MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83
SHA3-384 hash: f360138c981d23f64720284f36bc74eb65a1f5434f4cffbdba9d7d657d7f75043e4e49e9110a34adc9b2dac5d9f4a8a5
SHA1 hash: 3cedde5ac3d1eec2b35bc48e0732569c4819645a
MD5 hash: a52ca56e1cb24dacbaaeb3158a266e86
humanhash: steak-nevada-delaware-coffee
File name:SecuriteInfo.com.Win64.MalwareX-gen.31092.13519
Download: download sample
Signature Smoke Loader
Create hunting rule
File size:1'259'520 bytes
First seen:2025-06-11 05:30:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash ef8d4a7329b7ef282b569d08eff25452 (7 x LummaStealer, 1 x Smoke Loader, 1 x CoinMiner)
ssdeep 24576:lfS0roO3a+HkkZPqc6cD39XGsFEUYlLEautDgam06bko78tL6tXCwJulvBEPKCUu:lfS0roO3a+HkkZPqcp39XGsFvYlZkbm9
TLSH T1794539395580D2D2FC32807980B162EC7921B737C22D3BFBD6A4E663AE076C56E5635C
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence

File Origin
# of uploads :
1
# of downloads :
463
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win64.MalwareX-gen.31092.13519
Verdict:
Malicious activity
Analysis date:
2025-06-11 05:36:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/951ac1f3-b6b8-4a87-a73c-35d0fab3a039

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/8884/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.31092.13519.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684914fa8bd5d68a12e7a144
Tags:
virus krypt zpack
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP POST request
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
crypt fingerprint microsoft_visual_cc packed packed packer_detected similar-threat
Link:
https://www.filescan.io/uploads/684914d1fd02ed5e05a35d58/reports/d5d7eeb2-23a2-47e2-845a-8bdee93958ad/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d310febc-97e1-4747-a47c-32d4aa3ed9a3
Result
Threat name:
SmokeLoader
Create hunting rule
Detection:
malicious
Classification:
bank.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1711889
Signature
Allocates memory in foreign processes
Benign windows process drops PE files
Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation))
Checks if browser processes are running
Checks if the current machine is a virtual machine (disk enumeration)
Contains functionality to compare user and computer (likely to detect sandboxes)
Creates a thread in another existing process (thread injection)
Found API chain indicative of debugger detection
Found evasive API chain (may stop execution after checking mutex)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected SmokeLoader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711889 Sample: SecuriteInfo.com.Win64.Malw... Startdate: 11/06/2025 Architecture: WINDOWS Score: 100 37 pki-goog.l.google.com 2->37 39 helpsscodds.in 2->39 41 4 other IPs or domains 2->41 45 Suricata IDS alerts for network traffic 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 3 other signatures 2->51 9 SecuriteInfo.com.Win64.MalwareX-gen.31092.13519.exe 1 2->9         started        12 vdtwbrg 2 2->12         started        signatures3 process4 signatures5 61 Writes to foreign memory regions 9->61 63 Allocates memory in foreign processes 9->63 65 Injects a PE file into a foreign processes 9->65 14 MSBuild.exe 9->14         started        17 conhost.exe 9->17         started        19 conhost.exe 12->19         started        process6 signatures7 77 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->77 79 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 14->79 81 Maps a DLL or memory area into another process 14->81 83 3 other signatures 14->83 21 explorer.exe 34 4 14->21 injected process8 dnsIp9 43 helpsscodds.in 186.233.231.45, 443, 49694, 49695 SolucaoNetworkProvedorLtdaBR Brazil 21->43 35 C:\Users\user\AppData\Roaming\vdtwbrg, PE32 21->35 dropped 53 System process connects to network (likely due to code injection or exploit) 21->53 55 Benign windows process drops PE files 21->55 57 Injects code into the Windows Explorer (explorer.exe) 21->57 59 Writes to foreign memory regions 21->59 26 explorer.exe 20 21->26         started        29 explorer.exe 21->29         started        31 explorer.exe 21->31         started        33 12 other processes 21->33 file10 signatures11 process12 signatures13 67 Found evasive API chain (may stop execution after checking mutex) 26->67 69 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->69 71 Tries to steal Mail credentials (via file / registry access) 26->71 75 3 other signatures 26->75 73 Tries to harvest and steal browser information (history, passwords, etc) 29->73
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ia7x5tb6fmcarrvdd5vtfif3ulvayqm5uwyrocb2pogjistk3wbq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/250611-f7x1hazwfy/
Behaviour
Checks SCSI registry key(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a4a9dc02-82ed-47f6-8f2d-f381fe0c36c5
Unpacked files
SH256 hash:
403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83
MD5 hash:
a52ca56e1cb24dacbaaeb3158a266e86
SHA1 hash:
3cedde5ac3d1eec2b35bc48e0732569c4819645a
Link:
https://www.unpac.me/results/75624e25-2d4d-4fda-9242-947085f14b85/
Malware family:
SmokeLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/403f7ecc3e2b/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/403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Smoke Loader

Executable exe 403f7ecc3e2b0408c6a31f6b32a0bba2ea0c419da5b117083a7b8c944a6add83

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/8884/
  
URLhaus
https://urlhaus.abuse.ch/url/3560522/
  
Delivery method
Distributed via web download

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