MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b. 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 3 File information Comments

SHA256 hash:	083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b
SHA3-384 hash:	f5b1fa39aea0dacd4dca80cfcc7e0f1725627a967f7bfc27101ff5693bcd8b7217e1f990cbb36c5b6828f6dce73ff179
SHA1 hash:	96099aced1b2724dd7fc56f6978802b87aeebaab
MD5 hash:	8b2f1a0f480177fe032cbf896442a44e
humanhash:	leopard-north-angel-uncle
File name:	file
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	273'408 bytes
First seen:	2024-03-30 09:23:54 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	624073eb8eb5db9d6388daa3da73856e (1 x Smoke Loader)
ssdeep	3072:8LZMm58BE5RRc8+HBi1/G66Czp+lbWhXrcrB0F0VC2MZUrTTk3:8KEVc8dH6ColYrcrB0F0k2MZmTT
TLSH	T19844AD01F6E1F075F9F3467158708A954E3FFC77EAB18A8B3388664E58712C18626B63
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	0000082010100000 (1 x Smoke Loader)
Reporter	Bitsight
Tags:	exe Smoke Loader

Bitsight

url: http://ipdore.org/ipd/index.php

Intelligence

File Origin

# of uploads :

# of downloads :

354

Origin country :

Vendor Threat Intelligence

Malware family:

smoke

ID:

File name:

083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b.exe

Verdict:

Malicious activity

Analysis date:

2024-03-30 09:26:03 UTC

Tags:

loader smoke smokeloader

Link:

https://app.any.run/tasks/2d07ce2c-296e-43a1-a4a3-d8843f990d2c

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

Query of malicious DNS domain

Enabling autorun by creating a file

Sending an HTTP POST request to an infection source

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

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/bbaa02a2-b672-42eb-9f1f-f4a9ed853131

Result

Threat name:

SmokeLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1417763

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/083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2024-03-30 09:24:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ba6jvbtzanhwke33zy4lf4o3tarfvdi7ddodkhxe2ww7yrspu4vq._file

Verdict:

malicious

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub3 backdoor trojan

Link:

https://tria.ge/reports/240330-lc2cbscd6z/

Behaviour

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Program crash

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:

f2380c9c7ebf5be61444882b40a85dccb6790b14877bcc8c4e1d39f3bc89d683

MD5 hash:

ffc4c4b2e33bc7a54671352f724ab869

SHA1 hash:

01d94427bee5a9a2d0bcbbd3af807ad8591e2eb9

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/4c2ea175-79de-45ba-96a7-fb196cbca674/

Parent samples :
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SH256 hash:

083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

MD5 hash:

8b2f1a0f480177fe032cbf896442a44e

SHA1 hash:

96099aced1b2724dd7fc56f6978802b87aeebaab

Link:

https://www.unpac.me/results/4c2ea175-79de-45ba-96a7-fb196cbca674/

Malware family:

SmokeLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/083c9a867903/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/083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

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:	DebuggerException__SetConsoleCtrl 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 083c9a8679034f65137bce38b2f1db98225a8d1f18dc351ee4d5adfc464fa72b

(this sample)

Dropped by

Privateloader

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2796332/

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::WriteProcessMemory KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::FindFirstVolumeMountPointW KERNEL32.dll::FindNextVolumeW KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::PeekConsoleInputA KERNEL32.dll::ReadConsoleInputA KERNEL32.dll::ReadConsoleA KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::RemoveDirectoryW KERNEL32.dll::GetTempPathA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::QueryDosDeviceW

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