MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005. 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:	be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005
SHA3-384 hash:	c0d5f8e21db6aa55717e087e81dc36f393df96cf34a0784fb275794452630b62ec342dd3809998bfc01a424424ec71f4
SHA1 hash:	9039f711a6d9f709329a80176a2dd4db023e9188
MD5 hash:	1d71d802fb38181c29a9844716b11ab2
humanhash:	spring-edward-london-comet
File name:	C80F5360D6E3484FF09BD86186BAFFA361803879E40CEAA9AF984CDF68FFEA5B.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	246'784 bytes
First seen:	2024-07-24 21:23:11 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	3072:8bKK0udcEAuWCFKmWi6SGF5HsFbzkGCH:uxCERWThJstF
TLSH	T13734C0227AC0D032C49B15317074DB69AE7AE43113A5458BA7A90AFF1FF03D196F67CA
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	5c59da3ce0c1c850 (36 x Stop, 33 x Smoke Loader, 26 x RedLineStealer)
Reporter	Anonymous
Tags:	exe Smoke Loader

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

330

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=66a170f7ae21d7902eafccab

Tags:

Execution Generic Network Static Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

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/66a170f49149fd55f99015b1/reports/eb13ce2a-bdce-41fd-b956-5275867f7da8/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/85342963-b69a-46db-b013-2a45c2814f98

Result

Threat name:

Bdaejec, SmokeLoader

Detection:

malicious

Classification:

spre.troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1480787

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/be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005/

Threat name:

Win32.Virus.Jadtre

Status:

Malicious

First seen:

2024-07-24 21:24:06 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=xyohsj25qntjnialewgrlkftg6umtpvydgffxu6vvl3e2zqmqacq._file

Verdict:

malicious

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub1 aspackv2 backdoor discovery trojan

Link:

https://tria.ge/reports/240724-z8184a1bmf/

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/c3ee0de2-30f5-42fe-a0f0-12e73fcf69b9

Unpacked files

SH256 hash:

788f723ebfe0110232b52ee15345acc5f74a53ea45e5f422dc5ce2eb5833fadc

MD5 hash:

198ff357daf4345c9fc869616b139381

SHA1 hash:

24c9899b296cf004e400b77e72b89f42bb726f37

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/bad304e3-32c5-4f09-ad0e-7bcb142e362c/

Parent samples :

3c6f5e38acd57a6372e44dc341bf46060fef8c8b0e1dd3ffa38b21ddaddc3773
6861cdee1ee282ee8c69e31503d95291409907d8b27538f8082adb00205ad105
ccf4e081582226315f3a2bc171b604e3911d0225cc85e18188872ea9832a5388
be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005
53bcd8239258dcbb10f9d3b6d057103c18fe3dd614c5809053426b01b741500d

SH256 hash:

7b85bcbd70549603720f7899fa7e267f6f2b149267df350c214aad400dba1050

MD5 hash:

33a308e995071e660578b8c21120f6d1

SHA1 hash:

a7d603defc06142153c5cc6ffa2df5b07b275ec9

Detections:

win_unidentified_045_auto

win_unidentified_045_g0

Link:

https://www.unpac.me/results/bad304e3-32c5-4f09-ad0e-7bcb142e362c/

SH256 hash:

be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005

MD5 hash:

1d71d802fb38181c29a9844716b11ab2

SHA1 hash:

9039f711a6d9f709329a80176a2dd4db023e9188

Link:

https://www.unpac.me/results/bad304e3-32c5-4f09-ad0e-7bcb142e362c/

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/be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005

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 be1c79275d836696a00b258d15a8b337a8c9beb8198a5bd3d5aaf64d660c8005

(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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