MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 372e57bb7c5c1ced9be8a0feb67e796b2a1494f79ec93dfb4013e3094f677dfb. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 372e57bb7c5c1ced9be8a0feb67e796b2a1494f79ec93dfb4013e3094f677dfb
SHA3-384 hash: 2c30054e151d3458d4968fdbfa55c7c7f1aa1cf19e02c4fe8c1f44e4b512235edd0ed7e3673745a562d915c3d17ae3a7
SHA1 hash: 1ae15229294eab1c22f4ed9eb9140a5fcdce9340
MD5 hash: b8ea3ea5fbffdd6dd4a167efc3f6a388
humanhash: ceiling-winter-social-blossom
File name:b8ea3ea5fbffdd6dd4a167efc3f6a388.exe
Download: download sample
Signature Smoke Loader
File size:303'616 bytes
First seen:2024-02-01 08:28:09 UTC
Last seen:2024-02-01 10:22:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 685a2798ec5758e8d584dbcc26c0bfd7 (5 x Smoke Loader, 2 x GCleaner)
ssdeep 3072:xifMkR+2NQe6MEF7ibPCdL1yCLgs1pInkMR610YCxJHAmcuItkwqwT0OFt+i/GoF:wUk/Ke6FqCdJyTb610YAcuIthb+dw
Threatray 1'862 similar samples on MalwareBazaar
TLSH T178548DD062E4A036E2B306344970D3E71A7BFC6225B1598F5F91EA3A3E343D1A664F17
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 3370ccd2ccf033da (36 x Smoke Loader, 10 x Stealc, 8 x GCleaner)
Reporter abuse_ch
Tags:exe Smoke Loader

Intelligence


File Origin
# of uploads :
2
# of downloads :
289
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
372e57bb7c5c1ced9be8a0feb67e796b2a1494f79ec93dfb4013e3094f677dfb.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 09:00:02 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
71%
Tags:
fingerprint 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:
Clipboard Hijacker, SmokeLoader
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
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)
Contains functionality to infect the boot sector
Creates a thread in another existing process (thread injection)
Delayed program exit found
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found stalling execution ending in API Sleep call
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 Clipboard Hijacker
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384620 Sample: N0M4Yz3bdq.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 55 sjyey.com 2->55 57 emgvod.com 2->57 59 2 other IPs or domains 2->59 69 Snort IDS alert for network traffic 2->69 71 Multi AV Scanner detection for domain / URL 2->71 73 Found malware configuration 2->73 75 15 other signatures 2->75 9 N0M4Yz3bdq.exe 2->9         started        12 wfhfbwv 2->12         started        14 C820.exe 2->14         started        signatures3 process4 signatures5 91 Detected unpacking (changes PE section rights) 9->91 93 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->93 95 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->95 103 2 other signatures 9->103 16 explorer.exe 90 10 9->16 injected 97 Multi AV Scanner detection for dropped file 12->97 99 Machine Learning detection for dropped file 12->99 101 Maps a DLL or memory area into another process 12->101 21 WerFault.exe 19 16 14->21         started        process6 dnsIp7 49 sjyey.com 189.232.10.46, 49712, 49713, 49714 UninetSAdeCVMX Mexico 16->49 51 186.13.17.220, 49762, 49763, 49764 TechtelLMDSComunicacionesInteractivasSAAR Argentina 16->51 53 4 other IPs or domains 16->53 39 C:\Users\user\AppData\Roaming\wfhfbwv, PE32 16->39 dropped 41 C:\Users\user\AppData\Local\Temp\C820.exe, PE32 16->41 dropped 43 C:\Users\user\AppData\Local\Temp\27B.exe, PE32 16->43 dropped 45 C:\Users\user\...\wfhfbwv:Zone.Identifier, ASCII 16->45 dropped 61 System process connects to network (likely due to code injection or exploit) 16->61 63 Benign windows process drops PE files 16->63 65 Deletes itself after installation 16->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->67 23 27B.exe 4 16->23         started        27 C820.exe 16->27         started        29 SmartClock.exe 16->29         started        file8 signatures9 process10 file11 47 C:\Users\user\AppData\...\SmartClock.exe, PE32 23->47 dropped 77 Antivirus detection for dropped file 23->77 79 Multi AV Scanner detection for dropped file 23->79 81 Detected unpacking (changes PE section rights) 23->81 83 Delayed program exit found 23->83 31 WerFault.exe 21 23->31         started        33 SmartClock.exe 23->33         started        85 Detected unpacking (overwrites its own PE header) 27->85 87 Machine Learning detection for dropped file 27->87 89 Contains functionality to infect the boot sector 27->89 35 WerFault.exe 21 27->35         started        37 WerFault.exe 29->37         started        signatures12 process13
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-02-01 08:29:05 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub3 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Deletes itself
Drops startup file
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
SmokeLoader
Malware Config
C2 Extraction:
http://sjyey.com/tmp/index.php
http://babonwo.ru/tmp/index.php
http://mth.com.ua/tmp/index.php
http://piratia.pw/tmp/index.php
http://go-piratia.ru/tmp/index.php
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

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 372e57bb7c5c1ced9be8a0feb67e796b2a1494f79ec93dfb4013e3094f677dfb

(this sample)

  
Delivery method
Distributed via web download

Comments