MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3. 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 2 File information Comments

SHA256 hash:	edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3
SHA3-384 hash:	b7162a426a70735b1b304e36af8c9f53116bf6b9df0573beead7bcbee617d9d5d9d433c6f6cf81386f757482a699e280
SHA1 hash:	d90e34d52d909ea2bb02956d83072dfb44d6214b
MD5 hash:	a3ff800ba91a6a567f854274dcdde460
humanhash:	august-undress-low-finch
File name:	edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	273'408 bytes
First seen:	2024-04-05 12:24:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	989804a60ff39e5f1db724908b106936 (1 x Smoke Loader)
ssdeep	3072:1jIqoLA434t8a+bf/X2oxoDVd7s8xHQSeaBJDK0vxXKVurs6GD2l/IpAKIA:1jvt8aKX2Vd7bHFeaBlvlzs6V/IyK
Threatray	2'279 similar samples on MalwareBazaar
TLSH	T15744BE0279E2D471FAB38B311D708A54163FFCB35A718A5F33C8261E68B16C15A76B63
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	000404010c181000 (1 x Smoke Loader)
Reporter	adrian__luca
Tags:	exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

306

Origin country :

Vendor Threat Intelligence

Malware family:

smoke

ID:

File name:

edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3.exe

Verdict:

Malicious activity

Analysis date:

2024-04-05 12:27:13 UTC

Tags:

loader smoke smokeloader

Link:

https://app.any.run/tasks/8f4e596d-8a4a-4e44-a8ca-7f5d02618ba0

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Query of malicious DNS domain

Enabling autorun by creating a file

Sending an HTTP POST request to an infection source

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

danabot fingerprint mokes

Link:

https://www.filescan.io/uploads/660feda3eda31927461db888/reports/086e7122-9e8a-4b7d-b33c-07e6de1e5cd8/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

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/ec4961e9-0429-4c78-acb9-a05ab3393463

Result

Threat name:

SmokeLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1420848

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 domain / URL

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Snort IDS alert for network traffic

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 SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3/

Threat name:

Win32.Trojan.SmokeLoader

Status:

Malicious

First seen:

2024-03-25 03:29:21 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5x63cctttumvd4dwxjur2iziuuoxdb7jh56cmgl4i4ndbtlna7zq._file

Verdict:

malicious

Smoke Loader

339f7bd2b39364138d088ddd6cfc4541b6c18da0f24315388bcf80af0ee3ac99

Smoke Loader

37c593afa2791249363f27cb2818fe560338c9abdfb2b270b26a88696a87c3e9

Smoke Loader

46a8847d9b5339fcadfbaf158c5775c5ab2965f014afa009671573b4d9d1ce2c

Smoke Loader

+ 2'269 additional samples on MalwareBazaar

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub1 backdoor trojan

Link:

https://tria.ge/reports/240405-pllj1sce63/

Behaviour

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

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/5c6d7b74-e67f-4746-8943-98acbf8ed48a/

Parent samples :

2ab7e6e873e7c7b1bde654551484678ea53b4ec4a20a5058a7508fc254e2146d
53a3ddba0b75161ce2d48cfe94f0b45371f879edcbf45756da50f729b664888c
4f6b05e7e7c2c51a1cf5569a47a8bf31f8d452359f5a37bcecd36ef3f852c858
b6c6e0ed6e5aa62baec8de42d2d8fee52df072c6a2b33530fbf8bc73d36309a9
f79fad860397942a2d808e1d2b5601f7d3b2af5057195507b782d797be07f301
edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

SH256 hash:

edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

MD5 hash:

a3ff800ba91a6a567f854274dcdde460

SHA1 hash:

d90e34d52d909ea2bb02956d83072dfb44d6214b

Link:

https://www.unpac.me/results/5c6d7b74-e67f-4746-8943-98acbf8ed48a/

Malware family:

SmokeLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/edfdb10a739d/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/edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

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:	EXE_Stealer_StealC_Feb2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

File information

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

Web download

Smoke Loader

exe edfdb10a739d1951f076ba691d2328a51d7187e93f7c26197c471a30cd6d07f3

(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
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeMountPointA KERNEL32.dll::GetFirmwareEnvironmentVariableW KERNEL32.dll::SetSystemPowerState KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::PeekConsoleInputW KERNEL32.dll::ReadConsoleW KERNEL32.dll::SetConsoleTextAttribute KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryA KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceA

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