MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c. 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 1 File information Comments

SHA256 hash:	53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c
SHA3-384 hash:	d31ef9271605d06520aeefc462008cb46d76dd676f13b389132d612d0082716d41d72f7604e39fbcbcbce95a629c91d2
SHA1 hash:	1c0b7ebe21c9abac3416ed32b1238c8607090f4d
MD5 hash:	53801a0bcd9199d21c20df467beee881
humanhash:	twenty-sink-cat-mango
File name:	53801a0bcd9199d21c20df467beee881.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	324'096 bytes
First seen:	2024-03-21 19:36:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	22d51019ef926c7d67891a16d936728c (3 x Smoke Loader, 3 x Stealc, 1 x Glupteba)
ssdeep	3072:z0iD5S2RZihP2+ccK+EXWkDo/jXnKw3MrMhLv1tmoL7XMwY1olXM4Q6d:FHON2ZW9n3M6vN7ZYi
Threatray	2'168 similar samples on MalwareBazaar
TLSH	T1D9646A0371D1EC71E46247358E2CA9EC372EFCA69D259B5733483E4F28B11A1DA27B52
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) 7.1% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	0000208051211808 (1 x Smoke Loader)
Reporter	abuse_ch
Tags:	exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

342

Origin country :

Vendor Threat Intelligence

Malware family:

smoke

ID:

File name:

53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c.exe

Verdict:

Malicious activity

Analysis date:

2024-03-21 19:42:00 UTC

Tags:

loader smoke smokeloader

Link:

https://app.any.run/tasks/fed4a6e8-9198-4c47-b98f-d0b930fa8b2a

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Connection attempt to an infection source

DNS request

Connection attempt

Sending an HTTP POST request

Sending a custom TCP request

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Sending an HTTP GET request

Query of malicious DNS domain

Unauthorized injection to a system process

Enabling autorun by creating a file

Sending an HTTP POST request to an infection source

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

fingerprint smokeloader

Link:

https://www.filescan.io/uploads/65fc8c6583a3efb188d59560/reports/3fbc1fa6-7da8-43d3-9aec-29f9d6df8189/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c

Malware family:

STOP Ransomware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e20e4c92-5e4a-47e0-b833-ffcbe2ede030

Result

Threat name:

SmokeLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1413578

Signature

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)

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

Snort IDS alert for network traffic

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

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c/

Threat name:

Win32.Trojan.SmokeLoader

Status:

Malicious

First seen:

2024-03-20 13:55:38 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

27 of 38 (71.05%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kor53oqloulbzywurt7jj4fukny7q6pnzp2fovw2kd3stntercga._file

Verdict:

malicious

Smoke Loader

53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c

Smoke Loader

5d757b69732066527c841f7007486942fe0f339770121327053917bf6c05d7c5

Smoke Loader

b6b2a535b20c12e6098f63029a4a1f235d0801815316cc2b8d170f27b3fd5b60

Smoke Loader

c0db80c802efadad423ac6db9d62d1b6a67c593a177774524658ec91e8f9910e

Smoke Loader

cab8ce1b9026b804505c128b7da21af759db3007b134c1ab6e232ce27e0fd6f9

Smoke Loader

+ 2'158 additional samples on MalwareBazaar

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub1 backdoor trojan

Link:

https://tria.ge/reports/240321-ybs1sagc97/

Behaviour

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of UnmapMainImage

Uses Task Scheduler COM API

Deletes itself

SmokeLoader

Malware Config

C2 Extraction:

http://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php

Unpacked files

SH256 hash:

94c980bdb481962b3fe2eac2de1c1684e7dd5801f8f7eb4222297e0aba5c81e9

MD5 hash:

cec993b0844a21755ac2ce6256649c4f

SHA1 hash:

250da948d4a2e870189fa3ef3556c976fa17ae5c

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/8247d2d1-039a-42c4-94dd-018884193975/

Parent samples :

2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d
53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
f79fad860397942a2d808e1d2b5601f7d3b2af5057195507b782d797be07f301
edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

SH256 hash:

53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c

MD5 hash:

53801a0bcd9199d21c20df467beee881

SHA1 hash:

1c0b7ebe21c9abac3416ed32b1238c8607090f4d

Link:

https://www.unpac.me/results/8247d2d1-039a-42c4-94dd-018884193975/

Malware family:

SmokeLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/53a3ddba0b75/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/53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c

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

Smoke Loader

exe 53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2786106/

Delivery method

Distributed via web download

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
AUTH_API	Manipulates User Authorization	USER32.dll::SetUserObjectSecurity
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindNextVolumeMountPointW KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationA KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::FreeConsole KERNEL32.dll::PeekConsoleInputW KERNEL32.dll::ReadConsoleA KERNEL32.dll::ReadConsoleOutputCharacterW KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceW
WIN_HTTP_API	Uses HTTP services	WINHTTP.dll::WinHttpOpen

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