MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 32eb03f4c88f6b3fa596693567e3821badd4646a8fdb50dde6bb1361e9745926. 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: 32eb03f4c88f6b3fa596693567e3821badd4646a8fdb50dde6bb1361e9745926
SHA3-384 hash: ddc41311efc2fd4551f6447f6715b6a4549a9df851af2e53dc30d7ab00a5f370ec5705bcf919d01c2a28851f13655704
SHA1 hash: 54b9137b93d6fded5575f8bd99fb5db31e9a3c3e
MD5 hash: b2ecf2c22e1ddc060efd262a605d887c
humanhash: eleven-king-pennsylvania-sodium
File name:b2ecf2c22e1ddc060efd262a605d887c.exe
Download: download sample
Signature Smoke Loader
File size:303'104 bytes
First seen:2024-02-01 08:25:42 UTC
Last seen:2024-02-01 10:22:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 685a2798ec5758e8d584dbcc26c0bfd7 (5 x Smoke Loader, 2 x GCleaner)
ssdeep 6144:9Uk/Ke6F8Mo34MNsl3Ao610Y76gIthb+dw:9UEKe66MoIqUO10YWHbr
TLSH T108548D3072E4A032E2A315348974D7F71A3BF86325B1598E5E90EE3A3E342D1E664F17
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 :
281
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
32eb03f4c88f6b3fa596693567e3821badd4646a8fdb50dde6bb1361e9745926.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 08:33:01 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 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 domain / URL
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: 1384602 Sample: ed4B6mVqRT.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 58 sjyey.com 2->58 60 emgvod.com 2->60 62 3 other IPs or domains 2->62 74 Snort IDS alert for network traffic 2->74 76 Multi AV Scanner detection for domain / URL 2->76 78 Found malware configuration 2->78 80 17 other signatures 2->80 9 ed4B6mVqRT.exe 2->9         started        12 uijdhib 2->12         started        14 F7E4.exe 2->14         started        signatures3 process4 signatures5 100 Detected unpacking (changes PE section rights) 9->100 102 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->102 104 Maps a DLL or memory area into another process 9->104 112 2 other signatures 9->112 16 explorer.exe 68 12 9->16 injected 106 Multi AV Scanner detection for dropped file 12->106 108 Machine Learning detection for dropped file 12->108 110 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->110 21 WerFault.exe 21 16 14->21         started        process6 dnsIp7 52 189.232.10.46, 49768, 49769, 49770 UninetSAdeCVMX Mexico 16->52 54 91.92.244.44, 80 THEZONEBG Bulgaria 16->54 56 4 other IPs or domains 16->56 42 C:\Users\user\AppData\Roaming\uijdhib, PE32 16->42 dropped 44 C:\Users\user\AppData\Local\Temp\F7E4.exe, PE32 16->44 dropped 46 C:\Users\user\AppData\Local\Temp052.exe, PE32 16->46 dropped 48 2 other malicious files 16->48 dropped 66 System process connects to network (likely due to code injection or exploit) 16->66 68 Benign windows process drops PE files 16->68 70 Deletes itself after installation 16->70 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->72 23 E052.exe 16->23         started        27 41BF.exe 4 16->27         started        30 F7E4.exe 16->30         started        32 SmartClock.exe 16->32         started        file8 signatures9 process10 dnsIp11 64 birdvigorousedetertyw.shop 172.67.141.14, 443, 49747, 49748 CLOUDFLARENETUS United States 23->64 82 Antivirus detection for dropped file 23->82 84 Multi AV Scanner detection for dropped file 23->84 86 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 23->86 98 5 other signatures 23->98 50 C:\Users\user\AppData\...\SmartClock.exe, PE32 27->50 dropped 88 Detected unpacking (changes PE section rights) 27->88 90 Detected unpacking (overwrites its own PE header) 27->90 92 Machine Learning detection for dropped file 27->92 94 Delayed program exit found 27->94 34 WerFault.exe 21 27->34         started        36 SmartClock.exe 27->36         started        96 Contains functionality to infect the boot sector 30->96 38 WerFault.exe 21 30->38         started        40 WerFault.exe 32->40         started        file12 signatures13 process14
Threat name:
Win32.Trojan.SmokeLoader
Status:
Malicious
First seen:
2024-02-01 01:39:03 UTC
File Type:
PE (Exe)
Extracted files:
53
AV detection:
21 of 24 (87.50%)
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 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
Unpacked files
SH256 hash:
c397c95a266d8cd0e9d4ec771d7556e08f6e30b87562a2722eac3b80e99937f1
MD5 hash:
19520192dc420be42658e333466870e7
SHA1 hash:
7d299e6b632bf115ceea4edded34518d8f1d4404
Detections:
SmokeLoaderStage2 win_smokeloader_a2
SH256 hash:
32eb03f4c88f6b3fa596693567e3821badd4646a8fdb50dde6bb1361e9745926
MD5 hash:
b2ecf2c22e1ddc060efd262a605d887c
SHA1 hash:
54b9137b93d6fded5575f8bd99fb5db31e9a3c3e
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 32eb03f4c88f6b3fa596693567e3821badd4646a8fdb50dde6bb1361e9745926

(this sample)

  
Delivery method
Distributed via web download

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