MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b. 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: 16

Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash:	af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b
SHA3-384 hash:	9d3e5fe398008c8c4e83beeac2982e7ff594ee73a0eec364b9dbc8e9013b69af91b5a19bf687c5ce93ea6f92787cd330
SHA1 hash:	5e76bbf10b2b2b7180f9a713aedbfaf7470504cc
MD5 hash:	b82c7589ca4eabf9b17b1b39c8bad37e
humanhash:	dakota-pip-five-thirteen
File name:	A9BCD8D127BE95C64EDAE5CDD2379494A37D458FD9D5881D74F8D5487A805E6C.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	245'760 bytes
First seen:	2024-07-24 20:06:08 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	ed1b2792ced7a8e7bb849a84d01e5fcb (9 x Smoke Loader, 5 x RedLineStealer, 5 x Stop)
ssdeep	1536:BUKYzr7VT4WdAGkDs5trb0O/SG2JxfFZq2BFfNkBxoS450LiWC8Kzh4zGCq2iW7z:BUKYzCW/STZpBJGa50uW3KdWGCH
TLSH	T14934C0223AB0C033C48B15327475CAA47A7E693157B1494F77990A7E6F303D16AFA74E
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	5c599a3ce0c3c850 (43 x Stop, 37 x RedLineStealer, 36 x Smoke Loader)
Reporter	Anonymous
Tags:	exe Smoke Loader

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

315

Origin country :

Vendor Threat Intelligence

Detection(s):

PUA.Win.Packer.Asprotect-3

Win.Virus.Wapomi-9802127-0

Win.Trojan.Generic-9942495-0

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=66a15eeacb3d02fa0e49599a

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

Unauthorized injection to a recently created process

Restart of the analyzed sample

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Modifying an executable file

Сreating synchronization primitives

Searching for 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/66a15f42dfa8b2fced4e21e5/reports/565ba39c-323b-4ce2-8099-93073dfb0f8a/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/007f653e-e899-4b47-9690-4d994cdf9224

Result

Threat name:

Bdaejec, SmokeLoader

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1482695

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

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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)

Yara detected Bdaejec

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b/

Threat name:

Win32.Virus.Jadtre

Status:

Malicious

First seen:

2024-07-24 20:07:06 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=v5x2bfnue6qosxoyezuwyk4swajd42eohsk7nutyexgcskailunq._file

Verdict:

malicious

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub2 aspackv2 backdoor discovery trojan

Link:

https://tria.ge/reports/240724-yvzbxavbnj/

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/7a3dabe1-b8ad-4788-b69a-594e96115c6d

Unpacked files

SH256 hash:

196c516ea546fb935ac669681a74a4dc80da79d9088f464f6cc6f126ae934f4e

MD5 hash:

c36de8bc9668ec4eaafca4c349dca0d5

SHA1 hash:

ea2cadfada69b93ca3abeb8b2462c5c18891fabf

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/b34adcb3-50ac-4a54-9ff3-b0e3c69aef30/

Parent samples :

6b2d7c8bdedb901d80c89717c9889abf169c9059d8bb545af6ca1960660324ad
8928eed86ea55a63e3646bf8ca403b4b1e57702f73c1ecc8fa403b5700a304ef
18ad362dcae8df5827846223c09ceba7766e09733b685d4067ee39037daec452
da39948d95cdbce6e1ca9e0fdbb77080164a379f593e530b5732d3fc38df7bf8
7c74a8c41e24f69015185f78b8fbc177edcbe9d27099e904497b2310999f74cb
92ebb6be19502fe2573a9eac183bcc657b88ac5b0344285d9db409b0a3d88dab
af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b
de8099732ee5b73f3fa6d032a74e8576d06663fc16b2c6da27a34444fdced1c8

SH256 hash:

b5fb0546cc1fc897620b7ba23f23a48ff386332952d5a7d3016e1fa26a943975

MD5 hash:

cfbaac7c4f7fc4999490537a77f48879

SHA1 hash:

15b6d855bb908b9bd44b942a934e355da2e2676f

Detections:

win_unidentified_045_auto

win_unidentified_045_g0

Link:

https://www.unpac.me/results/b34adcb3-50ac-4a54-9ff3-b0e3c69aef30/

SH256 hash:

af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b

MD5 hash:

b82c7589ca4eabf9b17b1b39c8bad37e

SHA1 hash:

5e76bbf10b2b2b7180f9a713aedbfaf7470504cc

Link:

https://www.unpac.me/results/b34adcb3-50ac-4a54-9ff3-b0e3c69aef30/

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/af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b

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 af6fa095b427a0e95dd826696c2b92b0123e688e3c95f6d27825cc2928085d1b

(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_NX	Missing Non-Executable Memory Protection	critical
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::SetConsoleWindowInfo KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasesA KERNEL32.dll::GetConsoleTitleA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateDirectoryA KERNEL32.dll::MoveFileW KERNEL32.dll::ReplaceFileA

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