MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cd9dfd76dbfc11d9c6dd279b346cca489591b551bba392ade52486ee95918430. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments

SHA256 hash: cd9dfd76dbfc11d9c6dd279b346cca489591b551bba392ade52486ee95918430
SHA3-384 hash: 62790a269df95c616f372a6a8d5077147403211655dc1f6187a60aed3e76a7483626e3166e560664a1d0c98a83bda67d
SHA1 hash: 1c6dec6db75e49fe3bc0be4fec093d2ebc7b12d2
MD5 hash: 3a658a682d7961b370dde9b8e65aba80
humanhash: don-louisiana-sink-bluebird
File name:3a658a682d7961b370dde9b8e65aba80.exe
Download: download sample
Signature Smoke Loader
File size:232'448 bytes
First seen:2024-02-01 08:24:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1ae0d4c15057ef94cb4cf8bb4395c67c (3 x GCleaner, 2 x Smoke Loader)
ssdeep 3072:JG1se/J24L9letmyKn4whMtuuONm9r9opAS9uUHbnx7XkAs9DeBrmu:JG1se/JFIq3Mt0NmILThXkA
TLSH T15B347C1862F9C021E3B75A7349B0D3A00E7B7B6F6B31558E0AE517FA5E347D18A2031B
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 :
1
# of downloads :
279
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
cd9dfd76dbfc11d9c6dd279b346cca489591b551bba392ade52486ee95918430.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 08:33:31 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:
100%
Tags:
fingerprint mikey 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:
LummaC, Clipboard Hijacker, LummaC Steal
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)
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found stalling execution ending in API Sleep call
Hides that the sample has been downloaded from the Internet (zone.identifier)
LummaC encrypted strings found
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 dropped file
Multi AV Scanner detection for submitted file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
Query firmware table information (likely to detect VMs)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Clipboard Hijacker
Yara detected LummaC Stealer
Yara detected SmokeLoader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384592 Sample: WDK87YadKo.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 56 gxutc2c.com 2->56 58 emgvod.com 2->58 60 3 other IPs or domains 2->60 70 Snort IDS alert for network traffic 2->70 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 16 other signatures 2->76 9 WDK87YadKo.exe 2->9         started        12 gasrjeh 2->12         started        14 3746.exe 2->14         started        16 gasrjeh 2->16         started        signatures3 process4 signatures5 86 Detected unpacking (changes PE section rights) 9->86 88 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->88 90 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->90 98 2 other signatures 9->98 18 explorer.exe 91 12 9->18 injected 92 Multi AV Scanner detection for dropped file 12->92 94 Machine Learning detection for dropped file 12->94 96 Maps a DLL or memory area into another process 12->96 23 WerFault.exe 22 16 14->23         started        process6 dnsIp7 62 91.92.244.44, 80 THEZONEBG Bulgaria 18->62 64 gxutc2c.com 190.12.87.61, 49717, 49718, 49719 OPTICALTECHNOLOGIESSACPE Peru 18->64 66 3 other IPs or domains 18->66 46 C:\Users\user\AppData\Roaming\gasrjeh, PE32 18->46 dropped 48 C:\Users\user\AppData\Local\Temp\9B9F.exe, PE32 18->48 dropped 50 C:\Users\user\AppData\Local\Temp\8884.exe, PE32 18->50 dropped 52 2 other malicious files 18->52 dropped 78 System process connects to network (likely due to code injection or exploit) 18->78 80 Benign windows process drops PE files 18->80 82 Found many strings related to Crypto-Wallets (likely being stolen) 18->82 84 2 other signatures 18->84 25 9B9F.exe 18->25         started        29 8884.exe 4 18->29         started        32 3746.exe 18->32         started        34 SmartClock.exe 18->34         started        file8 signatures9 process10 dnsIp11 68 birdvigorousedetertyw.shop 104.21.40.254, 443, 49754, 49755 CLOUDFLARENETUS United States 25->68 100 Antivirus detection for dropped file 25->100 102 Multi AV Scanner detection for dropped file 25->102 104 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 25->104 116 5 other signatures 25->116 36 WerFault.exe 25->36         started        54 C:\Users\user\AppData\...\SmartClock.exe, PE32 29->54 dropped 106 Detected unpacking (changes PE section rights) 29->106 108 Detected unpacking (overwrites its own PE header) 29->108 110 Machine Learning detection for dropped file 29->110 112 Delayed program exit found 29->112 38 WerFault.exe 21 29->38         started        40 SmartClock.exe 29->40         started        114 Contains functionality to infect the boot sector 32->114 42 WerFault.exe 21 32->42         started        44 WerFault.exe 34->44         started        file12 signatures13 process14
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-01-25 20:29:29 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
smokeloader
Score:
  10/10
Tags:
family:smokeloader botnet:pub1 backdoor trojan
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
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://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:
cd9dfd76dbfc11d9c6dd279b346cca489591b551bba392ade52486ee95918430
MD5 hash:
3a658a682d7961b370dde9b8e65aba80
SHA1 hash:
1c6dec6db75e49fe3bc0be4fec093d2ebc7b12d2
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 cd9dfd76dbfc11d9c6dd279b346cca489591b551bba392ade52486ee95918430

(this sample)

  
Delivery method
Distributed via web download

Comments