MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac. 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

SHA256 hash:	bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac
SHA3-384 hash:	fe40dd233f6fafa394766dcd83743f7e91591beeb151ef54a29f5602ec50fc65120f7228a2ec61203f28664cc680fe62
SHA1 hash:	1cc060d5b056c66f41f81f75c6c3a7ac33c5a8ca
MD5 hash:	4777e7f05fd00c4d760eb3f2c9aed68b
humanhash:	minnesota-lamp-delaware-oscar
File name:	4777e7f05fd00c4d760eb3f2c9aed68b.exe
Download:	download sample
Signature	Smoke Loader Create hunting rule
File size:	212'480 bytes
First seen:	2024-08-22 07:13:45 UTC
Last seen:	2024-08-22 07:28:17 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	b0c0038db4971a28ca51e4ef34c2fead (2 x Smoke Loader)
ssdeep	3072:IrWdgWAjvWA/mQrhj5PV+5HV0tr7L/G5gdSe4+NtM:IrHtvWAh7+KSe4
TLSH	T1A424AD217AE1D076EFFB4A7418B0DAA40E7BFA662730814F26A4275E5E313D04A75F13
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	9671e89eccd2d4ec (1 x Smoke Loader)
Reporter	abuse_ch
Tags:	exe Smoke Loader

Intelligence

File Origin

# of uploads :

# of downloads :

394

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

4777e7f05fd00c4d760eb3f2c9aed68b.exe

Verdict:

Malicious activity

Analysis date:

2024-08-22 07:25:56 UTC

Tags:

loader smokeloader

Link:

https://app.any.run/tasks/a5a58ac8-9bdd-4d36-8d03-8a97ca6eebe8

Note:

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

Detection(s):

SecuriteInfo.com.Win32.CrypterX-gen.20152.18037.UNOFFICIAL

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66c6e53ee7ff3f5a063bbe1d

Tags:

Network Stealth Smoke Loader

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

DNS request

Connection attempt

Sending an HTTP POST request

Unauthorized injection to a system process

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

anti-vm epmicrosoft_visual_cc fingerprint microsoft_visual_cc smokeloader

Link:

https://www.filescan.io/uploads/66c6e53faa12eb10615f6c7b/reports/bb602896-a68c-4fc0-9931-d093e0f56093/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac

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/d3c8eec8-0ced-411c-aafa-3287526c792e

Result

Threat name:

LummaC, Go Injector, LummaC Stealer, Smo

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1497238

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

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)

Injects a PE file into a foreign processes

LummaC encrypted strings found

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

Performs DNS queries to domains with low reputation

Sample uses string decryption to hide its real strings

Suricata IDS alerts 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 Go Injector

Yara detected LummaC Stealer

Yara detected SmokeLoader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac

Detection:

smokeloader

Link:

https://mwdb.cert.pl/sample/bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac/

Threat name:

Win32.Trojan.SmokeLoader

Status:

Malicious

First seen:

2024-08-22 06:33:26 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

32 of 38 (84.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xwokfxcna34wmad3apcxgheugcbslvb2wdbho7ez4nfedwg6oowa._file

Verdict:

malicious

Result

Malware family:

smokeloader

Score:

10/10

Tags:

family:smokeloader botnet:pub1 backdoor discovery trojan

Link:

https://tria.ge/reports/240822-h2m98avbna/

Behaviour

Checks SCSI registry key(s)

Program crash

System Location Discovery: System Language Discovery

SmokeLoader

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/8dd5cc88-46b4-4d70-b7bf-095f70aa926e

Unpacked files

SH256 hash:

94f6dd5dde19307d152c1a86c8d879b0b15882635efcca85448a8581e93f1d48

MD5 hash:

cee613a424d18d0af532c894f5adfe99

SHA1 hash:

f40cfd81f975a2e2a0176aa8b693990faa7df513

Detections:

SmokeLoaderStage2

win_smokeloader_a2

Link:

https://www.unpac.me/results/c825f291-9590-4039-ab76-3f393f13d693/

Parent samples :

064c59b3a8b03e6c733f88483fd675d99bc805399c55d4a1a7b613aa20d08de8
bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac
82d99b840ac392300eb572ed71f77b62278361bce95488e24b0f53de4d67ad8c
c9df783b54c2a135f1aed03e5bc8910d76b45f86dbc24e5f295ffd6e2fc3cfa0
64f1dd01e35a2b9ea3cfef3add84388f63e4ac7fcfd1daf68e5aebeb11c8e944

SH256 hash:

bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac

MD5 hash:

4777e7f05fd00c4d760eb3f2c9aed68b

SHA1 hash:

1cc060d5b056c66f41f81f75c6c3a7ac33c5a8ca

Link:

https://www.unpac.me/results/c825f291-9590-4039-ab76-3f393f13d693/

Malware family:

SmokeLoader

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/bd9ca2dc4d06/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/bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac

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:	DebuggerHiding__Active 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 bd9ca2dc4d06f966007b03c5731c94308325d43ab0c2777c99e34a41d8de73ac

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3112849/

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::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::FillConsoleOutputCharacterA KERNEL32.dll::WriteConsoleOutputA KERNEL32.dll::SetConsoleScreenBufferSize KERNEL32.dll::GetConsoleAliasesLengthW KERNEL32.dll::GetConsoleAliasesLengthA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryW
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA

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