MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7027b1ec91d52aa39f5c78d9ee8fe0a2dd7375d0f6d2e3155e31e4f175838143. 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: 7027b1ec91d52aa39f5c78d9ee8fe0a2dd7375d0f6d2e3155e31e4f175838143
SHA3-384 hash: bfda4cb3ba6fbcb067dbd7640706cb289468c62c1a13c6aee1dff4dc4b18025f1d01f02287755327935a026bfeba8572
SHA1 hash: 9dbae0bb527fc8a6df2a11670de203ba8bcb57a0
MD5 hash: af5282a51cef3bfe67618820bc588881
humanhash: sink-failed-tango-foxtrot
File name:af5282a51cef3bfe67618820bc588881.exe
Download: download sample
Signature Smoke Loader
File size:270'848 bytes
First seen:2024-02-01 08:25:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 34e3d1bf3f3dfd9351432db878daf508 (1 x Smoke Loader)
ssdeep 3072:x2zUFk6qj4YKiKbkGg6LUjkbKYq7NZ5PFSc5sLnl+BYYQwbokOgy7XkAs9DeBrmu:xKU+yYK9LanRhScuLl+BR8kOdXkA
Threatray 9 similar samples on MalwareBazaar
TLSH T180447C1062E5D037F3B71A35897CD7F50E7B786276319A8E4BA1163A2F247A1861C33B
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 :
274
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
7027b1ec91d52aa39f5c78d9ee8fe0a2dd7375d0f6d2e3155e31e4f175838143.exe
Verdict:
Malicious activity
Analysis date:
2024-02-01 08:26:32 UTC
Tags:
loader smoke smokeloader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint 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)
Sample uses string decryption to hide its real strings
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: 1384586 Sample: yx06d6oCh3.exe Startdate: 01/02/2024 Architecture: WINDOWS Score: 100 54 gxutc2c.com 2->54 56 emgvod.com 2->56 58 3 other IPs or domains 2->58 68 Snort IDS alert for network traffic 2->68 70 Multi AV Scanner detection for domain / URL 2->70 72 Found malware configuration 2->72 74 17 other signatures 2->74 9 yx06d6oCh3.exe 2->9         started        12 hjethuf 2->12         started        14 8015.exe 2->14         started        16 hjethuf 2->16         started        signatures3 process4 signatures5 84 Detected unpacking (changes PE section rights) 9->84 86 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->86 88 Checks for kernel code integrity (NtQuerySystemInformation(CodeIntegrityInformation)) 9->88 96 2 other signatures 9->96 18 explorer.exe 66 12 9->18 injected 90 Multi AV Scanner detection for dropped file 12->90 92 Machine Learning detection for dropped file 12->92 94 Maps a DLL or memory area into another process 12->94 23 WerFault.exe 21 16 14->23         started        process6 dnsIp7 60 emgvod.com 189.232.10.46, 49738, 80 UninetSAdeCVMX Mexico 18->60 62 91.92.244.44, 80 THEZONEBG Bulgaria 18->62 64 4 other IPs or domains 18->64 44 C:\Users\user\AppData\Roaming\hjethuf, PE32 18->44 dropped 46 C:\Users\user\AppData\Local\Temp\CB54.exe, PE32 18->46 dropped 48 C:\Users\user\AppData\Local\Temp\C7BE.exe, PE32 18->48 dropped 50 2 other malicious files 18->50 dropped 76 System process connects to network (likely due to code injection or exploit) 18->76 78 Benign windows process drops PE files 18->78 80 Deletes itself after installation 18->80 82 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->82 25 CB54.exe 18->25         started        29 C7BE.exe 4 18->29         started        32 8015.exe 18->32         started        34 SmartClock.exe 18->34         started        file8 signatures9 process10 dnsIp11 66 birdvigorousedetertyw.shop 104.21.40.254, 443, 49752, 49753 CLOUDFLARENETUS United States 25->66 98 Antivirus detection for dropped file 25->98 100 Multi AV Scanner detection for dropped file 25->100 102 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 25->102 114 5 other signatures 25->114 52 C:\Users\user\AppData\...\SmartClock.exe, PE32 29->52 dropped 104 Detected unpacking (changes PE section rights) 29->104 106 Detected unpacking (overwrites its own PE header) 29->106 108 Machine Learning detection for dropped file 29->108 110 Delayed program exit found 29->110 36 WerFault.exe 21 29->36         started        38 SmartClock.exe 29->38         started        112 Contains functionality to infect the boot sector 32->112 40 WerFault.exe 3 21 32->40         started        42 WerFault.exe 34->42         started        file12 signatures13 process14
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-01-26 00:10:06 UTC
File Type:
PE (Exe)
Extracted files:
33
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 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
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 7027b1ec91d52aa39f5c78d9ee8fe0a2dd7375d0f6d2e3155e31e4f175838143

(this sample)

  
Delivery method
Distributed via web download

Comments