MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73639e5216b7fb5c0550f69d63bcbb3e568fd912f9288216795eb965b1b2b6fe. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments

SHA256 hash: 73639e5216b7fb5c0550f69d63bcbb3e568fd912f9288216795eb965b1b2b6fe
SHA3-384 hash: c981a263aa5e830fdf038ac60a5e966939a2d0ac2ab77e04df698ebd3133c54ef437236395f5fa7f77c6cf83aa37d1cf
SHA1 hash: 96a8472e65372354ee172147c695caa8df2962e5
MD5 hash: 40520719c58427a3f5a57d4949aa5a09
humanhash: ten-indigo-grey-pizza
File name:73639e5216b7fb5c0550f69d63bcbb3e568fd912f9288216795eb965b1b2b6fe
Download: download sample
Signature Smoke Loader
File size:178'176 bytes
First seen:2023-11-07 14:50:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3cfc2654d985eb5b7fd58484f30ba50c (1 x MarsStealer, 1 x Smoke Loader)
ssdeep 3072:04BN4bL5vZ9sc9XSIScIweuDK8agjvWmVpbHnaW0X+vumlz:RSFvZ9scBSIScG89T7WmvDnf0XY
Threatray 246 similar samples on MalwareBazaar
TLSH T10504CF2172E1D072D0B75A3065B4D6A21E3BB8722B7594CF37801A7E4F713C1ABB935A
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 0001212830001100 (1 x Smoke Loader)
Reporter adrian__luca
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
1
# of downloads :
328
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
73639e5216b7fb5c0550f69d63bcbb3e568fd912f9288216795eb965b1b2b6fe
Verdict:
Malicious activity
Analysis date:
2023-11-07 14:56:17 UTC
Tags:
loader smoke

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

Behaviour
Sending a custom TCP request
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 an HTTP GET request
Creating a process from a recently created file
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
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware packed
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 API chain indicative of debugger detection
Found evasive API chain (may stop execution after checking system information)
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: 1338293 Sample: 8Pj6FLo8ya.exe Startdate: 07/11/2023 Architecture: WINDOWS Score: 100 23 dpav.cc 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 8Pj6FLo8ya.exe 2->7         started        10 jwigfga 2->10         started        12 jwigfga 2->12         started        signatures3 process4 signatures5 45 Detected unpacking (changes PE section rights) 7->45 47 Found evasive API chain (may stop execution after checking system information) 7->47 49 Found API chain indicative of debugger detection 7->49 57 5 other signatures 7->57 14 explorer.exe 8 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 process6 dnsIp7 25 190.224.203.37, 49752, 49753, 49754 TelecomArgentinaSAAR Argentina 14->25 27 dpav.cc 109.175.29.39, 49706, 49707, 49708 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 14->27 19 C:\Users\user\AppData\Roaming\jwigfga, PE32 14->19 dropped 21 C:\Users\user\...\jwigfga: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.Smokeloader
Status:
Malicious
First seen:
2023-10-27 23:47:44 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
26 of 37 (70.27%)
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 AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Uses Task Scheduler COM API
Deletes itself
SmokeLoader
Malware Config
C2 Extraction:
http://dpav.cc/tmp/
http://lrproduct.ru/tmp/
http://kggcp.com/tmp/
http://talesofpirates.net/tmp/
http://pirateking.online/tmp/
http://piratia.pw/tmp/
http://go-piratia.ru/tmp/
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__ConsoleCtrl
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:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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 73639e5216b7fb5c0550f69d63bcbb3e568fd912f9288216795eb965b1b2b6fe

(this sample)

  
Delivery method
Distributed via web download

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