MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0. 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 5 File information Comments

SHA256 hash: 035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0
SHA3-384 hash: 273162d10e76564ba8841fda813042df72f7cc970fda8f55a0ac5098127a835127969c1d9374b53b75fd78eede66059f
SHA1 hash: 0c76a65c47b3b92d1c133b7767ad176416c29045
MD5 hash: a67b46ffde56acb802ab5cb6357e5ded
humanhash: sierra-sierra-summer-queen
File name:fc20f331.exe
Download: download sample
Signature Smoke Loader
File size:308'224 bytes
First seen:2024-01-07 04:26:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash de13e22fc261029836773306583464cf (4 x Smoke Loader, 2 x Stealc, 2 x Vidar)
ssdeep 3072:/8lLtOIPrkS7rJikDHhwNlJKJX7AXqikd2gB9p2ckaR/Ya0fTK7KVDrc+B5f239F:/8lLZDkST6+MXCd+Q0fTgYn79o6q
TLSH T154648D1135E1C133E2B31BB5887087B41B3F78A26975455E2ACB1B6D1F2A7D18A313AF
TrID 46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
dhash icon d2b1e4d4e4f9c7f9 (1 x Smoke Loader)
Reporter adm1n_usa32
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0.exe
Verdict:
Malicious activity
Analysis date:
2024-01-07 04:46:37 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
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
DNS request
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed smokeloader
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 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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1370879 Sample: fc20f331.exe Startdate: 07/01/2024 Architecture: WINDOWS Score: 100 23 gxutc2c.com 2->23 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for domain / URL 2->37 39 Found malware configuration 2->39 41 7 other signatures 2->41 7 fc20f331.exe 2->7         started        10 hgjtfdg 2->10         started        12 hgjtfdg 2->12         started        signatures3 process4 signatures5 43 Detected unpacking (changes PE section rights) 7->43 45 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->45 47 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 7->47 55 3 other signatures 7->55 14 explorer.exe 11 3 7->14 injected 49 Antivirus detection for dropped file 10->49 51 Multi AV Scanner detection for dropped file 10->51 53 Machine Learning detection for dropped file 10->53 process6 dnsIp7 25 gxutc2c.com 179.25.14.228, 49708, 49709, 49710 AdministracionNacionaldeTelecomunicacionesUY Uruguay 14->25 19 C:\Users\user\AppData\Roaming\hgjtfdg, PE32 14->19 dropped 21 C:\Users\user\...\hgjtfdg:Zone.Identifier, ASCII 14->21 dropped 27 System process connects to network (likely due to code injection or exploit) 14->27 29 Benign windows process drops PE files 14->29 31 Deletes itself after installation 14->31 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->33 file8 signatures9
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-01-07 04:27:04 UTC
File Type:
PE (Exe)
Extracted files:
50
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub2 backdoor trojan
Behaviour
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Deletes itself
Executes dropped EXE
SmokeLoader
Malware Config
C2 Extraction:
http://gxutc2c.com/tmp/index.php
http://proekt8.ru/tmp/index.php
http://mth.com.ua/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:
383d07797727802747eeefbc189944bc8438460e492752063d4b899659264e54
MD5 hash:
9bcde9dfa26981ec609bf45b3494e78a
SHA1 hash:
23d424a8dbd67eb4337500271eab6d125ce98702
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0
MD5 hash:
a67b46ffde56acb802ab5cb6357e5ded
SHA1 hash:
0c76a65c47b3b92d1c133b7767ad176416c29045
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:DebuggerException__SetConsoleCtrl
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 035f80e34dc781f15ce459e8e40683ad7e1d9fbd6f7ac4461d6cfde34cc8edb0

(this sample)

  
Delivery method
Distributed via web download

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