MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8451898d2d2fea969444d88a4375ce675b8bc76165d0d6dab43272353c40b996. 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 4 File information Comments

SHA256 hash: 8451898d2d2fea969444d88a4375ce675b8bc76165d0d6dab43272353c40b996
SHA3-384 hash: 7604e9bb53cca4195d36a6c24a61eb4f1882256525da198b15fbc932f27f9775691ff45ea3ce7ded2a2f8cf460313555
SHA1 hash: 41964f92f396180d9c30ea5a7219a3830e4e1f14
MD5 hash: 45156b00dc83ab313360f5dcdd07da35
humanhash: pip-butter-south-montana
File name:SecuriteInfo.com.Win32.PWSX-gen.24135.19028
Download: download sample
Signature Smoke Loader
File size:291'328 bytes
First seen:2023-11-29 08:27:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 99e733edb40d39f08a07658473c3f554 (1 x Stealc, 1 x CoinMiner, 1 x Vidar)
ssdeep 6144:te0vmUkqm4m3EwBdElNDVgIwDzqudL7Z6VK:tf5m3Ew/INDT4dL7EV
Threatray 6 similar samples on MalwareBazaar
TLSH T164547C1266E97861E5174A33FE6AC2E8671EF9914F253B9B33546F2F49701F2C262303
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) (4505/5/1)
File icon (PE):PE icon
dhash icon 0094841208122020 (1 x Smoke Loader)
Reporter SecuriteInfoCom
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
345
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SecuriteInfo.com.Win32.PWSX-gen.24135.19028
Verdict:
Malicious activity
Analysis date:
2023-11-29 08:27:44 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP POST request
Sending a custom TCP request
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Gathering data
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.
Result
Threat name:
SmokeLoader
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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 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
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1349772 Sample: SecuriteInfo.com.Win32.PWSX... Startdate: 29/11/2023 Architecture: WINDOWS Score: 100 23 humydrole.com 2->23 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 6 other signatures 2->43 7 SecuriteInfo.com.Win32.PWSX-gen.24135.19028.exe 2->7         started        10 wwjrwdd 2->10         started        12 wwjrwdd 2->12         started        signatures3 process4 signatures5 45 Detected unpacking (changes PE section rights) 7->45 47 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->47 49 Maps a DLL or memory area into another process 7->49 14 explorer.exe 7 3 7->14 injected 51 Antivirus detection for dropped file 10->51 53 Multi AV Scanner detection for dropped file 10->53 55 Machine Learning detection for dropped file 10->55 57 Checks if the current machine is a virtual machine (disk enumeration) 12->57 59 Creates a thread in another existing process (thread injection) 12->59 process6 dnsIp7 25 humydrole.com 186.182.55.44, 49734, 49735, 49736 TechtelLMDSComunicacionesInteractivasSAAR Argentina 14->25 27 190.12.87.61, 49773, 80 OPTICALTECHNOLOGIESSACPE Peru 14->27 19 C:\Users\user\AppData\Roaming\wwjrwdd, PE32 14->19 dropped 21 C:\Users\user\...\wwjrwdd:Zone.Identifier, ASCII 14->21 dropped 29 System process connects to network (likely due to code injection or exploit) 14->29 31 Benign windows process drops PE files 14->31 33 Deletes itself after installation 14->33 35 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->35 file8 signatures9
Threat name:
Win32.Trojan.DllCheck
Status:
Malicious
First seen:
2023-11-29 08:28:06 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://humydrole.com/tmp/index.php
http://trunk-co.ru/tmp/index.php
http://weareelight.com/tmp/index.php
http://pirateking.online/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
Unpacked files
SH256 hash:
a1e98eaa5d764ee7102955bdabbd99ee429c71d3c743345e8dd2ab9f4b004454
MD5 hash:
a73bdfe08696644a871d7f5907a183e5
SHA1 hash:
3c7dcc717a1c09ffc6bfa6fc62a03436c43ffeac
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
8451898d2d2fea969444d88a4375ce675b8bc76165d0d6dab43272353c40b996
MD5 hash:
45156b00dc83ab313360f5dcdd07da35
SHA1 hash:
41964f92f396180d9c30ea5a7219a3830e4e1f14
Malware family:
SmokeLoader
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security

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 8451898d2d2fea969444d88a4375ce675b8bc76165d0d6dab43272353c40b996

(this sample)

  
Delivery method
Distributed via web download

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