MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890. 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: 18

Intelligence 18 IOCs YARA 4 File information Comments 1

SHA256 hash:	fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890
SHA3-384 hash:	cfa7fc68744958a416700eafa8e9f77532204266d6c019e853e695b622501ada72b8283861796d3dd14310a3fa9cf966
SHA1 hash:	014a3507495e3fb61d7e8ac9a995e1625f1929ee
MD5 hash:	8233b952b25c2acd513dcd707b9c2b79
humanhash:	bakerloo-skylark-cola-muppet
File name:	8233b952b25c2acd513dcd707b9c2b79
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	239'616 bytes
First seen:	2024-07-19 07:48:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	694d640a38a305673498b98114ebcdcd (2 x TeamBot, 2 x Smoke Loader, 2 x Stop)
ssdeep	6144:lOkoL0QI87zDPQthWpqlHdajHj1GXlWYTBiW9mK:lr8HIuzDPQiqd4jHkEsR9j
Threatray	2'390 similar samples on MalwareBazaar
TLSH	T17C34C02236E5C033F223467489F2A6B55A6BFCA14B73D5CF2BD0176E5F362A1D618312
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) 7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	020605030a483000 (1 x Smoke Loader)
Reporter	zbetcheckin
Tags:	32 exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

193

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890.zip

Verdict:

Malicious activity

Analysis date:

2024-07-19 21:41:32 UTC

Tags:

loader smokeloader

Link:

https://app.any.run/tasks/a8db771b-2679-42f7-8ded-7e138e254013

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

Verdict:

Malicious

Score:

93.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=669a1a722f6eaff4b90ee12e

Tags:

Stealth

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

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:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

epmicrosoft_visual_cc fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/669a1a70a59c11b474e9809b/reports/e8d930c8-aba3-4fe8-ae01-5759908ea9cd/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890

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:

Malicious

Link:

https://analyze.intezer.com/analyses/aca58950-5c78-43c3-baa4-aba1be4485d8

Result

Threat name:

SmokeLoader

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1476598

Signature

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus detection for URL or domain

Benign windows process drops PE files

C2 URLs / IPs found in malware configuration

Changes memory attributes in foreign processes to executable or writable

Check for Windows Defender sandbox

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)

Creates autostart registry keys with suspicious names

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)

Injects code into the Windows Explorer (explorer.exe)

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

Queries memory information (via WMI often done to detect virtual machines)

Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)

Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)

Sigma detected: New RUN Key Pointing to Suspicious Folder

Snort IDS alert for network traffic

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)

Writes to foreign memory regions

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890/

Threat name:

Win32.Trojan.Smokeloader

Status:

Malicious

First seen:

2024-07-19 07:49:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=7japous3ru56go7ywsw7umunkxd47nkmnm5w7zvsi6e7og7npcia._file

Verdict:

malicious

Smoke Loader

1925ddf975a0dd86f3b2cade044a1391420fd1be19a43a4d75c75d55aef7e495

Smoke Loader

50ca2730d4feb93b8d6cf986a86b34912d83c10dd7d7259d3538d415c904af73

Smoke Loader

9276c8c7d62e48aa9fdb4f5ab57c0f9a5edf0c8d2827ab7ac7653c9bdb52a40b

Smoke Loader

d0a5a89efc24b65fc97c0bb78051d46c04c8470d295e6d8eeecbf61e520e197e

Smoke Loader

f518307808486c2718cd6b83e4e5f012e3531c8d352abd6d51b7311fcfa2c28c

Smoke Loader

f662b3ef913a9bfb62cb970e6f8f8e81ad75b21deaccffc01cbc1390f34e776e

Smoke Loader

fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890

Smoke Loader

+ 2'380 additional samples on MalwareBazaar

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub2 backdoor trojan

Link:

https://tria.ge/reports/240719-jnpfsstbla/

Behaviour

Checks SCSI registry key(s)

Program crash

SmokeLoader

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/016225df-3928-4b8c-84ad-fda884223ece

Unpacked files

SH256 hash:

71a037f50013ea3d027ca8e3705ff6af2d28bb2a990c668fa1d3cce14d16c67a

MD5 hash:

8076765b0ac9d281a4fa2c8f30808b26

SHA1 hash:

5edeee2a17b45bd4b11c1ba16b324a6e963bf3a1

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/9ca3b260-ecf6-4120-97cf-5f3287f080fd/

Parent samples :
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SH256 hash:

fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890

MD5 hash:

8233b952b25c2acd513dcd707b9c2b79

SHA1 hash:

014a3507495e3fb61d7e8ac9a995e1625f1929ee

Link:

https://www.unpac.me/results/9ca3b260-ecf6-4120-97cf-5f3287f080fd/

Malware family:

SmokeLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/fa40f7525b8d/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/fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890

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

File information

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

Web download

Smoke Loader

exe fa40f7525b8d3be33bf8b4adfa328d55c7cfb54c6b3b6fe6b24789f71bed7890

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3052315/

URLhaus

https://urlhaus.abuse.ch/url/2948289/

URLhaus

https://urlhaus.abuse.ch/url/3052257/

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
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::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetDiskFreeSpaceExA KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputW KERNEL32.dll::SetConsoleCtrlHandler KERNEL32.dll::SetStdHandle KERNEL32.dll::AssignProcessToJobObject KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileW

Comments

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zbet commented on 2024-07-19 07:48:11 UTC

url : hxxp://coe.com.vn/tmp/2.exe