

Behaviour

Checks SCSI registry key(s)

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Suspicious use of SetThreadContext

ASPack v2.12-2.42

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

SmokeLoader

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/ea2aee75-afbc-427c-b3bb-e0577e282a9f

Unpacked files

SH256 hash:

721d393191597d49d856baef2fbde75e48f52d0465e2cfabf1a41848b0e05589

MD5 hash:

b984a027c8a2abf874f3eb306a831613

SHA1 hash:

d3b3f8890adc840b0bd411cf304eef15d415ed48

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/03fe59c3-437e-4157-a655-56add6c4e360/

Parent samples :
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SH256 hash:

edabf97b4d10b69483021e5c7bf7406090ffc90b2e9461212d4b6f20c8817785

MD5 hash:

26014620bc894ed4f6f0b9c6cabc536d

SHA1 hash:

c8e661d102031014ab57bae7b36d3226f5339a8c

Detections:

win_unidentified_045_auto

win_unidentified_045_g0

Link:

https://www.unpac.me/results/03fe59c3-437e-4157-a655-56add6c4e360/

SH256 hash:

a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e

MD5 hash:

e7044efbaac73003126a89038fc0baf5

SHA1 hash:

bb3f89e8a8277f106e31efb9b6654717343729d8

Link:

https://www.unpac.me/results/03fe59c3-437e-4157-a655-56add6c4e360/

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

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

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	meth_get_eip Create hunting rule
Author:	Willi Ballenthin

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

File information

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

Malspam

Smoke Loader

exe a0f15f4665835bb7f3b07d5e96d2b08af8e88614c9b22fc9fff86f4f60ee1a8e

(this sample)

Link

https://bbs.kafan.cn/forum-31-1.html

Delivery method

Distributed via e-mail attachment

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_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::WriteConsoleA KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleTextAttribute KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasesA KERNEL32.dll::GetConsoleTitleA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryExA KERNEL32.dll::CreateDirectoryExW KERNEL32.dll::MoveFileExW KERNEL32.dll::MoveFileW KERNEL32.dll::ReplaceFileW

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